Indianapolis weather in January 2026

Expect daytime maximum temperatures of 1°C in Indianapolis in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 61 mm of rainfall in the month, which might fall as snow.

  • 1°C maximum daytime temperature in January in Indianapolis1
    1°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Indianapolis11
    11 days with some rainfall
  • -9°C minimum night-time temperature in January in Indianapolis-9
    -9°C min night temperature
  • 10 hours of daylight per day in January in Indianapolis10
    10 hours of daylight per day
  • No heat & humidity in January in Indianapolis0
    No heat & humidity
  • 61 mm monthly rainfall in January in Indianapolis61
    61 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Indianapolis2
    2 (Low) UV index

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The January weather guide for Indiana (Indianapolis) 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 Indianapolis in January?

Daytime temperatures usually reach 1°C in Indianapolis in January, falling to -9°C at night.

How sunny is it in Indianapolis in January?

There are normally 4 hours of bright sunshine each day in Indianapolis in January - that's 44% of daylight hours.

Does it rain in Indianapolis in January?

There are usually 11 days with some rain in Indianapolis in January and the average monthly rainfall is 61mm. Rain may fall as snow in this month.

Indianapolis January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:06 17:31
Friday, 16th January 2026 08:03 17:46
Saturday, 31st January 2026 07:53 18:03

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