Chico Climate by Month
Chico, California, United States
Very hot summers and cool winters, with most rain from December to March.
Chico has very hot summers and cool winters, with most rain from December to March. July is the warmest month, with highs around 95°F (35°C); December is the coolest at 56°F (13°C), and nights dip to 37°F (3°C). Of the 24 in (610 mm) of rain in a typical year, 70% falls from December to March. July to September are almost completely dry.
- Warmest month
- 95°F(35°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, January
- Rain per year
- 24 in(610 mm)
- Wettest: January
- Humidity
- 54%
- Sunniest: July
Best and worst months in Chico
Best for weatherApril and October are the best time for weather in Chico: highs near 76°F (25°C) and about 1.4 in (36 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 56°F (13°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 April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Chico weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 56°F(13°C) | 37°F(3°C) | 4.6 in(117 mm) | 75% | 1.6 |
| FebFebruary | 62°F(17°C) | 40°F(5°C) | 4.4 in(112 mm) | 71% | 2.6 |
| MarMarch | 67°F(19°C) | 44°F(6°C) | 3.9 in(98 mm) | 61% | 4.1 |
| AprAprilBest | 73°F(23°C) | 46°F(8°C) | 1.6 in(41 mm) | 51% | 5.3 |
| MayMay | 81°F(27°C) | 53°F(12°C) | 1.1 in(29 mm) | 49% | 6.4 |
| JunJune | 90°F(32°C) | 60°F(15°C) | 0.6 in(15 mm) | 38% | 7.5 |
| JulJuly | 95°F(35°C) | 63°F(17°C) | 0.0 in(0 mm) | 38% | 7.7 |
| AugAugust | 94°F(34°C) | 60°F(16°C) | 0.1 in(2 mm) | 41% | 6.8 |
| SepSeptember | 90°F(32°C) | 56°F(13°C) | 0.2 in(5 mm) | 39% | 5.5 |
| OctOctoberBest | 79°F(26°C) | 49°F(9°C) | 1.2 in(31 mm) | 49% | 3.8 |
| NovNovember | 65°F(19°C) | 41°F(5°C) | 2.4 in(60 mm) | 66% | 2.3 |
| DecDecember | 56°F(13°C) | 37°F(3°C) | 3.9 in(100 mm) | 75% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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