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 RSS
Kortessem — Weatherlens — Weatherlens
Belgium / Kortessem Limburg
Updated -17 hours ago ↓ 7.6°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. 14.8°C
+0.3 °C vs normal
🌧 Precipitation May
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine May
i Total hours of direct sunshine (>120 W/m²). 408.2u
+88.4 u vs normal
💨 Wind May
i Average wind speed at 10 meters above ground. 11.1km/h
☁ Cloud cover May
i Average cloud cover as a percentage of the sky. 59.1%
💧 Humidity May
i Average relative humidity at 2 meters above ground. 72.4%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary May 2026 had an average temperature of 14.8°C, close to normal. It was wetter than usual: 125.5mm of rain, 36% more than normal. A sunny month with 408 hours of sunshine, 28% more than normal.
warmest 40% — temperature(#2/5) wettest 40% — precipitation(#2/5) sunniest 40% — sunshine(#2/5)
Did you know...~ 98% less rain than normal (May)— Longest dry streak: 8 consecutive days— 9 summer days (max ≥ 25°C)— 4 heavy rain days (≥ 10mm)! Daily record: 26.2°C on 22 May
Records 🔥
36.1 °C
Hottest day
26/06/2026
🥶
-9.2 °C
Coldest day
18/01/2024
🌊
41.800003 mm
Wettest day
09/10/2024
☀
15.013142361111111 u
Sunniest day
21/06/2025
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2026 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — May 2026
Dir % Avg N 10.6% 10.5 km/h NE 16.8% 10.3 km/h E 9.3% 7.8 km/h SE 9.3% 8.4 km/h S 14.9% 10.5 km/h SW 21.5% 13.8 km/h W 10.8% 13.4 km/h NW 6.9% 11.4 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table