Annual mean 14°C · wettest around December · prevailing wind SW
Warmest
24.0 °C
Coldest
11.6 °C
Wettest
54%
Windiest
4.3 m/s
Prevailing
SW
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 Rohnert Park over the whole year is 14°C. September is the hottest month, with highs of about 23°C; December is the coldest, with lows of about 7°C. The rainy (wet) season in Rohnert Park runs from October to May, peaking in December with a 52% chance of rain on a given day. The dry season is June to September; July is the driest month, at 13%. Winds in Rohnert Park are highest in June, averaging 3.5 m/s (13 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in Rohnert Park come in June, when the sky is typically 22% covered; January is the cloudiest month, at 53%.
Month by month Rohnert Park 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
52%
53%
2.2 m/s
11
0
76
February
14°C
7°C
11°C
50%
36%
2.6 m/s
23
0
75
March
14°C
8°C
12°C
52%
46%
2.6 m/s
28
1
79
April
17°C
10°C
16°C
46%
34%
2.9 m/s
54
6
81
May
19°C
11°C
18°C
42%
32%
3.3 m/s
66
15
73
June
21°C
13°C
22°C
24%
22%
3.5 m/s
68
31
56
July
22°C
13°C
23°C
13%
25%
3.2 m/s
68
41
46
August
23°C
14°C
24°C
17%
28%
2.9 m/s
69
44
43
September
23°C
14°C
23°C
29%
28%
2.5 m/s
72
35
51
October
21°C
11°C
20°C
40%
28%
2.2 m/s
75
20
67
November
16°C
8°C
14°C
48%
36%
1.9 m/s
42
1
86
December
12°C
7°C
10°C
52%
48%
2.0 m/s
10
0
75
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 Rohnert Park weather by season
Year round, Rohnert Park has days of about 12°C at their warmest in January, its coolest month, and 23°C in September, its warmest; the coolest hours of the day run from 7°C to 14°C through the year, and the average temperature over the year is 14°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.
Rohnert Park weather in winterDecember to February
High 13°CLow 7°CRain 51%
Winter in Rohnert Park has typical daily highs of about 13°C and lows of about 7°C, with a 51% chance of rain on a given day.
Rohnert Park weather in springMarch to May
High 17°CLow 10°CRain 47%
Spring in Rohnert Park has typical daily highs of about 17°C and lows of about 10°C, with a 47% chance of rain on a given day.
Rohnert Park weather in summerJune to August
High 22°CLow 14°CRain 18%
Summer in Rohnert Park has typical daily highs of about 22°C and lows of about 14°C, with a 18% chance of rain on a given day.
Rohnert Park weather in autumnSeptember to November
High 20°CLow 11°CRain 39%
Autumn in Rohnert Park has typical daily highs of about 20°C and lows of about 11°C, with a 39% chance of rain on a given day.
When is the rainy season in Rohnert Park?
The rainy (wet) season in Rohnert Park runs from October to May, peaking in December with a 52% chance of rain on a given day. The dry season is June to September; July is the driest month, at 13%.
What time of year is Rohnert Park windiest?
Winds in Rohnert Park are highest in June, averaging 3.5 m/s (13 km/h), and lightest in November, at 1.9 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in Rohnert Park year round?
The average temperature in Rohnert Park over the whole year is 14°C. September is the hottest month, with highs of about 23°C; December is the coldest, with lows of about 7°C.