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City briefing

Sugar Grove

Illinois, United States · 9,000 people
Jan
Feb
Mar
Apr
May
Jun
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The year’s records
Annual mean 11°C · wettest around May · prevailing wind SW
Warmest
27.6 °C
Coldest
-3.4 °C
Wettest
57%
Windiest
5.9 m/s
Prevailing
SW
4.7 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
Jun
Jul
Aug
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Every reading

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

The average temperature in Sugar Grove 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 -6°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-3°C-6°C-9°C45%61%4.2 m/s001
February1°C-4°C-5°C43%49%4.3 m/s108
March7°C1°C1°C49%52%4.5 m/s4021
April13°C6°C8°C48%50%4.5 m/s19146
May20°C12°C17°C50%47%3.8 m/s511460
June26°C19°C25°C49%36%3.4 m/s574333
July27°C20°C28°C49%35%2.5 m/s455915
August26°C18°C27°C47%35%2.3 m/s525521
September24°C15°C23°C49%36%2.7 m/s643446
October16°C8°C12°C50%45%3.4 m/s35459
November7°C2°C2°C46%47%3.9 m/s7025
December2°C-2°C-4°C47%56%4.1 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 Sugar Grove weather by season

Year round, Sugar Grove 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 -6°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.

Sugar Grove weather in winterDecember to February

High -0°CLow -4°CRain 45%

Winter in Sugar Grove has typical daily highs of about -0°C and lows of about -4°C, with a 45% chance of rain on a given day.

Sugar Grove weather in springMarch to May

High 13°CLow 6°CRain 49%

Spring in Sugar Grove has typical daily highs of about 13°C and lows of about 6°C, with a 49% chance of rain on a given day.

Sugar Grove weather in summerJune to August

High 27°CLow 19°CRain 49%

Summer in Sugar Grove has typical daily highs of about 27°C and lows of about 19°C, with a 49% chance of rain on a given day.

Sugar Grove weather in autumnSeptember to November

High 16°CLow 8°CRain 48%

Autumn in Sugar Grove has typical daily highs of about 16°C and lows of about 8°C, with a 48% chance of rain on a given day.

When is the rainy season in Sugar Grove?

Sugar Grove has no sharply defined rainy season: the chance of rain on a given day runs from 43% in February, the driest month, to 50% in May, the wettest.

What time of year is Sugar Grove windiest?

Winds in Sugar Grove are highest in March, averaging 4.5 m/s (16 km/h), and lightest in August, at 2.3 m/s (8 km/h). The prevailing wind is from the SW.

What is the average temperature in Sugar Grove year round?

The average temperature in Sugar Grove 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 -6°C.

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