Belgium weather in January 2026

Expect daytime maximum temperatures of 5°C in Belgium in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 66 mm of rainfall in the month.

  • 5°C maximum daytime temperature in January in Belgium (Brussels)5
    5°C max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in January in Belgium (Brussels)18
    18 days with some rainfall
  • 0°C minimum night-time temperature in January in Belgium (Brussels)0
    0°C min night temperature
  • 9 hours of daylight per day in January in Belgium (Brussels)9
    9 hours of daylight per day
  • No heat & humidity in January in Belgium (Brussels)0
    No heat & humidity
  • 66 mm monthly rainfall in January in Belgium (Brussels)66
    66 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Belgium (Brussels)1
    1 (Low) UV index

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The January weather guide for Belgium (Brussels) 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.

Top Belgium destinations

Below are average maximum temperatures at popular countries, regions and places in Belgium in January. Select a holiday destination to see more weather parameters.

All Belgium destinations

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

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More about Belgium

How cold is it in Belgium in January?

Daytime temperatures usually reach 5°C in Brussels, Belgium in January, falling to -0°C at night.

How sunny is it in Belgium in January?

There are normally 2 hours of bright sunshine each day in Brussels, Belgium in January - that's 19% of daylight hours.

Does it rain in Belgium in January?

There are usually 18 days with some rain in Brussels, Belgium in January and the average monthly rainfall is 66mm. Rain may fall as snow in this month.

Belgium January sunrise & sunset times

Browse the sunrise and sunset times for Belgium in January 2026. Select a month to view Belgium sunrise and sunset times for the next 12 months. The Belgium sunrise and sunset times shown below are for Brussels.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:45 16:48
Friday, 16th January 2026 08:38 17:07
Saturday, 31st January 2026 08:20 17:32

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