Skip to content Weatherlens
Weather data: Open-Meteo.com (CC BY 4.0)
Historical data, no forecasts. Climate normals based on 30-year average.
Copernicus/ERA5 : Contains modified Copernicus Climate Change Service information. Neither the European Commission nor ECMWF is responsible for any use of the information.
Weather Reports API Privacy Contact
Viroinval — Weatherlens — Weatherlens
Belgium / Viroinval Namen
Updated -1 hours ago ↓ 9.35°C/decennium </> Embed code
Share link Share as image
Jaren: 2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
2026 2025 2024 2023 2020
🌡 Temperature May
i Average daily temperature based on hourly measurements at 2 meters above ground. 12.5°C
-0.5 °C vs normal
🌧 Precipitation May
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine May
i Total hours of direct sunshine (>120 W/m²). 346.6u
+21.5 u vs normal
💨 Wind May
i Average wind speed at 10 meters above ground. 12.6km/h
☁ Cloud cover May
i Average cloud cover as a percentage of the sky. 61.3%
💧 Humidity May
i Average relative humidity at 2 meters above ground. 77.6%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary May 2023 was 0.5°C colder than normal with an average of 12.5°C. It was drier than usual: 65.3mm of rain, 14% less than normal. Sunshine was close to average with 347 hours.
coldest 20% — temperature(#5/5) driest 40% — precipitation(#4/5)
# Coldest May in 5 years (12.5°C)~ 97% less rain than normal (May)— Longest dry streak: 8 consecutive days! Daily record: 21.5°C on 4 May
Records 🔥
36.2 °C
Hottest day
27/06/2026
🥶
-6.8 °C
Coldest day
19/01/2024
🌊
47.799995 mm
Wettest day
22/06/2023
☀
15.691614583333333 u
Sunniest day
21/06/2025
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2023 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — May 2023
Dir % Avg N 19.4% 14.1 km/h NE 40.7% 14.6 km/h E 4.3% 8.2 km/h SE 1.7% 13.2 km/h S 5.4% 10.7 km/h SW 8.2% 9.7 km/h W 6.3% 10.1 km/h NW 14.0% 9.7 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table