Annual mean 17°C · wettest around January · prevailing wind NW
Warmest
32.4 °C
Coldest
11.3 °C
Wettest
20%
Windiest
4.1 m/s
Prevailing
NW
3.2 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 Modesto over the whole year is 17°C. July is the hottest month, with highs of about 32°C; December is the coldest, with lows of about 5°C. The rainy (wet) season in Modesto runs from November to April, peaking in January with a 24% chance of rain on a given day. The dry season is May to October; July is the driest month, at 1%. Winds in Modesto are highest in June, averaging 3.6 m/s (13 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the NW. The clearest skies in Modesto come in July, when the sky is typically 3% covered; January is the cloudiest month, at 39%.
Month by month Modesto 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
12°C
6°C
10°C
24%
39%
2.2 m/s
11
0
75
February
15°C
6°C
11°C
21%
26%
2.5 m/s
28
0
77
March
16°C
8°C
13°C
23%
33%
2.6 m/s
42
2
83
April
21°C
10°C
18°C
15%
19%
3.0 m/s
70
11
79
May
25°C
13°C
21°C
12%
13%
3.5 m/s
79
29
61
June
30°C
17°C
27°C
4%
5%
3.6 m/s
57
60
27
July
32°C
18°C
30°C
1%
3%
3.3 m/s
32
77
7
August
31°C
18°C
29°C
4%
6%
3.0 m/s
36
79
9
September
29°C
15°C
26°C
7%
9%
2.6 m/s
60
60
27
October
24°C
11°C
21°C
10%
10%
2.1 m/s
79
28
63
November
17°C
7°C
14°C
15%
23%
1.7 m/s
49
1
88
December
12°C
5°C
10°C
22%
37%
1.9 m/s
11
0
74
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 Modesto weather by season
Year round, Modesto has days of about 12°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 5°C to 18°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around January 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.
Modesto weather in winterDecember to February
High 13°CLow 6°CRain 22%
Winter in Modesto has typical daily highs of about 13°C and lows of about 6°C, with a 22% chance of rain on a given day.
Modesto weather in springMarch to May
High 21°CLow 10°CRain 17%
Spring in Modesto has typical daily highs of about 21°C and lows of about 10°C, with a 17% chance of rain on a given day.
Modesto weather in summerJune to August
High 31°CLow 18°CRain 3%
Summer in Modesto has typical daily highs of about 31°C and lows of about 18°C, with a 3% chance of rain on a given day.
Modesto weather in autumnSeptember to November
High 23°CLow 11°CRain 11%
Autumn in Modesto has typical daily highs of about 23°C and lows of about 11°C, with a 11% chance of rain on a given day.
When is the rainy season in Modesto?
The rainy (wet) season in Modesto runs from November to April, peaking in January with a 24% chance of rain on a given day. The dry season is May to October; July is the driest month, at 1%.
What time of year is Modesto windiest?
Winds in Modesto are highest in June, averaging 3.6 m/s (13 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the NW.
What is the average temperature in Modesto year round?
The average temperature in Modesto over the whole year is 17°C. July is the hottest month, with highs of about 32°C; December is the coldest, with lows of about 5°C.