Annual mean 11°C · wettest around July · prevailing wind W
Warmest
27.1 °C
Coldest
-2.6 °C
Wettest
71%
Windiest
5.9 m/s
Prevailing
W
4.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Oak Forest over the whole year is 11°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -5°C. Oak Forest has no sharply defined rainy season: the chance of rain on a given day runs from 54% in January, the driest month, to 62% in July, the wettest. Winds in Oak Forest are highest in March, averaging 4.7 m/s (17 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Oak Forest come in August, when the sky is typically 39% covered; January is the cloudiest month, at 65%.
Month by month Oak Forest 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
-2°C
-5°C
-8°C
54%
65%
4.5 m/s
0
0
2
February
2°C
-3°C
-5°C
54%
53%
4.5 m/s
1
0
8
March
7°C
2°C
1°C
61%
55%
4.7 m/s
4
0
19
April
12°C
6°C
7°C
57%
53%
4.6 m/s
18
1
41
May
19°C
13°C
16°C
61%
50%
3.9 m/s
46
13
56
June
25°C
19°C
24°C
58%
40%
3.5 m/s
56
37
37
July
27°C
21°C
27°C
62%
40%
3.0 m/s
46
54
18
August
26°C
19°C
26°C
61%
39%
2.9 m/s
53
50
24
September
23°C
16°C
22°C
59%
40%
3.2 m/s
64
31
48
October
16°C
10°C
12°C
61%
49%
3.8 m/s
34
4
58
November
8°C
3°C
2°C
58%
51%
4.3 m/s
6
0
25
December
2°C
-1°C
-4°C
60%
60%
4.3 m/s
0
0
6
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 Oak Forest weather by season
Year round, Oak Forest has days of about -2°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -5°C to 21°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around July and least likely around January. 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.
Oak Forest weather in winterDecember to February
High 1°CLow -3°CRain 56%
Winter in Oak Forest has typical daily highs of about 1°C and lows of about -3°C, with a 56% chance of rain on a given day.
Oak Forest weather in springMarch to May
High 12°CLow 7°CRain 60%
Spring in Oak Forest has typical daily highs of about 12°C and lows of about 7°C, with a 60% chance of rain on a given day.
Oak Forest weather in summerJune to August
High 26°CLow 20°CRain 60%
Summer in Oak Forest has typical daily highs of about 26°C and lows of about 20°C, with a 60% chance of rain on a given day.
Oak Forest weather in autumnSeptember to November
High 16°CLow 10°CRain 59%
Autumn in Oak Forest has typical daily highs of about 16°C and lows of about 10°C, with a 59% chance of rain on a given day.
When is the rainy season in Oak Forest?
Oak Forest has no sharply defined rainy season: the chance of rain on a given day runs from 54% in January, the driest month, to 62% in July, the wettest.
What time of year is Oak Forest windiest?
Winds in Oak Forest are highest in March, averaging 4.7 m/s (17 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Oak Forest year round?
The average temperature in Oak Forest over the whole year is 11°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -5°C.