Climate Yearbook

Brussels weather in 2023

Brussels weather in 2023, with 365 daily observations from Open-Meteo archive data.

Interactive graph

Open Brussels in the interactive graph

Use the graph view to inspect 2023 alongside other available years for Brussels.

Open graph view

Year summary

In 2023, Brussels averaged 15.4 C for daily highs and 8.3 C for daily lows.

A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was 0.0 C from that baseline, and total precipitation was +114.8 mm from the baseline total.

The warmest month was June, with an average high of 24.9 C, while February had the lowest average low at 2.1 C.

The wettest month was March, totaling 127.5 mm. The hottest day reached 31.0 C on July 8, 2023.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January3.07.179.231
February2.18.411.928
March3.710.4127.531
April4.612.380.530
May8.417.868.131
June14.224.940.430
July14.322.3108.231
August14.221.866.931
September14.223.488.630
October10.617.1118.831
November5.49.9125.530
December4.58.485.331

Daily records in 2023

RecordDateValue
Hottest dayJuly 8, 202331.0 C
Coldest nightDecember 2, 2023-5.6 C
Wettest dayJuly 24, 202321.9 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.