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City briefing

Quincy

Illinois, United States · 40,000 people
Jan
Feb
Mar
Apr
May
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The year’s records
Annual mean 13°C · wettest around April · prevailing wind SW
Warmest
28.6 °C
Coldest
-1.5 °C
Wettest
61%
Windiest
5.7 m/s
Prevailing
SW
4.5 m/s average

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

Jan
Feb
Mar
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May
Jun
Jul
Aug
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Dec

Every reading

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

The average temperature in Quincy over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C.

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

MonthHighLowFeels likeChance of rainCloudWindBeing outsideSunWalking
January-1°C-4°C-6°C55%51%4.0 m/s005
February3°C-2°C-2°C55%41%4.1 m/s3017
March10°C3°C4°C58%46%4.4 m/s9034
April15°C8°C10°C58%39%4.3 m/s30255
May22°C14°C19°C58%39%3.4 m/s592156
June28°C20°C27°C57%23%3.0 m/s475721
July29°C21°C30°C58%28%2.4 m/s28627
August27°C20°C28°C56%28%2.4 m/s445815
September26°C16°C25°C56%24%2.6 m/s594736
October18°C10°C14°C57%37%3.4 m/s431059
November10°C3°C5°C56%35%3.7 m/s11037
December4°C-1°C-2°C56%44%3.9 m/s1014

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 Quincy weather by season

Year round, Quincy has days of about -1°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -4°C to 21°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around April 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.

Quincy weather in winterDecember to February

High 2°CLow -2°CRain 55%

Winter in Quincy has typical daily highs of about 2°C and lows of about -2°C, with a 55% chance of rain on a given day.

Quincy weather in springMarch to May

High 15°CLow 9°CRain 58%

Spring in Quincy has typical daily highs of about 15°C and lows of about 9°C, with a 58% chance of rain on a given day.

Quincy weather in summerJune to August

High 28°CLow 20°CRain 57%

Summer in Quincy has typical daily highs of about 28°C and lows of about 20°C, with a 57% chance of rain on a given day.

Quincy weather in autumnSeptember to November

High 18°CLow 10°CRain 56%

Autumn in Quincy has typical daily highs of about 18°C and lows of about 10°C, with a 56% chance of rain on a given day.

When is the rainy season in Quincy?

Quincy has no sharply defined rainy season: the chance of rain on a given day runs from 55% in February, the driest month, to 58% in April, the wettest.

What time of year is Quincy windiest?

Winds in Quincy are highest in March, averaging 4.4 m/s (16 km/h), and lightest in July, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.

What is the average temperature in Quincy year round?

The average temperature in Quincy over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C.

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