Climate - Castellon (Spain)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Castellon
The climate of Castellón de la Plana is Mediterranean, with mild, relatively rainy winters and hot, sunny summers.
The city is the capital of the province of the same name and is located a few kilometers from the Spanish east coast, in the Valencian Community.
The average temperature of the coldest month (January) is of 11 °C (52 °F), that of the warmest month (August) is of 26 °C (79 °F). Here are the average temperatures.
Castellon - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 6.4 | 15.6 | 11 | 44 | 60 | 51.8 |
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| February | 6.9 | 16.4 | 11.7 | 44 | 62 | 53 |
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| March | 8.9 | 18.7 | 13.8 | 48 | 66 | 56.8 |
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| April | 11 | 21 | 16 | 52 | 70 | 60.8 |
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| May | 14.4 | 24 | 19.2 | 58 | 75 | 66.6 |
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| June | 18.3 | 27.9 | 23.1 | 65 | 82 | 73.6 |
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| July | 21.2 | 30.4 | 25.8 | 70 | 87 | 78.4 |
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| August | 21.6 | 30.7 | 26.2 | 71 | 87 | 79.1 |
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| September | 18.6 | 27.8 | 23.2 | 66 | 82 | 73.8 |
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| October | 15 | 23.9 | 19.4 | 59 | 75 | 67 |
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| November | 10.2 | 19.1 | 14.6 | 50 | 66 | 58.3 |
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| December | 7.5 | 16.1 | 11.8 | 45 | 61 | 53.2 |
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| Year | 13.4 | 22.7 | 18 | 56.1 | 72.8 | 64.5 |
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Precipitation amounts to 470 millimeters (18.5 inches) per year: it is therefore quite scarce. In particular, the winter is quite dry. In autumn, however, sometimes there can be abundant rains concentrated in a short time. Precipitation ranges from 10 mm (0.4 in) in the driest month (July) to 70 mm (2.8 in) in the wettest ones (September, October). Here is the average precipitation.
Castellon - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 35 | 1.4 | 4 |
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| February | 30 | 1.2 | 4 |
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| March | 30 | 1.2 | 3 |
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| April | 40 | 1.6 | 5 |
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| May | 45 | 1.8 | 5 |
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| June | 20 | 0.8 | 3 |
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| July | 10 | 0.4 | 1 |
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| August | 25 | 1 | 2 |
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| September | 70 | 2.8 | 5 |
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| October | 70 | 2.8 | 5 |
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| November | 50 | 2 | 4 |
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| December | 40 | 1.6 | 4 |
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| Year | 470 | 18.5 | 46 |
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The winter, from December to February, is mild. There are sunny periods alternating with rainy periods (which, however, are quite rare).
Sometimes, there may also be cold periods brought by air masses from Eastern Europe, though the effects are not very evident. Not by chance, snow is extremely rare (the last snowfall with accumulation occurred in February 1954). In the inland areas of the province, however, snowfalls are more frequent.
On the coldest nights of the year, the temperature typically drops to 0/2 °C (32/36 °F). The coldest record is -7.5 °C (18.5 °F) and dates back to February 1956, but otherwise, the temperature only dropped to -4.5 °C (24 °F) in the cold month of January 1985, and from 2000 to 2020, it dropped to -2 °C (28.5 °F) January 2005.
Summer, from June to August, is hot and sunny, with rare thunderstorms. During the day, the sea breeze makes the heat more bearable, but nights are muggy.
There may be some particularly hot periods, usually of short duration. On the hottest days of the year, the temperature typically reaches 36/37 °C (97/99 °F). The heat record is 40.5 °C (105 °F) and was recorded in July 2009.
On average, there are around 2,755 sunshine hours per year. As you can see, winter is also quite sunny. Here are the average sunshine hours per day.
Castellon - Sunshine hours| Month | Average | Total |
|---|
January | 6 | 180 | February | 6.5 | 180 | March | 6.5 | 210 | April | 8 | 235 | May | 9 | 270 | June | 10 | 295 | July | 10.5 | 330 | August | 9.5 | 290 | September | 7.5 | 230 | October | 6.5 | 205 | November | 6 | 175 | December | 5.5 | 165 | Year | 7.6 | 2760 |
The sea temperature ranges between 13 °C (55 °F) and 26 °C (79 °F). The sea is warm enough for swimming from July to September. Here are the average sea temperatures.
Castellon - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
|---|
January | 14 | 57 | February | 13 | 55 | March | 14 | 57 | April | 15 | 59 | May | 17 | 63 | June | 21 | 70 | July | 24 | 75 | August | 26 | 79 | September | 24 | 75 | October | 21 | 70 | November | 18 | 64 | December | 15 | 59 | Year | 18.5 | 65.4 |
Best Time
The best time for a beach holiday on the coast near Castellón de la Plana (for example in Benicàssim) is the summer, from June to August. The water temperature is comfortable enough from July to September; however, in September, which is still a good month (especially in the first half), the first Atlantic depressions begin to affect this area. May and June are sunny months, but the sea is still a bit cool, especially in May, when it is actually a bit cold.
Although good weather is not always guaranteed, spring and autumn are ideal for visiting the city, since it can be very hot in summer.
Castellon - Weather by month
Based on the period 1991-2020
In January, the coldest month of the year, the weather in Castellon is usually mild. The average temperature is of 11.0 °C (52 °F), with a minimum of 6.4 °C (43.6 °F) and a maximum of 15.6 °C (60.1 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -2 °C (28.4 °F) in January 2005.
On the warmest days of the month, the temperature usually reaches around 21.5 °C (71 °F). However, it reached 26.4 °C (79.5 °F) in January 2004.
Precipitation amounts to 35 mm (1.4 in), distributed over 4 days.
The day lasts on average 9 hours and 40 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 64%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 14 °C (57 °F). Therefore, the sea is very cold for swimming.
In February, the weather in Castellon is usually mild. The average temperature is of 11.7 °C (53 °F), with a minimum of 6.9 °C (44.4 °F) and a maximum of 16.4 °C (61.6 °F).
On the coldest nights of the month, the temperature usually drops to around 2.5 °C (37 °F). However, it dropped to -0.8 °C (30.6 °F) in February 1999.
On the warmest days of the month, the temperature usually reaches around 22.5 °C (72.5 °F). However, it reached 28.8 °C (83.8 °F) in February 1995.
Precipitation amounts to 30 mm (1.2 in), distributed over 4 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 59%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 13 °C (55.5 °F). Therefore, the sea is very cold for swimming.
In March, the weather in Castellon is usually mild. The average temperature is of 13.8 °C (57 °F), with a minimum of 8.9 °C (48 °F) and a maximum of 18.7 °C (65.7 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 0.8 °C (33.4 °F) in March 1993.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25 °C (77.5 °F). However, it reached 29.8 °C (85.6 °F) in March 2001.
Precipitation amounts to 30 mm (1.2 in), distributed over 3 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 59%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 14 °C (57 °F). Therefore, the sea is very cold for swimming.
In April, the weather in Castellon is usually very mild. The average temperature is of 16.0 °C (61 °F), with a minimum of 11 °C (51.8 °F) and a maximum of 21 °C (69.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7 °C (44.5 °F). However, it dropped to 4 °C (39.2 °F) in April 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 30.6 °C (87.1 °F) in April 1997.
Precipitation amounts to 40 mm (1.6 in), distributed over 5 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 59%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.
In May, the weather in Castellon is usually warm. The average temperature is of 19.2 °C (67 °F), with a minimum of 14.4 °C (57.8 °F) and a maximum of 24 °C (75.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 10 °C (50 °F). However, it dropped to 5.2 °C (41.4 °F) in May 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, it reached 35 °C (95 °F) in May 2010.
Precipitation amounts to 45 mm (1.8 in), distributed over 5 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 61%.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 17 °C (62.5 °F). Therefore, the sea is cold for swimming.
In June, the weather in Castellon is usually warm to hot. The average temperature is of 23.1 °C (74 °F), with a minimum of 18.3 °C (65 °F) and a maximum of 27.9 °C (82.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14 °C (57.5 °F). However, it dropped to 10.6 °C (51.1 °F) in June 1992.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33.5 °C (92 °F). However, it reached 38.8 °C (101.8 °F) in June 2019.
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
The day lasts on average 15 hours and 0 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 10 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 62%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 21 °C (70 °F). Therefore, the sea is cool for swimming.
In July, the weather in Castellon is usually warm to hot. The average temperature is of 25.8 °C (78 °F), with a minimum of 21.2 °C (70.2 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64 °F). However, it dropped to 15 °C (59 °F) in July 1995.
On the warmest days of the month, the temperature usually reaches around 34 °C (93 °F). However, it reached 40.6 °C (105.1 °F) in July 2009.
Precipitation amounts to 10 mm (0.4 in), and all occurs in one day.
The day lasts on average 14 hours and 40 minutes. So the days are long.
There are on average 10.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 63%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 24 °C (75 °F). Therefore, the sea is warm enough for swimming.
In August, the hottest month of the year, the weather in Castellon is usually warm to hot. The average temperature is of 26.2 °C (79 °F), with a minimum of 21.6 °C (70.9 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64 °F). However, it dropped to 14.6 °C (58.3 °F) in August 1998.
On the warmest days of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 39.4 °C (102.9 °F) in August 2008.
Precipitation amounts to 25 mm (1 in), distributed over 2 days.
The day lasts on average 13 hours and 40 minutes.
There are on average 9.5 hours of sunshine per day. So, the sun shines 68% of the time.
The average humidity is 66%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 26 °C (79 °F). Therefore, the sea is warm enough for swimming.
In September, the weather in Castellon is usually warm to hot. The average temperature is of 23.2 °C (74 °F), with a minimum of 18.6 °C (65.5 °F) and a maximum of 27.8 °C (82 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 14 °C (57.5 °F). However, it dropped to 10.6 °C (51.1 °F) in September 1994.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 35.1 °C (95.2 °F) in September 2016.
Precipitation amounts to 70 mm (2.8 in), distributed over 5 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 67%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 24 °C (75 °F). Therefore, the sea is warm enough for swimming.
In October, the weather in Castellon is usually warm. The average temperature is of 19.4 °C (67 °F), with a minimum of 15 °C (59 °F) and a maximum of 23.9 °C (75 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 10 °C (50 °F). However, it dropped to 5.4 °C (41.7 °F) in October 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29 °C (84 °F). However, it reached 33.4 °C (92.1 °F) in October 2014.
Precipitation amounts to 70 mm (2.8 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 67%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 21 °C (70 °F). Therefore, the sea is cool for swimming.
In November, the weather in Castellon is usually very mild. The average temperature is of 14.6 °C (58 °F), with a minimum of 10.2 °C (50.3 °F) and a maximum of 19.1 °C (66.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 5 °C (41 °F). However, it dropped to 1.2 °C (34.2 °F) in November 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 29 °C (84.2 °F) in November 1995.
Precipitation amounts to 50 mm (2 in), distributed over 4 days.
The day lasts on average 9 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 63%.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 18 °C (64.5 °F). Therefore, the sea is cold for swimming.
In December, the weather in Castellon is usually mild. The average temperature is of 11.8 °C (53 °F), with a minimum of 7.5 °C (45.4 °F) and a maximum of 16.1 °C (60.9 °F).
On the coldest nights of the month, the temperature usually drops to around 3 °C (37.5 °F). However, it dropped to 0.4 °C (32.7 °F) in December 2010.
On the warmest days of the month, the temperature usually reaches around 22 °C (71.5 °F). However, it reached 25.3 °C (77.5 °F) in December 2019.
Precipitation amounts to 40 mm (1.6 in), distributed over 4 days.
The day lasts on average 9 hours and 25 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 5.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 63%.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 15 °C (59 °F). Therefore, the sea is cold for swimming.
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