Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Brussels, Brussels Capital, Belgium climate

Average temperatures, precipitation and all-time records for Brussels, Brussels Capital, Belgium, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 23°C, and its coldest is February, with an average low of 0°C.

Brussels, officially the Brussels-Capital Region, is a region of Belgium comprising 19 municipalities, including the City of Brussels, which is the capital of Belgium. The Brussels-Capital Region is located in the central portion of the country. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Brussels, Brussels Capital, Belgium's own ±7-day seasonal distribution.

High 25°C Above Normal · 68th pct
Low 14°C Above Normal · 71st pct
Feels-like 24°C Above Normal · 62nd pct
Humidity 8.9 g/m³ Very Low · 3rd pct
Wind 17 km/h Below Normal · 32nd pct
Precip 0 mm Dry

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Brussels average temperatures by month

Typical daily high and low, and average precipitation, for each month in Brussels, Brussels Capital, Belgium, based on 1981–2026 records. The wettest month is January (3 mm on an average day).

MonthAvg highAvg lowAvg precip
January 5°C 0°C 3 mm
February 6°C 0°C 3 mm
March 11°C 2°C 3 mm
April 14°C 4°C 3 mm
May 18°C 8°C 3 mm
June 21°C 11°C 3 mm
July 23°C 13°C 3 mm
August 23°C 13°C 3 mm
September 20°C 11°C 3 mm
October 16°C 7°C 3 mm
November 10°C 4°C 3 mm
December 6°C 1°C 3 mm

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 39°C on 2019-07-25
  • Coldest day on record: -17°C on 1985-01-14

All Brussels weather records →

Percentiles compare each day to Brussels, Brussels Capital, Belgium's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →