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City briefing

Harwood Heights

Illinois, United States · 9,000 people
Jan
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Apr
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The year’s records
Annual mean 11°C · wettest around April · prevailing wind SW
Warmest
26.3 °C
Coldest
-2.7 °C
Wettest
22%
Windiest
6.8 m/s
Prevailing
SW
5.8 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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Jul
Aug
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Every reading

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

The average temperature in Harwood Heights over the whole year is 11°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-2°C-4°C-9°C14%72%5.9 m/s001
February1°C-3°C-6°C13%62%5.9 m/s107
March6°C2°C-0°C15%64%6.0 m/s3016
April11°C7°C5°C16%64%5.8 m/s14037
May17°C13°C14°C15%62%5.1 m/s42958
June24°C19°C22°C13%52%4.8 m/s613248
July26°C22°C26°C13%51%4.2 m/s585127
August26°C21°C25°C12%50%4.3 m/s634732
September23°C18°C21°C12%52%4.7 m/s692457
October15°C11°C11°C15%58%5.4 m/s32358
November7°C4°C1°C13%61%5.7 m/s5023
December2°C-1°C-4°C14%69%5.6 m/s005

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 Harwood Heights weather by season

Year round, Harwood Heights has days of about -2°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -4°C to 22°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around April 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.

Harwood Heights weather in winterDecember to February

High 0°CLow -2°CRain 14%

Winter in Harwood Heights has typical daily highs of about 0°C and lows of about -2°C, with a 14% chance of rain on a given day.

Harwood Heights weather in springMarch to May

High 11°CLow 7°CRain 16%

Spring in Harwood Heights has typical daily highs of about 11°C and lows of about 7°C, with a 16% chance of rain on a given day.

Harwood Heights weather in summerJune to August

High 25°CLow 21°CRain 13%

Summer in Harwood Heights has typical daily highs of about 25°C and lows of about 21°C, with a 13% chance of rain on a given day.

Harwood Heights weather in autumnSeptember to November

High 15°CLow 11°CRain 13%

Autumn in Harwood Heights has typical daily highs of about 15°C and lows of about 11°C, with a 13% chance of rain on a given day.

When is the rainy season in Harwood Heights?

Harwood Heights has no sharply defined rainy season: the chance of rain on a given day runs from 12% in August, the driest month, to 16% in April, the wettest.

What time of year is Harwood Heights windiest?

Winds in Harwood Heights are highest in March, averaging 6.0 m/s (22 km/h), and lightest in July, at 4.2 m/s (15 km/h). The prevailing wind is from the SW.

What is the average temperature in Harwood Heights year round?

The average temperature in Harwood Heights over the whole year is 11°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C.

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