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City briefing

Macomb

Illinois, United States · 16,000 people
Jan
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Mar
Apr
May
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The year’s records
Annual mean 12°C · wettest around March · prevailing wind SW
Warmest
27.9 °C
Coldest
-2.9 °C
Wettest
81%
Windiest
6.1 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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Every reading

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

The average temperature in Macomb over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-2°C-5°C-8°C64%55%4.2 m/s003
February2°C-4°C-4°C65%44%4.4 m/s2013
March9°C2°C3°C74%49%4.7 m/s7027
April14°C7°C9°C69%42%4.7 m/s24148
May21°C14°C18°C73%41%3.8 m/s561855
June27°C19°C27°C70%25%3.2 m/s485123
July28°C20°C30°C72%31%2.3 m/s31598
August27°C19°C28°C68%32%2.2 m/s455416
September25°C15°C24°C73%29%2.6 m/s564336
October17°C9°C13°C73%40%3.4 m/s39855
November9°C2°C4°C70%38%4.0 m/s9031
December3°C-2°C-3°C68%46%4.1 m/s0010

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 Macomb weather by season

Year round, Macomb has days of about -2°C at their warmest in January, its coolest month, and 28°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 12°C around the clock. Rain is most likely around March and least likely around January. 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.

Macomb weather in winterDecember to February

High 1°CLow -4°CRain 66%

Winter in Macomb has typical daily highs of about 1°C and lows of about -4°C, with a 66% chance of rain on a given day.

Macomb weather in springMarch to May

High 15°CLow 7°CRain 72%

Spring in Macomb has typical daily highs of about 15°C and lows of about 7°C, with a 72% chance of rain on a given day.

Macomb weather in summerJune to August

High 27°CLow 19°CRain 70%

Summer in Macomb has typical daily highs of about 27°C and lows of about 19°C, with a 70% chance of rain on a given day.

Macomb weather in autumnSeptember to November

High 17°CLow 9°CRain 72%

Autumn in Macomb has typical daily highs of about 17°C and lows of about 9°C, with a 72% chance of rain on a given day.

When is the rainy season in Macomb?

Macomb has no sharply defined rainy season: the chance of rain on a given day runs from 64% in January, the driest month, to 74% in March, the wettest.

What time of year is Macomb windiest?

Winds in Macomb are highest in March, averaging 4.7 m/s (17 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.

What is the average temperature in Macomb year round?

The average temperature in Macomb over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -5°C.

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