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Berkeley, CA Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Berkeley, CA?
Berkeley, CA gets 26.1 in of precipitation a year over about 65 rainy days. September is the warmest month (average high 76°F) and January the coldest (average low 44°F).
Mediterranean climate
Berkeley, CA has warm summers and mild winters. Daytime highs range from about 58°F in December to 76°F in September. December is usually the wettest month. The most comfortable time to visit is typically March to November, when daytime highs sit near 71°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 44° | 59° |
| Spring | Mar–May | 48° | 67° |
| Summer | Jun–Aug | 53° | 74° |
| Autumn | Sep–Nov | 51° | 71° |
How much rain does Berkeley get?
Berkeley gets 26.1 in of precipitation in an average year, spread over about 65 days with measurable rain. That is fewer rainy days than 71% of the US.
December is the wettest month, with 5.3 in. July is the driest, with 0.0 in. January has the most rainy days, about 11.
The longest dry spell in the last five years lasted 135 days, to March 31, 2022.
From September 2025 to August 2026 Berkeley got 20.9 in of rain, against a normal of 26.1 in for those months. February 2026 had the most, with 4.6 in.
See where Berkeley ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.
Berkeley weather by month
Berkeley weather in January
In January, Berkeley averages a high of 58°F and a low of 44°F. It gets 4.8 in of precipitation over about 11 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The January record high is 78°F (2021) and the record low is 29°F (2007).
Berkeley weather in February
In February, Berkeley averages a high of 61°F and a low of 45°F. It gets 5.1 in of precipitation over about 10 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The February record high is 81°F (2022) and the record low is 30°F (2011).
Berkeley weather in March
In March, Berkeley averages a high of 64°F and a low of 46°F. It gets 3.8 in of precipitation over about 10 rainy days. Estimated sunshine is 47% of daylight hours, derived from ERA5 cloud cover. The March record high is 87°F (2004) and the record low is 33°F (2002). March is one of the most comfortable months to visit.
Berkeley weather in April
In April, Berkeley averages a high of 67°F and a low of 47°F. It gets 1.8 in of precipitation over about 7 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The April record high is 95°F (2004) and the record low is 36°F (2012). April is one of the most comfortable months to visit.
Berkeley weather in May
In May, Berkeley averages a high of 70°F and a low of 50°F. It gets 0.8 in of precipitation over about 4 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The May record high is 101°F (2001) and the record low is 40°F (2010). May is one of the most comfortable months to visit.
Berkeley weather in June
In June, Berkeley averages a high of 74°F and a low of 52°F. It gets 0.3 in of precipitation over about 1 rainy days. Estimated sunshine is 62% of daylight hours, derived from ERA5 cloud cover. The June record high is 107°F (2000) and the record low is 45°F (2001). June is one of the most comfortable months to visit.
Berkeley weather in July
In July, Berkeley averages a high of 74°F and a low of 54°F. It gets 0.0 in of precipitation over about 0 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The July record high is 99°F (2006) and the record low is 47°F (2008). July is one of the most comfortable months to visit.
Berkeley weather in August
In August, Berkeley averages a high of 74°F and a low of 55°F. It gets 0.1 in of precipitation over about 1 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The August record high is 104°F (2010) and the record low is 47°F (2008). August is one of the most comfortable months to visit.
Berkeley weather in September
In September, Berkeley averages a high of 76°F and a low of 54°F. It gets 0.1 in of precipitation over about 1 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The September record high is 106°F (2022) and the record low is 44°F (2008). September is one of the most comfortable months to visit.
Berkeley weather in October
In October, Berkeley averages a high of 72°F and a low of 52°F. It gets 1.2 in of precipitation over about 3 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The October record high is 99°F (1980) and the record low is 41°F (1978). October is one of the most comfortable months to visit.
Berkeley weather in November
In November, Berkeley averages a high of 64°F and a low of 48°F. It gets 2.7 in of precipitation over about 7 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The November record high is 86°F (2012) and the record low is 34°F (2010). November is one of the most comfortable months to visit.
Berkeley weather in December
In December, Berkeley averages a high of 58°F and a low of 44°F. It gets 5.3 in of precipitation over about 11 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The December record high is 76°F (2011) and the record low is 24°F (1990).
Sunshine, humidity and wind in Berkeley
September is the sunniest month in Berkeley, with estimated sunshine of 63% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 34%. The annual cloud-cover estimate is 54% of daylight hours; it is not a measurement of sunshine duration. Berkeley is sunnier than 72% of the US.
Humidity peaks in December at 79% and is lowest in October at 61%.
Berkeley has about 5 days a year above 90°F. Berkeley is cooler than 90% of the US.
Thunderstorms occur on about 4 days a year.
See where Berkeley ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
Berkeley weather records
These records cover BERKELEY during 1970–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Berkeley station is 107°F, on June 15, 2000. The coldest is 24°F, on December 22, 1990.
The wettest day in the available station history brought 7.0 in of precipitation, on January 4, 1982.
30 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°F per decade since 1970.
The best time to visit Berkeley
The most comfortable time to visit is typically March to November, when daytime highs sit near 71°F.
Winter (December–February) is mild, with average highs around 59°F and lows near 44°F.
Spring (March–May) is mild, with average highs around 67°F and lows near 48°F.
Summer (June–August) is warm, with average highs around 74°F and lows near 53°F. It can feel humid.
Autumn (September–November) is warm, with average highs around 71°F and lows near 51°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 44° | 58° | 4.8 in | 11 | 77% | 35% | 78° | 29° |
| February | 45° | 61° | 5.1 in | 10 | 67% | 54% | 81° | 30° |
| March | 46° | 64° | 3.8 in | 10 | 68% | 47% | 87° | 33° |
| April | 47° | 67° | 1.8 in | 7 | 66% | 58% | 95° | 36° |
| May | 50° | 70° | 0.80 in | 4 | 65% | 61% | 101° | 40° |
| June | 52° | 74° | 0.26 in | 1 | 66% | 62% | 107° | 45° |
| July | 54° | 74° | 0.01 in | 0 | 70% | 60% | 99° | 47° |
| August | 55° | 74° | 0.05 in | 1 | 70% | 61% | 104° | 47° |
| September | 54° | 76° | 0.12 in | 1 | 69% | 63% | 106° | 44° |
| October | 52° | 72° | 1.2 in | 3 | 61% | 63% | 99° | 41° |
| November | 48° | 64° | 2.7 in | 7 | 68% | 54% | 86° | 34° |
| December | 44° | 58° | 5.3 in | 11 | 79% | 34% | 76° | 24° |
Station: BERKELEY, 1 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Berkeley climate questions
How much rain does Berkeley get?
Berkeley gets 26.1 in of precipitation in an average year, over about 65 rainy days.
What is the wettest month in Berkeley?
December is the wettest month in Berkeley, with 5.3 in. July is the driest, with 0.0 in.
How many rainy days does Berkeley have a year?
Berkeley has about 65 days with measurable rain in an average year. January has the most, about 11.
What is the hottest month in Berkeley?
September is the warmest month in Berkeley, with an average high of 76°F.
What is the coldest month in Berkeley?
January is the coldest month in Berkeley, with an average low of 44°F.
What is the record high temperature in Berkeley?
Within the available 1970–2025 station history, the record high at the Berkeley station is 107°F, set on June 15, 2000. The record low is 24°F, on December 22, 1990.
What is the sunniest month in Berkeley?
September is the sunniest month in Berkeley, with estimated sunshine of 63% of daylight hours from ERA5 cloud cover. December is the cloudiest.
What is the best time to visit Berkeley?
The most comfortable time to visit is typically March to November, when daytime highs sit near 71°F.