Climate - Monfalcone (Friuli Venezia Giulia)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Monfalcone (Friuli Venezia Giulia)
The climate of Monfalcone is moderately continental, with quite cold, damp winters and hot, muggy summers.
The city is located in northeastern Italy, on the coast, in the northern part of the Gulf of Trieste. To the north are the Karst hills. A short distance to the west is the estuary of the Isonzo (Soča) River, while to the east, near the border with Slovenia, the Timavo (Reka) River reappears after an underground journey of 39 km (24 mi).
Winter in Monfalcone is colder than in Trieste, due to the influence of the Venetian plain. At night, the temperature quite often drops below freezing, especially in the northern area of the city, where the municipality of Ronchi dei Legionari is located.
The bora, the cold wind from the plains of Eastern Europe, can also blow here.
Snow in Monfalcone is rare, because with the bora, the weather is generally dry, while with the sirocco, the wind comes directly from the sea, the temperature exceeds freezing and therefore it rains. Sometimes, however, it can snow. On average, around 5 cm (2 in) fall per year. Generally, the snow does not exceed 5/10 cm (2/4 in) even in the heaviest snowfalls, although 30 cm (12 in) of snow fell in January 1985.
Every now and then, cold air masses from Eastern Europe can bring quite intense frosts, though the temperature rarely drops below -10 °C (14 °F). At Ronchi dei Legionari airport, the temperature dropped to -15.5 °C (4 °F) in December 2009.
Summer, from June to August, is hot and muggy, but tempered by sea breezes.
Sometimes, an Atlantic front, able to bring cool and rainy weather, can affect this area even in summer; more often, on sunny days, thunderstorms can erupt in the afternoon or evening.
During heat waves, which are becoming increasingly more frequent, the temperature can reach or exceed 35 °C (95 °F). In July 2015 it reached 39 °C (102 °F).
Best Time
The best period to visit Monfalcone is that of spring and early summer, and in particular, from mid-April to mid-June. September, too, is a good month. However, you have to take into account some rainy days in both periods.
Summer can be hot, although some days can be acceptable, especially in June. In summer, and sometimes in May, sudden thunderstorms in the afternoon or evening must be put into account.
To go to the beach, the best months are July and August. In June, the sea is still a little cool.
Monfalcone - Climate data
The average temperature of the coldest month (January) is of 4.3 °C (39.8 °F), that of the warmest month (August) is of 23.5 °C (74.3 °F). Here are the average temperatures.Monfalcone - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | -0.3 | 8.9 | 4.3 | 31 | 48 | 39.8 |
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| February | -0.1 | 10.5 | 5.2 | 32 | 51 | 41.3 |
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| March | 3.1 | 14.5 | 8.8 | 38 | 58 | 47.8 |
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| April | 7.1 | 18.5 | 12.8 | 45 | 65 | 55.1 |
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| May | 11.6 | 23.1 | 17.4 | 53 | 74 | 63.2 |
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| June | 15.3 | 27.2 | 21.2 | 60 | 81 | 70.2 |
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| July | 17.4 | 29.6 | 23.5 | 63 | 85 | 74.3 |
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| August | 17.3 | 29.7 | 23.5 | 63 | 85 | 74.3 |
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| September | 13.2 | 24.6 | 18.9 | 56 | 76 | 66 |
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| October | 9 | 19.4 | 14.2 | 48 | 67 | 57.5 |
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| November | 4.9 | 14.1 | 9.5 | 41 | 57 | 49 |
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| December | 0.6 | 9.8 | 5.2 | 33 | 50 | 41.3 |
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| Year | 8.3 | 19.2 | 13.7 | 46.9 | 66.6 | 56.5 |
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Precipitation amounts to 1105 millimeters (43.5 inches) per year: it is therefore quite abundant. It ranges from 60 mm (2.4 in) in the driest month (February) to 120 mm (4.7 in) in the wettest ones (September, October) Here is the average precipitation.Monfalcone - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 65 | 2.6 | 7 |
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| February | 60 | 2.4 | 6 |
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| March | 80 | 3.1 | 7 |
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| April | 100 | 3.9 | 9 |
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| May | 90 | 3.5 | 10 |
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| June | 100 | 3.9 | 9 |
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| July | 75 | 3 | 8 |
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| August | 95 | 3.7 | 7 |
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| September | 120 | 4.7 | 8 |
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| October | 120 | 4.7 | 9 |
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| November | 100 | 3.9 | 8 |
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| December | 90 | 3.5 | 8 |
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| Year | 1105 | 43.5 | 96 |
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The sea temperature ranges from 10.5 °C (51 °F) in February to 25.5 °C (78 °F) in August. Here are the average sea temperatures.Monfalcone - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 11.5 | 53 | February | 10.5 | 51 | March | 11 | 52 | April | 13.5 | 57 | May | 18 | 65 | June | 22.5 | 72 | July | 25 | 77 | August | 25.5 | 78 | September | 23 | 73 | October | 19.5 | 67 | November | 16.5 | 62 | December | 14 | 57 | Year | 17.6 | 63.7 |
Monfalcone - Weather by month
Based on the period 1991-2020
January, the coldest month of the year, is generally a quite cold month. The average temperature is of 4.3 °C (40 °F), with a minimum of -0.3 °C (31.5 °F) and a maximum of 8.9 °C (48.1 °F).
On the coldest nights of the month, the temperature usually drops to around -7 °C (20 °F). However, it dropped to -12.4 °C (9.7 °F) in January 2006.
On the warmest days of the month, the temperature usually reaches around 14.5 °C (58 °F). However, it reached 17 °C (62.6 °F) in January 1992.
Precipitation amounts to 65 mm (2.6 in), distributed over 7 days.
The day lasts on average 9 hours and 5 minutes.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
The average sea temperature is of 11.5 °C (53 °F). Therefore, the sea is very cold for swimming.
February is generally a quite cold month. The average temperature is of 5.2 °C (41 °F), with a minimum of -0.1 °C (31.8 °F) and a maximum of 10.5 °C (50.8 °F).
On the coldest nights of the month, the temperature usually drops to around -6 °C (21 °F). However, it dropped to -12.1 °C (10.2 °F) in February 2012.
On the warmest days of the month, the temperature usually reaches around 16.5 °C (61.5 °F). However, it reached 21.5 °C (70.7 °F) in February 1998.
Precipitation amounts to 60 mm (2.4 in), distributed over 6 days.
The day lasts on average 10 hours and 25 minutes.
The average humidity is 66%.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 10.5 °C (50.5 °F). Therefore, the sea is very cold for swimming.
March is generally a mild month. The average temperature is of 8.8 °C (48 °F), with a minimum of 3.1 °C (37.7 °F) and a maximum of 14.5 °C (58 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -3 °C (26.5 °F). However, it dropped to -12 °C (10.4 °F) in March 2005.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 21 °C (69.5 °F). However, it reached 27.2 °C (81 °F) in March 1998.
Precipitation amounts to 80 mm (3.1 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 64%.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 11 °C (52 °F). Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of 12.8 °C (55 °F), with a minimum of 7.1 °C (44.8 °F) and a maximum of 18.5 °C (65.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 0.5 °C (33 °F). However, it dropped to -5.7 °C (21.7 °F) in April 2003.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 25.5 °C (77.5 °F). However, it reached 30.1 °C (86.2 °F) in April 2012.
Precipitation amounts to 100 mm (3.9 in), distributed over 9 days.
The day lasts on average 13 hours and 35 minutes.
The average humidity is 66%.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 13.5 °C (56.5 °F). Therefore, the sea is very cold for swimming.
May is generally a very mild month. The average temperature is of 17.4 °C (63 °F), with a minimum of 11.6 °C (52.8 °F) and a maximum of 23.1 °C (73.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6.5 °C (43.5 °F). However, it dropped to 2.5 °C (36.5 °F) in May 2012.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 29 °C (84.5 °F). However, it reached 33.3 °C (91.9 °F) in May 1997.
Precipitation amounts to 90 mm (3.5 in), distributed over 10 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
The average humidity is 67%.
The average wind speed is 7 kph (5 mph).
The average sea temperature is of 18 °C (64.5 °F). Therefore, the sea is cold for swimming.
June is generally a warm month. The average temperature is of 21.2 °C (70 °F), with a minimum of 15.3 °C (59.6 °F) and a maximum of 27.2 °C (80.9 °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 3.8 °C (38.8 °F) in June 2005.
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 36.4 °C (97.5 °F) in June 2003.
Precipitation amounts to 100 mm (3.9 in), distributed over 9 days.
The day lasts on average 15 hours and 40 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
The average humidity is 66%.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 22.5 °C (72.5 °F). Therefore, the sea can be considered barely acceptable for swimming.
July is generally a warm to hot month. The average temperature is of 23.5 °C (74 °F), with a minimum of 17.4 °C (63.2 °F) and a maximum of 29.6 °C (85.3 °F).
On the coldest nights of the month, the temperature usually drops to around 12.5 °C (54.5 °F). However, it dropped to 7.2 °C (45 °F) in July 2007.
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 39.2 °C (102.6 °F) in July 2015.
Precipitation amounts to 75 mm (3 in), distributed over 8 days.
The day lasts on average 15 hours and 20 minutes. So the days are long.
The average humidity is 64%.
The average wind speed is 7 kph (5 mph).
The average sea temperature is of 25 °C (77 °F). Therefore, the sea is warm enough for swimming.
August, the warmest month of the year, is generally a warm to hot month. The average temperature is of 23.5 °C (74 °F), with a minimum of 17.3 °C (63.1 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (53 °F). However, it dropped to 6.7 °C (44.1 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94.5 °F). However, it reached 39.3 °C (102.7 °F) in August 1999.
Precipitation amounts to 95 mm (3.7 in), distributed over 7 days.
The day lasts on average 14 hours and 0 minutes.
The average humidity is 66%.
The average wind speed is 7 kph (5 mph).
The average sea temperature is of 25.5 °C (78 °F). Therefore, the sea is warm enough for swimming.
September is generally a warm month. The average temperature is of 18.9 °C (66 °F), with a minimum of 13.2 °C (55.7 °F) and a maximum of 24.6 °C (76.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 7.5 °C (45.5 °F). However, it dropped to 4.8 °C (40.6 °F) in September 2002.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, it reached 33.4 °C (92.1 °F) in September 2011.
Precipitation amounts to 120 mm (4.7 in), distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 70%.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 23 °C (73.5 °F). Therefore, the sea can be considered barely acceptable for swimming.
October is generally a mild month. The average temperature is of 14.2 °C (58 °F), with a minimum of 9 °C (48.1 °F) and a maximum of 19.4 °C (66.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -6 °C (21.2 °F) in October 1997.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 24.5 °C (76 °F). However, it reached 30 °C (86 °F) in October 2011.
Precipitation amounts to 120 mm (4.7 in), distributed over 9 days.
The day lasts on average 10 hours and 55 minutes.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 19.5 °C (67.5 °F). Therefore, the sea is very cool for swimming.
November is generally a mild month. The average temperature is of 9.5 °C (49 °F), with a minimum of 4.9 °C (40.7 °F) and a maximum of 14.1 °C (57.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -2.5 °C (27 °F). However, it dropped to -6.6 °C (20.1 °F) in November 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 20 °C (68 °F). However, it reached 25.5 °C (77.9 °F) in November 2004.
Precipitation amounts to 100 mm (3.9 in), distributed over 8 days.
The day lasts on average 9 hours and 25 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
The average sea temperature is of 16.5 °C (61.5 °F). Therefore, the sea is cold for swimming.
December is generally a quite cold month. The average temperature is of 5.2 °C (41 °F), with a minimum of 0.6 °C (33 °F) and a maximum of 9.8 °C (49.6 °F).
On the coldest nights of the month, the temperature usually drops to around -6.5 °C (20.5 °F). However, it dropped to -15.5 °C (4.1 °F) in December 2009.
On the warmest days of the month, the temperature usually reaches around 15 °C (59 °F). However, it reached 19.5 °C (67.1 °F) in December 2016.
Precipitation amounts to 90 mm (3.5 in), distributed over 8 days.
The day lasts on average 8 hours and 40 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
The average sea temperature is of 14 °C (57 °F). Therefore, the sea is very cold for swimming.
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