Annual mean 11°C · wettest around April · prevailing wind W
Warmest
26.8 °C
Coldest
-2.8 °C
Wettest
16%
Windiest
6.5 m/s
Prevailing
W
5.5 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 Des Plaines 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 -4°C. Des Plaines has no sharply defined rainy season: the chance of rain on a given day runs from 6% in August, the driest month, to 11% in April, the wettest. Winds in Des Plaines are highest in March, averaging 5.5 m/s (20 km/h), and lightest in July, at 3.9 m/s (14 km/h). The prevailing wind is from the W. The clearest skies in Des Plaines come in August, when the sky is typically 50% covered; January is the cloudiest month, at 72%.
Month by month Des Plaines 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
-4°C
-8°C
10%
72%
5.3 m/s
0
0
1
February
1°C
-3°C
-6°C
8%
63%
5.4 m/s
1
0
7
March
6°C
2°C
0°C
10%
64%
5.5 m/s
3
0
18
April
11°C
6°C
6°C
11%
65%
5.4 m/s
16
0
41
May
18°C
13°C
14°C
10%
62%
4.7 m/s
46
10
61
June
24°C
19°C
23°C
8%
53%
4.4 m/s
62
35
46
July
27°C
22°C
27°C
7%
51%
3.9 m/s
56
54
25
August
26°C
21°C
26°C
6%
50%
3.9 m/s
63
50
30
September
23°C
17°C
21°C
7%
53%
4.2 m/s
70
27
57
October
15°C
10°C
11°C
10%
58%
4.8 m/s
34
4
61
November
7°C
4°C
2°C
8%
62%
5.2 m/s
6
0
24
December
2°C
-1°C
-4°C
10%
69%
5.1 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 Des Plaines weather by season
Year round, Des Plaines 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 -4°C to 22°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around April and least likely around August. 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.
Des Plaines weather in winterDecember to February
High 0°CLow -3°CRain 9%
Winter in Des Plaines has typical daily highs of about 0°C and lows of about -3°C, with a 9% chance of rain on a given day.
Des Plaines weather in springMarch to May
High 12°CLow 7°CRain 10%
Spring in Des Plaines has typical daily highs of about 12°C and lows of about 7°C, with a 10% chance of rain on a given day.
Des Plaines weather in summerJune to August
High 26°CLow 20°CRain 7%
Summer in Des Plaines has typical daily highs of about 26°C and lows of about 20°C, with a 7% chance of rain on a given day.
Des Plaines weather in autumnSeptember to November
High 15°CLow 10°CRain 8%
Autumn in Des Plaines has typical daily highs of about 15°C and lows of about 10°C, with a 8% chance of rain on a given day.
When is the rainy season in Des Plaines?
Des Plaines has no sharply defined rainy season: the chance of rain on a given day runs from 6% in August, the driest month, to 11% in April, the wettest.
What time of year is Des Plaines windiest?
Winds in Des Plaines are highest in March, averaging 5.5 m/s (20 km/h), and lightest in July, at 3.9 m/s (14 km/h). The prevailing wind is from the W.
What is the average temperature in Des Plaines year round?
The average temperature in Des Plaines 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 -4°C.