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Decatur
Average humidity
ClimateForecastNovemberDecember >>

Average humidity in Decatur (IL)

The mean monthly relative humidity over the year in Decatur (Illinois), the United States of America.

* Data from: Springfield, the United States of America (59 KM, 36 Miles).
  • On average, December is the most humid month, at 78.0%.
  • On average, May is the least humid month, at 65.0%.
  • The average annual percentage of humidity is 71%.

Forecast for Decatur (IL)

Sat   Nov 02
17°C | 2°C
SE 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sun   Nov 03
19°C | 7°C
SE 22 km/h
3.4 mm
overcast and rain

overcast and rain

hourly forecast
Mon   Nov 04
22°C | 16°C
S 32 km/h
23 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
5-Day Forecast 10-Day Forecast

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