Detroit weather in January 2026

Expect daytime maximum temperatures of 30°F in Detroit, Michigan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 1.9 inches of rainfall in the month, which might fall as snow.

  • 30°F maximum daytime temperature in January in Detroit30
    30°F max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in January in Detroit13
    13 days with some rainfall
  • 18°F minimum night-time temperature in January in Detroit18
    18°F min night temperature
  • 9 hours of daylight per day in January in Detroit9
    9 hours of daylight per day
  • No heat & humidity in January in Detroit0
    No heat & humidity
  • 1.9 inches monthly rainfall in January in Detroit1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Detroit1
    1 (Low) UV index
  • 37°F sea temperature in January in Detroit37
    37°F sea temperature

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The January weather guide for Michigan (Detroit) 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)  |  Imperial (°F)

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How cold is it in Detroit in January?

Daytime temperatures usually reach 30°F in Detroit in January, falling to 18°F at night.

How sunny is it in Detroit in January?

There are normally 3 hours of bright sunshine each day in Detroit in January - that's 36% of daylight hours.

How warm is the sea around Detroit in January?

The average sea temperature around Detroit in January is 37°F.

Does it rain in Detroit in January?

There are usually 13 days with some rain in Detroit in January and the average monthly rainfall is 1.9 inches. Rain may fall as snow in this month.

Detroit January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:01 17:11
Friday, 16th January 2026 07:58 17:26
Saturday, 31st January 2026 07:47 17:45

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