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City briefing

La Grange

Illinois, United States · 16,000 people
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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The year’s records
Annual mean 11°C · wettest around May · prevailing wind SW
Warmest
27.1 °C
Coldest
-2.7 °C
Wettest
39%
Windiest
6.2 m/s
Prevailing
SW
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
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Nov
Dec

Every reading

bars actual · line feels-like, °C
-15-10-50510152025JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember-15-10-50510152025JFMAMJJASOND

The average temperature in La Grange 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.

Month by month La Grange climate by month: average temperatures year round · click a month to read it

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-2°C-4°C-8°C30%69%4.9 m/s001
February1°C-3°C-5°C29%59%5.0 m/s108
March7°C2°C1°C33%60%5.2 m/s3019
April12°C6°C6°C32%60%5.0 m/s17042
May18°C13°C15°C33%57%4.4 m/s461258
June25°C19°C24°C31%48%4.0 m/s593741
July27°C21°C27°C32%47%3.5 m/s515421
August26°C20°C26°C31%45%3.5 m/s575026
September23°C17°C22°C31%47%3.8 m/s672952
October16°C10°C12°C33%54%4.4 m/s34460
November8°C3°C2°C30%57%4.8 m/s6025
December2°C-1°C-4°C32%65%4.7 m/s006

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 La Grange weather by season

Year round, La Grange 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.

La Grange weather in winterDecember to February

High 0°CLow -3°CRain 31%

Winter in La Grange has typical daily highs of about 0°C and lows of about -3°C, with a 31% chance of rain on a given day.

La Grange weather in springMarch to May

High 12°CLow 7°CRain 33%

Spring in La Grange has typical daily highs of about 12°C and lows of about 7°C, with a 33% chance of rain on a given day.

La Grange weather in summerJune to August

High 26°CLow 20°CRain 31%

Summer in La Grange has typical daily highs of about 26°C and lows of about 20°C, with a 31% chance of rain on a given day.

La Grange weather in autumnSeptember to November

High 15°CLow 10°CRain 32%

Autumn in La Grange has typical daily highs of about 15°C and lows of about 10°C, with a 32% chance of rain on a given day.

When is the rainy season in La Grange?

La Grange has no sharply defined rainy season: the chance of rain on a given day runs from 29% in February, the driest month, to 33% in May, the wettest.

What time of year is La Grange windiest?

Winds in La Grange are highest in March, averaging 5.2 m/s (19 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the SW.

What is the average temperature in La Grange year round?

The average temperature in La Grange 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.

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