Annual mean 18°C · wettest around December · prevailing wind SW
Warmest
32.4 °C
Coldest
10.9 °C
Wettest
26%
Windiest
4.4 m/s
Prevailing
SW
3.3 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 Oroville over the whole year is 18°C. July is the hottest month, with highs of about 35°C; December is the coldest, with lows of about 6°C. The rainy (wet) season in Oroville runs from October to May, peaking in December with a 29% chance of rain on a given day. The dry season is June to September; July is the driest month, at 1%. Winds in Oroville are highest in March, averaging 3.4 m/s (12 km/h), and lightest in October, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Oroville come in July, when the sky is typically 3% covered; January is the cloudiest month, at 44%.
Month by month Oroville 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
7°C
8°C
27%
44%
2.8 m/s
6
0
66
February
14°C
7°C
10°C
26%
30%
3.0 m/s
21
0
71
March
15°C
8°C
12°C
27%
40%
3.4 m/s
31
1
76
April
21°C
11°C
17°C
20%
23%
3.0 m/s
67
13
76
May
26°C
15°C
22°C
18%
16%
3.3 m/s
72
35
55
June
31°C
19°C
27°C
9%
6%
3.1 m/s
48
62
23
July
35°C
21°C
31°C
1%
3%
2.8 m/s
23
71
5
August
33°C
19°C
30°C
4%
7%
2.4 m/s
26
76
5
September
28°C
16°C
27°C
13%
11%
2.3 m/s
56
61
26
October
24°C
12°C
21°C
17%
14%
2.2 m/s
75
27
63
November
16°C
8°C
13°C
24%
29%
2.2 m/s
37
0
85
December
12°C
6°C
9°C
29%
39%
2.4 m/s
7
0
68
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 Oroville weather by season
Year round, Oroville has days of about 12°C at their warmest in December, its coolest month, and 35°C in July, its warmest; the coolest hours of the day run from 6°C to 21°C through the year, and the average temperature over the year is 18°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.
Oroville weather in winterDecember to February
High 12°CLow 6°CRain 27%
Winter in Oroville has typical daily highs of about 12°C and lows of about 6°C, with a 27% chance of rain on a given day.
Oroville weather in springMarch to May
High 21°CLow 11°CRain 22%
Spring in Oroville has typical daily highs of about 21°C and lows of about 11°C, with a 22% chance of rain on a given day.
Oroville weather in summerJune to August
High 33°CLow 20°CRain 5%
Summer in Oroville has typical daily highs of about 33°C and lows of about 20°C, with a 5% chance of rain on a given day.
Oroville weather in autumnSeptember to November
High 23°CLow 12°CRain 18%
Autumn in Oroville has typical daily highs of about 23°C and lows of about 12°C, with a 18% chance of rain on a given day.
When is the rainy season in Oroville?
The rainy (wet) season in Oroville runs from October to May, peaking in December with a 29% chance of rain on a given day. The dry season is June to September; July is the driest month, at 1%.
What time of year is Oroville windiest?
Winds in Oroville are highest in March, averaging 3.4 m/s (12 km/h), and lightest in October, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Oroville year round?
The average temperature in Oroville over the whole year is 18°C. July is the hottest month, with highs of about 35°C; December is the coldest, with lows of about 6°C.