Annual mean 12°C · wettest around December · prevailing wind W
Warmest
25.4 °C
Coldest
6.8 °C
Wettest
28%
Windiest
3.8 m/s
Prevailing
W
3.1 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 Cottage Grove over the whole year is 12°C. July is the hottest month, with highs of about 26°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Cottage Grove runs from October to April, peaking in December with a 28% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%. Winds in Cottage Grove are highest in July, averaging 2.9 m/s (10 km/h), and lightest in October, at 2.2 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Cottage Grove come in July, when the sky is typically 26% covered; December is the cloudiest month, at 77%.
Month by month Cottage Grove 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
7°C
4°C
4°C
27%
75%
2.5 m/s
1
0
31
February
8°C
3°C
4°C
25%
72%
2.5 m/s
2
0
35
March
10°C
4°C
7°C
24%
67%
2.6 m/s
6
0
51
April
14°C
6°C
11°C
21%
60%
2.7 m/s
23
1
73
May
18°C
10°C
15°C
14%
53%
2.6 m/s
52
6
82
June
21°C
12°C
19°C
11%
43%
2.8 m/s
71
17
73
July
26°C
14°C
23°C
5%
26%
2.9 m/s
77
40
51
August
26°C
14°C
24°C
6%
31%
2.7 m/s
76
42
48
September
21°C
11°C
19°C
11%
45%
2.4 m/s
81
16
74
October
16°C
8°C
13°C
18%
54%
2.2 m/s
43
2
83
November
10°C
6°C
7°C
25%
71%
2.3 m/s
9
0
52
December
7°C
4°C
4°C
28%
77%
2.3 m/s
1
0
28
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 Cottage Grove weather by season
Year round, Cottage Grove has days of about 7°C at their warmest in December, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from 3°C to 14°C through the year, and the average temperature over the year is 12°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.
Cottage Grove weather in winterDecember to February
High 7°CLow 4°CRain 27%
Winter in Cottage Grove has typical daily highs of about 7°C and lows of about 4°C, with a 27% chance of rain on a given day.
Cottage Grove weather in springMarch to May
High 14°CLow 7°CRain 20%
Spring in Cottage Grove has typical daily highs of about 14°C and lows of about 7°C, with a 20% chance of rain on a given day.
Cottage Grove weather in summerJune to August
High 24°CLow 13°CRain 7%
Summer in Cottage Grove has typical daily highs of about 24°C and lows of about 13°C, with a 7% chance of rain on a given day.
Cottage Grove weather in autumnSeptember to November
High 16°CLow 8°CRain 18%
Autumn in Cottage Grove has typical daily highs of about 16°C and lows of about 8°C, with a 18% chance of rain on a given day.
When is the rainy season in Cottage Grove?
The rainy (wet) season in Cottage Grove runs from October to April, peaking in December with a 28% chance of rain on a given day. The dry season is May to September; July is the driest month, at 5%.
What time of year is Cottage Grove windiest?
Winds in Cottage Grove are highest in July, averaging 2.9 m/s (10 km/h), and lightest in October, at 2.2 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Cottage Grove year round?
The average temperature in Cottage Grove over the whole year is 12°C. July is the hottest month, with highs of about 26°C; February is the coldest, with lows of about 3°C.