Marion weather in January 2026

Expect daytime maximum temperatures of 4°C in Marion in January based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 72 mm of rainfall in the month, which might fall as snow.

  • 4°C maximum daytime temperature in January in Marion4
    4°C max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in January in Marion9
    9 days with some rainfall
  • -6°C minimum night-time temperature in January in Marion-6
    -6°C min night temperature
  • 10 hours of daylight per day in January in Marion10
    10 hours of daylight per day
  • No heat & humidity in January in Marion0
    No heat & humidity
  • 72 mm monthly rainfall in January in Marion72
    72 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Marion2
    2 (Low) UV index

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The January weather guide for Illinois (Marion) 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 Marion in January?

Daytime temperatures usually reach 4°C in Marion in January, falling to -6°C at night.

How sunny is it in Marion in January?

There are normally 5 hours of bright sunshine each day in Marion in January - that's 49% of daylight hours.

Does it rain in Marion in January?

There are usually 9 days with some rain in Marion in January and the average monthly rainfall is 72mm. Rain may fall as snow in this month.

Marion January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:11 16:48
Friday, 16th January 2026 07:09 17:02
Saturday, 31st January 2026 07:00 17:18

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