Chico, CA has a Mediterranean climate: hot, dry summers with July and August highs averaging 94 degrees F, and cool, wet winters with December and January lows averaging 35 degrees F. Chico averages about 27 inches of rain a year, almost all of it from November through March, and snow is negligible in town.
Chico weather by month
These are 1991 to 2020 climate normals.
| Month | Average high (F) | Average low (F) | Rain (inches) |
|---|---|---|---|
| January | 55 | 35 | 4.86 |
| February | 61 | 38 | 4.42 |
| March | 66 | 42 | 4.29 |
| April | 73 | 45 | 1.75 |
| May | 81 | 52 | 1.04 |
| June | 89 | 57 | 0.48 |
| July | 94 | 60 | 0.02 |
| August | 94 | 58 | 0.08 |
| September | 90 | 55 | 0.42 |
| October | 79 | 47 | 1.42 |
| November | 65 | 40 | 3.28 |
| December | 56 | 35 | 4.61 |
What are Chico summers like?
Hot and dry. July and August average 94 degrees, and summer days can top 100. Rain is nearly absent from June through September. Many of the swimming spots covered in the Bidwell Park guide are popular for that reason.
What are Chico winters like?
Cool and wet, with highs in the mid-50s and lows in the mid-30s. January is the wettest month. Snow is negligible in town, though the foothills and mountains east of Chico see more.
Is spring or fall the best time to visit?
April, May and October bring highs in the 70s and 80s with less rain than winter, which makes them comfortable months for touring homes and walking neighborhoods.
How does climate affect owning a home in Chico?
Hot summers mean cooling costs matter. When you tour a home, ask about the age of the HVAC system, window quality, attic insulation, tree shade and any solar. For a sense of utility costs, read the Chico utilities guide. Dry summers are also part of why wildfire risk and insurance are worth researching before you buy. See homeowners insurance in Chico and Bidwell Park fire zones.
Frequently Asked Questions
How hot does Chico, CA get in summer?
July and August average high temperatures are 94 degrees F, and daytime highs above 100 are common during heat waves.
How much does it rain in Chico, CA?
About 27 inches a year on average, with January the wettest month at roughly 4.9 inches. July is nearly dry.
Does it snow in Chico, CA?
Snow is negligible in the city itself.
What is the coldest month in Chico?
December and January, with average lows around 35 degrees F.
These are long-term averages, so any given year can run hotter, colder or wetter. Thinking about a move to Chico? Call or text me at 707-672-6549. Happy to help.
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