- WinterDec–Feb46°60°
- December46°59°
- January45°60°
- February47°62°
- SpringMar–May51°66°
- March49°64°
- April51°66°
- May53°68°
- SummerJun–Aug57°72°
- June56°72°
- July57°72°
- August58°73°
- AutumnSep–Nov54°71°
- September58°74°
- October55°73°
- November50°65°
Oakland, CA Weather by Month and Climate Averages
Oakland, CA gets 22.6 in of precipitation a year over about 61 rainy days. September is the warmest month (average high 74°F) and January the coldest (average low 45°F).
Oakland climate at a glance
Mediterranean climate
Oakland, CA has warm summers and mild winters. Daytime highs range from about 59°F in December to 74°F in September. December is usually the wettest month. The most comfortable time to visit is typically February to November, when daytime highs sit near 69°F.
How much rain does Oakland get?
Oakland gets 22.6 in of precipitation in an average year, spread over about 61 days with measurable rain. That is fewer rainy days than 74% of the US.
December is the wettest month, with 4.7 in. July is the driest, with 0.0 in. December has the most rainy days, about 11.
The longest dry spell in the last five years lasted 142 days, to September 25, 2023.
See where Oakland ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.
Oakland weather by month
Oakland weather in January
In January, Oakland averages a high of 60°F and a low of 45°F. It gets 4.3 in of precipitation over about 10 rainy days. The sun is out about 35% of daylight hours. The January record high is 79°F (2021) and the record low is 30°F (1975).
Oakland weather in February
In February, Oakland averages a high of 62°F and a low of 47°F. It gets 4.3 in of precipitation over about 10 rainy days. The sun is out about 54% of daylight hours. The February record high is 83°F (2026) and the record low is 29°F (1976). February is one of the most comfortable months to visit.
Oakland weather in March
In March, Oakland averages a high of 64°F and a low of 49°F. It gets 3.2 in of precipitation over about 10 rainy days. The sun is out about 47% of daylight hours. The March record high is 91°F (2026) and the record low is 34°F (1976). March is one of the most comfortable months to visit.
Oakland weather in April
In April, Oakland averages a high of 66°F and a low of 51°F. It gets 1.4 in of precipitation over about 5 rainy days. The sun is out about 58% of daylight hours. The April record high is 97°F (1981) and the record low is 37°F (1976). April is one of the most comfortable months to visit.
Oakland weather in May
In May, Oakland averages a high of 68°F and a low of 53°F. It gets 0.8 in of precipitation over about 4 rainy days. The sun is out about 61% of daylight hours. The May record high is 105°F (1976) and the record low is 43°F (1975). May is one of the most comfortable months to visit.
Oakland weather in June
In June, Oakland averages a high of 72°F and a low of 56°F. It gets 0.2 in of precipitation over about 1 rainy days. The sun is out about 62% of daylight hours. The June record high is 104°F (1973) and the record low is 48°F (1976). June is one of the most comfortable months to visit.
Oakland weather in July
In July, Oakland averages a high of 72°F and a low of 57°F. It gets 0.0 in of precipitation over about 0 rainy days. The sun is out about 60% of daylight hours. The July record high is 103°F (1972) and the record low is 51°F (1975). July is one of the most comfortable months to visit.
Oakland weather in August
In August, Oakland averages a high of 73°F and a low of 58°F. It gets 0.1 in of precipitation over about 0 rainy days. The sun is out about 61% of daylight hours. The August record high is 100°F (2020) and the record low is 50°F (1977). August is one of the most comfortable months to visit.
Oakland weather in September
In September, Oakland averages a high of 74°F and a low of 58°F. It gets 0.1 in of precipitation over about 1 rainy days. The sun is out about 63% of daylight hours. The September record high is 109°F (1971) and the record low is 48°F (1986). September is one of the most comfortable months to visit.
Oakland weather in October
In October, Oakland averages a high of 73°F and a low of 55°F. It gets 1.1 in of precipitation over about 3 rainy days. The sun is out about 63% of daylight hours. The October record high is 103°F (1980) and the record low is 43°F (2007). October is one of the most comfortable months to visit.
Oakland weather in November
In November, Oakland averages a high of 65°F and a low of 50°F. It gets 2.4 in of precipitation over about 6 rainy days. The sun is out about 54% of daylight hours. The November record high is 84°F (1997) and the record low is 36°F (2010). November is one of the most comfortable months to visit.
Oakland weather in December
In December, Oakland averages a high of 59°F and a low of 46°F. It gets 4.7 in of precipitation over about 11 rainy days. The sun is out about 34% of daylight hours. The December record high is 75°F (1979) and the record low is 26°F (1972).
Sunshine, humidity and wind in Oakland
September is the sunniest month in Oakland, with sunshine about 63% of daylight hours. December is the cloudiest, at 34%. Over the year the sun shines about 54% of daylight hours. Oakland is sunnier than 72% of the US.
Humidity peaks in December at 79% and is lowest in October at 61%.
Oakland has about 6 days a year above 90°F. Oakland is cooler than 88% of the US.
See where Oakland ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
Oakland weather records
The hottest temperature on record at the Oakland station is 109°F, on September 14, 1971. The coldest is 26°F, on December 9, 1972.
The wettest day on record brought 4.8 in of rain, on December 31, 2022.
30 all-time records have been set at the station since 1970.
The best time to visit Oakland
The most comfortable time to visit is typically February to November, when daytime highs sit near 69°F.
Winter (December–February) is mild, with average highs around 60°F and lows near 46°F.
Spring (March–May) is mild, with average highs around 66°F and lows near 51°F.
Summer (June–August) is warm, with average highs around 72°F and lows near 57°F. It can feel humid.
Autumn (September–November) is warm, with average highs around 71°F and lows near 54°F.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 4.3 in | 10 | 77% | 35% | 53° | 79° | 30° |
| February | 4.3 in | 10 | 67% | 54% | 53° | 83° | 29° |
| March | 3.2 in | 10 | 68% | 47% | 53° | 91° | 34° |
| April | 1.4 in | 5 | 66% | 58% | 53° | 97° | 37° |
| May | 0.75 in | 4 | 65% | 61% | 54° | 105° | 43° |
| June | 0.20 in | 1 | 66% | 62% | 56° | 104° | 48° |
| July | 0.00 in | 0 | 70% | 60% | 57° | 103° | 51° |
| August | 0.05 in | 0 | 70% | 61% | 59° | 100° | 50° |
| September | 0.10 in | 1 | 69% | 63% | 60° | 109° | 48° |
| October | 1.1 in | 3 | 61% | 63% | 58° | 103° | 43° |
| November | 2.4 in | 6 | 68% | 54% | 55° | 84° | 36° |
| December | 4.7 in | 11 | 79% | 34% | 53° | 75° | 26° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Oakland climate questions
How much rain does Oakland get?
Oakland gets 22.6 in of precipitation in an average year, over about 61 rainy days.
What is the wettest month in Oakland?
December is the wettest month in Oakland, with 4.7 in. July is the driest, with 0.0 in.
How many rainy days does Oakland have a year?
Oakland has about 61 days with measurable rain in an average year. December has the most, about 11.
What is the hottest month in Oakland?
September is the warmest month in Oakland, with an average high of 74°F.
What is the coldest month in Oakland?
January is the coldest month in Oakland, with an average low of 45°F.
What is the record high temperature in Oakland?
The record high at the Oakland station is 109°F, set on September 14, 1971. The record low is 26°F, on December 9, 1972.
What is the sunniest month in Oakland?
September is the sunniest month in Oakland, with sunshine about 63% of daylight hours. December is the cloudiest.
What is the best time to visit Oakland?
The most comfortable time to visit is typically February to November, when daytime highs sit near 69°F.
Source: NOAA GHCN-Daily station OAKLAND MUSEUM (1 km away).
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Normals from NOAA GHCN-Daily station OAKLAND MUSEUM.