Brussels Weather

2026 (This Year)

Historical data
Average Temperature
18.3 °C
High
/
10.3 °C
Low
594.1mm
Precipitation
37.0°C
Peak Temp
-3.8°C
Low Temp
282
Days Count

Seasonal Breakdown

Average temperatures and precipitation by season

Spring

92 days
16.7°C
Avg High
/
7.7°C
Avg Low
Precipitation
163.9mm

Summer

92 days
25.4°C
Avg High
/
16.2°C
Avg Low
Precipitation
162.4mm

Autumn

39 days
21.2°C
Avg High
/
13.1°C
Avg Low
Precipitation
67.7mm

Winter

59 days
8.0°C
Avg High
/
3.2°C
Avg Low
Precipitation
200.1mm

Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)

Monthly Breakdown

Average temperatures and precipitation by month

January

31 days
6.1°C / 1.8°C
Avg High / Low
Precipitation
77.4mm

February

28 days
10.0°C / 4.8°C
Avg High / Low
Precipitation
122.7mm

March

31 days
13.0°C / 4.9°C
Avg High / Low
Precipitation
52.2mm

April

30 days
17.0°C / 6.8°C
Avg High / Low
Precipitation
16.7mm

May

31 days
20.1°C / 11.6°C
Avg High / Low
Precipitation
95.0mm

June

30 days
24.3°C / 15.8°C
Avg High / Low
Precipitation
71.2mm

July

31 days
26.4°C / 16.5°C
Avg High / Low
Precipitation
13.4mm

August

31 days
25.3°C / 16.3°C
Avg High / Low
Precipitation
77.8mm

September

30 days
21.7°C / 13.9°C
Avg High / Low
Precipitation
45.7mm

October

9 days
19.7°C / 10.5°C
Avg High / Low
Precipitation
22.0mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

37.0°C
Friday, June 26

Coolest Day

-0.7°C
Monday, January 5

Period Low

-3.8°C
Monday, January 5

Compare with historical weather

Load the same period from the previous 15 years.

Weather Insights

Key findings from analysis for selected period

Extreme Temperature Variations

Worth noting

Temperature extremes from -3.8°C to 37.0°C. 46 cold days and 5 very hot days.

🌦️

Moderate Rainfall Period

Info

Moderate rainfall during this period (37% of days).

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: February (123mm), May (95mm)
Driest: July (13mm), April (17mm)

Temperature Patterns (Monthly Averages):
Hottest months: July (26.4°C), August (25.3°C)
Coolest months: January (6.1°C), February (10.0°C)

Travel Recommendations:
Best visiting months: September, October, June (optimal temperature and rainfall balance).
⚠️

5 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 5 notable days in this period:

Jun 26 Heat

Hottest day: 37.0°C

Jun 24 Heat

Very hot day: 36.4°C

Aug 14 Heat

Very hot day: 36.3°C

4 Extreme Heat Index Days

Worth noting

4 days with dangerous heat index levels (44.0°C average). Temperature 35.6°C combined with 55% humidity creates hazardous conditions.

High Humidity Levels

Info

Average humidity of 71% indicates persistently moist air conditions. Heat sensation amplified during warm periods (18.3°C average temperature). Humidity varied significantly (24%-97% range).

📊

Highly Variable Humidity

Info

Large humidity swings (24%-97%) for a year. Conditions ranged from very dry to very humid.

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Data Source

Weather data provided by Open-Meteo, offering reliable historical weather information from meteorological stations worldwide.

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