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Weather & Climate

Silly, Wallonia, Belgium

Overview

Climate data and monthly weather averages for Silly.

Key Metrics

Annual Avg
10.2°C
Summer Avg
17.4°C
Winter Avg
2.9°C
Record High
36.6°C
Record Low
-12.8°C
Annual Precipitation
751.9 mm
Avg Humidity
84%
Summer Humidity
78%
Winter Humidity
92%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan13.4°2.5°-11.4°65.793%2667.9
Feb17.9°3.1°-12.8°58.589%4370.6
Mar20.8°5.9°-9.8°56.485%8763.2
Apr25.9°9.5°-4.6°40.880%13249
May28.6°13.1°0.7°59.278%15848.8
Jun30.8°16.4°3.4°63.377%16653.7
Jul36.6°18.2°70.177%16645.6
Aug34°17.7°76.379%13944.8
Sep31.3°14.7°52.581%10354.8
Oct25.3°11°-4.5°62.686%6272.1
Nov19.4°6.6°-4.9°70.292%3060.3
Dec14.6°3.2°-10.3°76.394%2165.6

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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