Belgium weather

Read our complete guide to the weather in Belgium.

Below are the temperatures expected today at popular destinations in Belgium. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Belgium (Brussels) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to go to Belgium?

The best time to go to Belgium (Brussels) is July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 5°C maximum daytime temperature in January in Belgium (Brussels)5
  • 6°C maximum daytime temperature in February in Belgium (Brussels)6
  • 10°C maximum daytime temperature in March in Belgium (Brussels)10
  • 14°C maximum daytime temperature in April in Belgium (Brussels)14
  • 18°C maximum daytime temperature in May in Belgium (Brussels)18
  • 21°C maximum daytime temperature in June in Belgium (Brussels)21
  • 23°C maximum daytime temperature in July in Belgium (Brussels)23
  • 23°C maximum daytime temperature in August in Belgium (Brussels)23
  • 20°C maximum daytime temperature in September in Belgium (Brussels)20
  • 15°C maximum daytime temperature in October in Belgium (Brussels)15
  • 9°C maximum daytime temperature in November in Belgium (Brussels)9
  • 6°C maximum daytime temperature in December in Belgium (Brussels)6

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
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Metric (°C / mm)  |  Imperial (°F / inches)

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Belgium weather overview

Always be prepared for rain in Belgium as the weather is very changeable. The summer months (May to September) are generally warm with between six and seven hours of sunshine a day. Central Belgium, which is hilly, is slightly warmer than the coast but pays for it with chillier winters.

The Ardennes region in the south has the harshest winters with long periods of snow but its summers, although cooler than in other parts of the country, are fairly sunny and pleasant.

What to pack for Belgium weather

Layers of light-to-warmish clothes are fine for most of the year but you will need to wrap up warm to face winter in the Ardennes. Always take rainwear.

Which is the hottest month in Belgium?

The hottest time of year in Brussels, Belgium is normally July. Expect maximum daytime temperatures to reach 23°C.

Which month has the most rain in Belgium?

In terms of rainfall, November is usually the wettest month in Brussels, Belgium with 79mm on average. There are normally 19 days in November with some rain.

When is it sunniest in Belgium?

The sunniest time of year in Brussels, Belgium is normally August with bright sunshine on average for 48% of daylight hours; that's 7 hours of sunshine per day.

Compare Belgium weather with the USA

Below the Belgium weather chart shows average maximum daytime temperature for Belgium (Brussels) and the USA (Washington).

Maximum daytime temperature (°C)

Belgium (Brussels)
USA (Washington)

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

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