Bonn weather in January 2026

Expect daytime maximum temperatures of 39°F in Bonn, Germany in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 17 days with some rainfall and typically 2.3 inches of rainfall in the month.

  • 39°F maximum daytime temperature in January in Bonn39
    39°F max day temperature
  • 1 hour of sunshine per day
  • 17 days with some rainfall in January in Bonn17
    17 days with some rainfall
  • 30°F minimum night-time temperature in January in Bonn30
    30°F min night temperature
  • 9 hours of daylight per day in January in Bonn9
    9 hours of daylight per day
  • No heat & humidity in January in Bonn0
    No heat & humidity
  • 2.3 inches monthly rainfall in January in Bonn2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Bonn1
    1 (Low) UV index

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The January weather guide for Germany (Bonn) 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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More about Germany

How cold is it in Bonn in January?

Daytime temperatures usually reach 39°F in Bonn in January, falling to 30°F at night.

How sunny is it in Bonn in January?

There are normally 1 hour of bright sunshine each day in Bonn in January - that's 16% of daylight hours.

Does it rain in Bonn in January?

There are usually 17 days with some rain in Bonn in January and the average monthly rainfall is 2.3 inches. Rain may fall as snow in this month.

Bonn January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:33 16:37
Friday, 16th January 2026 08:26 16:57
Saturday, 31st January 2026 08:09 17:22

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