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City briefing

Addison

Illinois, United States · 36,000 people
Jan
Feb
Mar
Apr
May
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The year’s records
Annual mean 11°C · wettest around March · prevailing wind W
Warmest
27.6 °C
Coldest
-2.9 °C
Wettest
22%
Windiest
6.1 m/s
Prevailing
W
5.0 m/s average

When this place is good five ratings · thirty-six ten-day sections · click a cell to read it

Jan
Feb
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May
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Every reading

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

The average temperature in Addison 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.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-2°C-5°C-8°C16%71%4.6 m/s001
February1°C-3°C-5°C15%62%4.7 m/s109
March7°C2°C1°C17%64%4.9 m/s4021
April12°C6°C7°C17%64%4.8 m/s19046
May19°C13°C16°C17%61%4.2 m/s501363
June25°C19°C24°C15%52%3.9 m/s624041
July27°C21°C27°C14%51%3.4 m/s525720
August27°C20°C26°C14%50%3.3 m/s595426
September24°C17°C22°C14%52%3.5 m/s693153
October16°C10°C12°C17%58%4.0 m/s36463
November8°C3°C2°C15%61%4.4 m/s6027
December2°C-1°C-4°C16%68%4.4 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 Addison weather by season

Year round, Addison 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 March 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.

Addison weather in winterDecember to February

High 0°CLow -3°CRain 16%

Winter in Addison has typical daily highs of about 0°C and lows of about -3°C, with a 16% chance of rain on a given day.

Addison weather in springMarch to May

High 13°CLow 7°CRain 17%

Spring in Addison has typical daily highs of about 13°C and lows of about 7°C, with a 17% chance of rain on a given day.

Addison weather in summerJune to August

High 26°CLow 20°CRain 14%

Summer in Addison has typical daily highs of about 26°C and lows of about 20°C, with a 14% chance of rain on a given day.

Addison weather in autumnSeptember to November

High 16°CLow 10°CRain 15%

Autumn in Addison has typical daily highs of about 16°C and lows of about 10°C, with a 15% chance of rain on a given day.

When is the rainy season in Addison?

Addison has no sharply defined rainy season: the chance of rain on a given day runs from 14% in August, the driest month, to 17% in March, the wettest.

What time of year is Addison windiest?

Winds in Addison are highest in March, averaging 4.9 m/s (18 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the W.

What is the average temperature in Addison year round?

The average temperature in Addison 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.

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