Annual mean 17°C · wettest around December · prevailing wind SW
Warmest
32.8 °C
Coldest
10.5 °C
Wettest
30%
Windiest
4.7 m/s
Prevailing
SW
3.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Chico over the whole year is 17°C. July is the hottest month, with highs of about 34°C; December is the coldest, with lows of about 5°C. The rainy (wet) season in Chico runs from September to May, peaking in December with a 44% chance of rain on a given day. The dry season is June to August; July is the driest month, at 2%. Winds in Chico are highest in March, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Chico come in July, when the sky is typically 6% covered; January is the cloudiest month, at 46%.
Month by month Chico climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
11°C
6°C
8°C
44%
46%
2.9 m/s
5
0
60
February
13°C
6°C
9°C
42%
33%
3.2 m/s
18
0
65
March
15°C
7°C
11°C
43%
43%
3.6 m/s
26
1
71
April
20°C
10°C
16°C
38%
27%
3.1 m/s
61
10
75
May
26°C
14°C
21°C
36%
20%
3.4 m/s
69
30
56
June
31°C
19°C
27°C
21%
10%
3.2 m/s
49
58
24
July
34°C
21°C
31°C
2%
6%
2.9 m/s
24
70
6
August
33°C
19°C
30°C
9%
10%
2.4 m/s
28
73
6
September
28°C
16°C
26°C
26%
15%
2.4 m/s
57
57
29
October
24°C
12°C
20°C
32%
17%
2.4 m/s
70
25
63
November
16°C
7°C
12°C
41%
31%
2.4 m/s
32
0
80
December
11°C
5°C
8°C
44%
41%
2.4 m/s
6
0
61
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Chico weather by season
Year round, Chico has days of about 11°C at their warmest in January, its coolest month, and 34°C in July, its warmest; the coolest hours of the day run from 5°C to 21°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Chico weather in winterDecember to February
High 12°CLow 6°CRain 43%
Winter in Chico has typical daily highs of about 12°C and lows of about 6°C, with a 43% chance of rain on a given day.
Chico weather in springMarch to May
High 20°CLow 11°CRain 39%
Spring in Chico has typical daily highs of about 20°C and lows of about 11°C, with a 39% chance of rain on a given day.
Chico weather in summerJune to August
High 33°CLow 20°CRain 11%
Summer in Chico has typical daily highs of about 33°C and lows of about 20°C, with a 11% chance of rain on a given day.
Chico weather in autumnSeptember to November
High 22°CLow 12°CRain 33%
Autumn in Chico has typical daily highs of about 22°C and lows of about 12°C, with a 33% chance of rain on a given day.
When is the rainy season in Chico?
The rainy (wet) season in Chico runs from September to May, peaking in December with a 44% chance of rain on a given day. The dry season is June to August; July is the driest month, at 2%.
What time of year is Chico windiest?
Winds in Chico are highest in March, averaging 3.6 m/s (13 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Chico year round?
The average temperature in Chico over the whole year is 17°C. July is the hottest month, with highs of about 34°C; December is the coldest, with lows of about 5°C.