Annual mean 11°C · wettest around May · prevailing wind W
Warmest
26.7 °C
Coldest
-2.6 °C
Wettest
53%
Windiest
6.2 m/s
Prevailing
W
5.2 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 Lawn 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. Oak Lawn has no sharply defined rainy season: the chance of rain on a given day runs from 42% in February, the driest month, to 48% in May, the wettest. Winds in Oak Lawn are highest in March, averaging 5.2 m/s (19 km/h), and lightest in July, at 3.4 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Oak Lawn come in August, when the sky is typically 42% covered; January is the cloudiest month, at 67%.
Month by month Oak Lawn 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
42%
67%
5.0 m/s
0
0
1
February
1°C
-3°C
-5°C
42%
56%
5.0 m/s
1
0
8
March
6°C
2°C
0°C
47%
58%
5.2 m/s
3
0
17
April
12°C
6°C
6°C
45%
57%
5.1 m/s
16
0
39
May
18°C
13°C
15°C
48%
53%
4.3 m/s
44
11
56
June
25°C
19°C
23°C
45%
44%
4.0 m/s
57
35
41
July
27°C
21°C
27°C
47%
43%
3.4 m/s
50
52
21
August
26°C
20°C
26°C
46%
42%
3.4 m/s
57
48
27
September
23°C
17°C
22°C
45%
44%
3.8 m/s
66
28
51
October
16°C
10°C
12°C
48%
51%
4.4 m/s
33
4
57
November
8°C
3°C
2°C
44%
54%
4.8 m/s
6
0
24
December
2°C
-1°C
-4°C
46%
63%
4.8 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 Lawn weather by season
Year round, Oak Lawn 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 21°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around May and least likely around February. 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 Lawn weather in winterDecember to February
High 1°CLow -3°CRain 43%
Winter in Oak Lawn has typical daily highs of about 1°C and lows of about -3°C, with a 43% chance of rain on a given day.
Oak Lawn weather in springMarch to May
High 12°CLow 7°CRain 47%
Spring in Oak Lawn has typical daily highs of about 12°C and lows of about 7°C, with a 47% chance of rain on a given day.
Oak Lawn weather in summerJune to August
High 26°CLow 20°CRain 46%
Summer in Oak Lawn has typical daily highs of about 26°C and lows of about 20°C, with a 46% chance of rain on a given day.
Oak Lawn weather in autumnSeptember to November
High 15°CLow 10°CRain 46%
Autumn in Oak Lawn has typical daily highs of about 15°C and lows of about 10°C, with a 46% chance of rain on a given day.
When is the rainy season in Oak Lawn?
Oak Lawn has no sharply defined rainy season: the chance of rain on a given day runs from 42% in February, the driest month, to 48% in May, the wettest.
What time of year is Oak Lawn windiest?
Winds in Oak Lawn are highest in March, averaging 5.2 m/s (19 km/h), and lightest in July, at 3.4 m/s (12 km/h). The prevailing wind is from the W.
What is the average temperature in Oak Lawn year round?
The average temperature in Oak Lawn 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.