Annual mean 15°C · wettest around January · prevailing wind W
Warmest
25.0 °C
Coldest
11.5 °C
Wettest
52%
Windiest
4.8 m/s
Prevailing
W
3.8 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 American Canyon over the whole year is 15°C. August is the hottest month, with highs of about 24°C; December is the coldest, with lows of about 8°C. The rainy (wet) season in American Canyon runs from October to May, peaking in January with a 51% chance of rain on a given day. The dry season is June to September; July is the driest month, at 17%. Winds in American Canyon are highest in June, averaging 4.2 m/s (15 km/h), and lightest in November, at 2.2 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in American Canyon come in June, when the sky is typically 13% covered; January is the cloudiest month, at 45%.
Month by month American Canyon 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
8°C
10°C
51%
45%
2.5 m/s
11
0
77
February
14°C
8°C
11°C
50%
30%
2.8 m/s
21
0
76
March
15°C
9°C
12°C
51%
39%
3.1 m/s
28
1
81
April
18°C
10°C
16°C
45%
26%
3.4 m/s
54
6
81
May
20°C
13°C
18°C
44%
23%
4.0 m/s
64
16
72
June
23°C
15°C
21°C
26%
13%
4.2 m/s
64
31
55
July
24°C
15°C
23°C
17%
15%
4.2 m/s
64
40
45
August
24°C
15°C
24°C
19%
18%
3.8 m/s
67
43
43
September
24°C
15°C
23°C
30%
19%
3.2 m/s
71
35
51
October
22°C
13°C
20°C
41%
20%
2.6 m/s
75
19
69
November
16°C
9°C
14°C
47%
29%
2.2 m/s
38
1
86
December
12°C
8°C
10°C
51%
42%
2.4 m/s
10
0
76
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 American Canyon weather by season
Year round, American Canyon has days of about 12°C at their warmest in January, its coolest month, and 24°C in August, its warmest; the coolest hours of the day run from 8°C to 15°C through the year, and the average temperature over the year is 15°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.
American Canyon weather in winterDecember to February
High 13°CLow 8°CRain 50%
Winter in American Canyon has typical daily highs of about 13°C and lows of about 8°C, with a 50% chance of rain on a given day.
American Canyon weather in springMarch to May
High 18°CLow 11°CRain 47%
Spring in American Canyon has typical daily highs of about 18°C and lows of about 11°C, with a 47% chance of rain on a given day.
American Canyon weather in summerJune to August
High 24°CLow 15°CRain 21%
Summer in American Canyon has typical daily highs of about 24°C and lows of about 15°C, with a 21% chance of rain on a given day.
American Canyon weather in autumnSeptember to November
High 20°CLow 12°CRain 39%
Autumn in American Canyon has typical daily highs of about 20°C and lows of about 12°C, with a 39% chance of rain on a given day.
When is the rainy season in American Canyon?
The rainy (wet) season in American Canyon runs from October to May, peaking in January with a 51% chance of rain on a given day. The dry season is June to September; July is the driest month, at 17%.
What time of year is American Canyon windiest?
Winds in American Canyon are highest in June, averaging 4.2 m/s (15 km/h), and lightest in November, at 2.2 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in American Canyon year round?
The average temperature in American Canyon over the whole year is 15°C. August is the hottest month, with highs of about 24°C; December is the coldest, with lows of about 8°C.