Decatur weather in February 2026

Expect daytime maximum temperatures of 4°C in Decatur, Illinois in February based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 48 mm of rainfall in the month, which might fall as snow.

  • 4°C maximum daytime temperature in February in Decatur4
    4°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in February in Decatur9
    9 days with some rainfall
  • -7°C minimum night-time temperature in February in Decatur-7
    -7°C min night temperature
  • 11 hours of daylight per day in February in Decatur11
    11 hours of daylight per day
  • No heat & humidity in February in Decatur0
    No heat & humidity
  • 48 mm monthly rainfall in February in Decatur48
    48 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Decatur3
    3 (Moderate) UV index

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The February weather guide for Illinois (Decatur) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Decatur in February?

Daytime temperatures usually reach 4°C in Decatur in February, falling to -7°C at night.

How sunny is it in Decatur in February?

There are normally 5 hours of bright sunshine each day in Decatur in February - that's 50% of daylight hours.

Does it rain in Decatur in February?

There are usually 9 days with some rain in Decatur in February and the average monthly rainfall is 48mm. Rain may fall as snow in this month.

Decatur February sunrise & sunset times

Browse the sunrise and sunset times for Decatur in February 2026. Select a month to view Decatur sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st February 2026 07:04 17:15
Saturday, 14th February 2026 06:50 17:31
Saturday, 28th February 2026 06:30 17:47

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