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City briefing

Geneva

Illinois, United States · 21,000 people
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The year’s records
Annual mean 11°C · wettest around May · prevailing wind SW
Warmest
27.6 °C
Coldest
-3.3 °C
Wettest
42%
Windiest
6.0 m/s
Prevailing
SW
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
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Dec

Every reading

bars actual · line feels-like, °C
-15-10-5051015202530JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember-15-10-5051015202530JFMAMJJASOND

The average temperature in Geneva 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 Geneva climate by month: average temperatures year round · click a month to read it

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-3°C-5°C-9°C33%64%4.4 m/s001
February1°C-4°C-5°C32%53%4.5 m/s108
March7°C1°C1°C36%55%4.6 m/s3021
April13°C6°C7°C36%55%4.6 m/s19146
May19°C13°C16°C37%51%4.0 m/s511361
June26°C19°C25°C36%41%3.6 m/s594236
July27°C20°C28°C36%40%2.9 m/s485917
August26°C19°C27°C34%39%2.7 m/s555423
September24°C15°C22°C36%41%3.0 m/s663250
October16°C9°C12°C37%49%3.7 m/s35460
November7°C2°C2°C34%51%4.1 m/s6025
December2°C-2°C-4°C35%60%4.2 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 Geneva weather by season

Year round, Geneva has days of about -3°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 20°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.

Geneva weather in winterDecember to February

High -0°CLow -4°CRain 33%

Winter in Geneva has typical daily highs of about -0°C and lows of about -4°C, with a 33% chance of rain on a given day.

Geneva weather in springMarch to May

High 13°CLow 6°CRain 36%

Spring in Geneva has typical daily highs of about 13°C and lows of about 6°C, with a 36% chance of rain on a given day.

Geneva weather in summerJune to August

High 26°CLow 19°CRain 35%

Summer in Geneva has typical daily highs of about 26°C and lows of about 19°C, with a 35% chance of rain on a given day.

Geneva weather in autumnSeptember to November

High 16°CLow 9°CRain 35%

Autumn in Geneva has typical daily highs of about 16°C and lows of about 9°C, with a 35% chance of rain on a given day.

When is the rainy season in Geneva?

Geneva has no sharply defined rainy season: the chance of rain on a given day runs from 32% in February, the driest month, to 37% in May, the wettest.

What time of year is Geneva windiest?

Winds in Geneva are highest in March, averaging 4.6 m/s (17 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the SW.

What is the average temperature in Geneva year round?

The average temperature in Geneva 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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