Since my itinerary involves traveling to various cities, I was hesitant about whether to get a local eSIM for each city. However, I was drawn to the idea of being able to connect the moment I stepped off the plane. I'm still in the middle of my trip, but I believe it will do a great job!
Anonymous User
Solo traveler
Belgium Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Belgium year round climate
Spring (March–May): Average 8–14°C, mild climate with occasional showers and occasional colder northerly winds. Common activities: Visiting museums, city walks, outdoor excursions. Recommended clothing: Light jacket, comfortable trousers or skirt, comfortable shoes.
Summer (June–August): Average 17–20°C, warm and humid climate with occasional thunderstorms. Common activities: Cycling, outdoor picnics, visiting castles and historical sites. Recommended clothing: Breathable short-sleeved shirts, shorts or skirts, comfortable shoes, and a light jacket for changing temperatures.
Autumn (September–November): Average 7–13°C, cool climate with higher rainfall, especially in September. Common activities: Enjoying autumn scenery, tasting local cuisine, visiting chocolate factories. Recommended clothing: Comfortable long-sleeved shirts, jacket or cardigan, warm trousers.
Winter (December–February): Average 4–7°C, cold and humid climate with possible snowfall. Common activities: Visiting indoor attractions, museums, enjoying indoor activities. Recommended clothing: Warm winter clothing, thick coat, scarf, gloves, and hat.
Belgium climatological average
Annual average temperature: approx. 11.7°C / Annual rainfall: approx. 904 mm / Summer humidity: 65%–75% / Rainiest month: September
Belgium monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.1°C
66.7
February
6.6°C
70.2
March
8.1°C
66.6
April
9.4°C
74
May
14.2°C
80.9
June
17.6°C
71.3
July
18.7°C
64
August
19.5°C
78.9
September
16.3°C
99
October
13.4°C
74.2
November
7.7°C
81.2
December
5°C
77
Belgium weather for the next seven days
9/16
Wednesday
Patchy rain nearby
19.2°C/13.4°C
9/17
Thursday
Overcast
19.4°C/11.1°C
9/18
Friday
Sunny
20°C/10.9°C
9/19
Saturday
Overcast
20.1°C/12.9°C
9/20
Sunday
Overcast
20.8°C/13.4°C
9/21
Monday
Overcast
21.8°C/12.1°C
9/22
Tuesday
Fog
18°C/13.8°C
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