ClimateAverages

Chico Climate

California, United States of America · population 90,316 · 410 weather stations within 200 km · records 1837 to 2025

Average annual daytime high
24.0°C
Warmest month · July
35.9°C
Typical daytime high
Coldest month · January
3.7°C
Typical overnight low

Chico has an average annual daytime high of 24.0°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 35.9°C, and its coldest is January, with overnight lows near 3.7°C.

Month by month averages

MonthAvg highAvg low
January12.3°C3.7°CColdest
February15.6°C5.5°C
March18.3°C6.8°C
April22.3°C8.9°C
May27.5°C12.8°C
June32.4°C16.4°C
July35.9°C18.1°CWarmest
August34.9°C17.2°C
September32.1°C15.0°C
October25.9°C10.9°C
November18.0°C6.9°C
December12.8°C3.9°C

Temperature range across the year

2°11°20°29°38°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2014
+2.0°C vs. 1951–1980
Coldest year on record
1837
-3.5°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Chico getting hotter?

Since 1900, Chico's average temperature has risen by +1.6°C. Compared to the earliest station records that begin in 1837, warming totals +2.0°C.

16.6°17.2°17.8°18.3°18.9°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
February to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Chico?

Chico's average annual daytime high is 24.0°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 35.9°C, and the coldest is January, with lows averaging 3.7°C.

What is the warmest month in Chico?

July is the warmest month in Chico, with typical daytime highs of 35.9°C.

What is the hottest year on record for Chico?

2014 is the hottest year on record for Chico, running +2.0°C above the 1951 to 1980 baseline.

Is Chico getting hotter?

Yes. Since 1900, Chico has warmed by roughly +1.6°C.

When is the best time to visit Chico?

February to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.