Climate - Redding (California)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Redding
The climate of Redding can be defined as Mediterranean, given that winters are mild and rainy and summers are hot and sunny. However, there are some differences in comparison with the typical Mediterranean climate: in winter, fog can form at night and in the early morning, while the summer is very hot; the rainy period is shorter, so in autumn, in September and October, it still rains rarely.
The city is located in Northern California. We are in the northernmost part of Sacramento valley, which is the rainiest in winter, but also the hottest in summer.
In winter, fog can sometimes form, and at night it can be cold, with lows around freezing. Sometimes it can snow. On the coldest nights of the year, the temperature drops a few degrees below freezing. In January 2012 and December 2009, the temperature dropped to -9 °C (16 °F).
On the hottest days of the year, the temperature reaches 43/45 °C (109/113 °F). In 1988, it reached as high as 48 °C (118 °F).
The average temperature of the coldest month (December) is of 8.1 °C (46.6 °F), that of the warmest month (July) is of 28.6 °C (83.4 °F). Here are the average temperatures.
Redding - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 3.2 | 14 | 8.6 | 38 | 57 | 47.5 |
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| February | 4.5 | 16.1 | 10.3 | 40 | 61 | 50.5 |
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| March | 6.2 | 18.7 | 12.5 | 43 | 66 | 54.4 |
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| April | 8.3 | 22.1 | 15.2 | 47 | 72 | 59.4 |
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| May | 12.4 | 27.8 | 20.1 | 54 | 82 | 68.2 |
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| June | 16.9 | 33.3 | 25.1 | 62 | 92 | 77.2 |
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| July | 19.4 | 37.7 | 28.6 | 67 | 100 | 83.4 |
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| August | 17.7 | 36.7 | 27.2 | 64 | 98 | 81 |
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| September | 14.6 | 33.5 | 24 | 58 | 92 | 75.3 |
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| October | 10.1 | 26.3 | 18.2 | 50 | 79 | 64.8 |
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| November | 5.3 | 18 | 11.6 | 42 | 64 | 53 |
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| December | 2.9 | 13.3 | 8.1 | 37 | 56 | 46.6 |
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| Year | 10.2 | 24.9 | 17.45 | 50.3 | 76.7 | 63.5 |
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Precipitation amounts to 850 millimeters (33.5 inches) per year: so, it is at an intermediate level. It ranges from 0 mm (0 in) in the driest month (July) to 160 mm (6.3 in) in the wettest (December). Here is the average precipitation.
Redding - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 155 | 6.1 | 12 |
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| February | 140 | 5.5 | 11 |
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| March | 115 | 4.5 | 12 |
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| April | 60 | 2.4 | 8 |
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| May | 45 | 1.8 | 6 |
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| June | 20 | 0.8 | 3 |
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| July | 0 | 0 | 0 |
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| August | 5 | 0.2 | 1 |
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| September | 10 | 0.4 | 1 |
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| October | 50 | 2 | 5 |
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| November | 90 | 3.5 | 9 |
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| December | 160 | 6.3 | 13 |
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| Year | 850 | 33.5 | 81 |
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Best Time
The best times to visit Redding are spring and autumn, to avoid the night-time cold, the fog and the rain of winter, as well as the summer heat. In particular, you can choose the months of April and October, bearing in mind that it is necessary to dress in layers because there are strong temperature differences between night and day.
Back to California.
Redding - Weather by month
Based on the period 1991-2020
In January, the weather in Redding is usually mild. The average temperature is of 8.6 °C (47 °F), with a minimum of 3.2 °C (37.7 °F) and a maximum of 14 °C (57.2 °F).
On the coldest nights of the month, the temperature usually drops to around -2.5 °C (27 °F). However, it dropped to -8.9 °C (16 °F) in January 2012.
On the warmest days of the month, the temperature usually reaches around 21.5 °C (70.5 °F). However, it reached 26.7 °C (80.1 °F) in January 2014.
Precipitation amounts to 155 mm (6.1 in), distributed over 12 days.
The day lasts on average 9 hours and 40 minutes.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
In February, the weather in Redding is usually mild. The average temperature is of 10.3 °C (51 °F), with a minimum of 4.5 °C (40.1 °F) and a maximum of 16.1 °C (61 °F).
On the coldest nights of the month, the temperature usually drops to around -2 °C (29 °F). However, it dropped to -5 °C (23 °F) in February 2006.
On the warmest days of the month, the temperature usually reaches around 23.5 °C (74.5 °F). However, it reached 28.3 °C (82.9 °F) in February 1992.
Precipitation amounts to 140 mm (5.5 in), distributed over 11 days.
The day lasts on average 10 hours and 40 minutes.
The average humidity is 65%.
The average wind speed is 11 kph (7 mph).
In March, the weather in Redding is usually mild. The average temperature is of 12.5 °C (54 °F), with a minimum of 6.2 °C (43.2 °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 0 °C (32 °F). However, it dropped to -2.2 °C (28 °F) in March 2006.
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 31.1 °C (88 °F) in March 2002.
Precipitation amounts to 115 mm (4.5 in), distributed over 12 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 60%.
The average wind speed is 11 kph (7 mph).
In April, the weather in Redding is usually very mild. However, there are remarkable differences between night and day. The average temperature is of 15.2 °C (59 °F), with a minimum of 8.3 °C (47 °F) and a maximum of 22.1 °C (71.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1.5 °C (34.5 °F). However, it dropped to -2.2 °C (28 °F) in April 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31 °C (88 °F). However, it reached 35.6 °C (96.1 °F) in April 2009.
Precipitation amounts to 60 mm (2.4 in), distributed over 8 days.
The day lasts on average 13 hours and 25 minutes.
The average humidity is 53%.
The average wind speed is 10 kph (7 mph).
In May, the weather in Redding is usually warm. However, there are remarkable differences between night and day. The average temperature is of 20.1 °C (68 °F), with a minimum of 12.4 °C (54.3 °F) and a maximum of 27.8 °C (82 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 6 °C (42.5 °F). However, it dropped to 1.1 °C (34 °F) in May 2000.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 36 °C (97.5 °F). However, it reached 41.1 °C (106 °F) in May 2008.
Precipitation amounts to 45 mm (1.8 in), distributed over 6 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.
The average humidity is 46%.
The average wind speed is 11 kph (7 mph).
In June, the weather in Redding is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 25.1 °C (77 °F), with a minimum of 16.9 °C (62.4 °F) and a maximum of 33.3 °C (91.9 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 10.5 °C (50.5 °F). However, it dropped to 6.1 °C (43 °F) in June 1995.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 41.5 °C (106.5 °F). However, it reached 47.2 °C (117 °F) in June 2006.
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.
The average humidity is 37%.
The average wind speed is 11 kph (7 mph).
In July, the hottest month of the year, the weather in Redding is usually very hot. However, there are remarkable differences between night and day. The average temperature is of 28.6 °C (83 °F), with a minimum of 19.4 °C (67 °F) and a maximum of 37.7 °C (99.9 °F).
On the coldest nights of the month, the temperature usually drops to around 14.5 °C (58 °F). However, it dropped to 11.7 °C (53.1 °F) in July 2000.
On the warmest days of the month, the temperature usually reaches around 43.5 °C (110.5 °F). However, it reached 46.7 °C (116.1 °F) in July 2003.
Precipitation amounts to only 0 mm (0 in), so on average it never rains in the whole month.
The day lasts on average 14 hours and 40 minutes. So the days are long.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 9 kph (6 mph).
In August, the weather in Redding is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 27.2 °C (81 °F), with a minimum of 17.7 °C (63.9 °F) and a maximum of 36.7 °C (98.1 °F).
On the coldest nights of the month, the temperature usually drops to around 13.5 °C (56.5 °F). However, it dropped to 10 °C (50 °F) in August 2010.
On the warmest days of the month, the temperature usually reaches around 42.5 °C (108 °F). However, it reached 45 °C (113 °F) in August 1993.
Precipitation amounts to only 5 mm (0.2 in), and all occurs in one day.
The day lasts on average 13 hours and 40 minutes.
The average humidity is 33%. Hence, the air is normally dry.
The average wind speed is 9 kph (5 mph).
In September, the weather in Redding is usually warm to hot. However, there are remarkable differences between night and day. The average temperature is of 24.0 °C (75 °F), with a minimum of 14.6 °C (58.2 °F) and a maximum of 33.5 °C (92.3 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49 °F). However, it dropped to 4.4 °C (39.9 °F) in September 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 40.5 °C (105 °F). However, it reached 45.6 °C (114.1 °F) in September 2017.
Precipitation amounts to 10 mm (0.4 in), and all occurs in one day.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 35%.
The average wind speed is 9 kph (5 mph).
In October, the weather in Redding is usually warm. However, there are remarkable differences between night and day. The average temperature is of 18.2 °C (65 °F), with a minimum of 10.1 °C (50.2 °F) and a maximum of 26.3 °C (79.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4 °C (39.5 °F). However, it dropped to -1.1 °C (30 °F) in October 2019.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 41.1 °C (106 °F) in October 2020.
Precipitation amounts to 50 mm (2 in), distributed over 5 days.
The day lasts on average 11 hours and 5 minutes.
The average humidity is 46%.
The average wind speed is 9 kph (6 mph).
In November, the weather in Redding is usually mild. The average temperature is of 11.6 °C (53 °F), with a minimum of 5.3 °C (41.5 °F) and a maximum of 18 °C (64.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -1.5 °C (29.5 °F). However, it dropped to -5.6 °C (21.9 °F) in November 2015.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 27 °C (81 °F). However, it reached 31.7 °C (89.1 °F) in November 2019.
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The day lasts on average 9 hours and 55 minutes.
The average humidity is 65%.
The average wind speed is 8 kph (5 mph).
In December, the coldest month of the year, the weather in Redding is usually quite mild. The average temperature is of 8.1 °C (47 °F), with a minimum of 2.9 °C (37.2 °F) and a maximum of 13.3 °C (56 °F).
On the coldest nights of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, it dropped to -8.9 °C (16 °F) in December 2009.
On the warmest days of the month, the temperature usually reaches around 20.5 °C (69 °F). However, it reached 26 °C (78.8 °F) in December 1998.
Precipitation amounts to 160 mm (6.3 in), distributed over 13 days.
The day lasts on average 9 hours and 20 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
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