Berkeley Climate by Month
Berkeley, California, United States
Warm summers and mild winters, with most rain from December to March.
Warm summers and mild winters, with most rain from December to March: that's Berkeley's climate in short. September is the warmest month, with highs around 78°F (25°C); January is the coolest at 58°F (15°C), and nights dip to 44°F (7°C). It gets 25 in (639 mm) of rain a year, 72% of it from December to March. June to September are almost completely dry.
- Warmest month
- 78°F(25°C)
- Average high, September
- Coldest nights
- 44°F(7°C)
- Average low, January
- Rain per year
- 25 in(639 mm)
- Wettest: January
- Humidity
- 67%
- Sunniest: June
Best and worst months in Berkeley
Best for weatherThe most comfortable weather comes from June to August, with highs around 75°F (24°C) and almost no rain.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 58°F (15°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Berkeley weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 58°F(15°C) | 44°F(7°C) | 5.2 in(131 mm) | 78% | 1.9 |
| FebFebruary | 62°F(17°C) | 46°F(8°C) | 4.9 in(124 mm) | 71% | 2.6 |
| MarMarch | 65°F(18°C) | 47°F(8°C) | 3.5 in(88 mm) | 66% | 4.2 |
| AprApril | 68°F(20°C) | 48°F(9°C) | 1.7 in(43 mm) | 67% | 5.4 |
| MayMay | 71°F(22°C) | 51°F(11°C) | 0.8 in(21 mm) | 66% | 6.3 |
| JunJuneBest | 75°F(24°C) | 54°F(12°C) | 0.2 in(6 mm) | 63% | 7.3 |
| JulJulyBest | 75°F(24°C) | 55°F(13°C) | 0.1 in(2 mm) | 66% | 7.1 |
| AugAugustBest | 76°F(25°C) | 56°F(13°C) | 0.0 in(1 mm) | 65% | 6.4 |
| SepSeptember | 78°F(25°C) | 55°F(13°C) | 0.1 in(3 mm) | 63% | 5.4 |
| OctOctober | 75°F(24°C) | 53°F(12°C) | 1.3 in(32 mm) | 59% | 3.8 |
| NovNovember | 66°F(19°C) | 48°F(9°C) | 2.7 in(69 mm) | 70% | 2.5 |
| DecDecember | 59°F(15°C) | 44°F(7°C) | 4.7 in(119 mm) | 69% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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