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
Bertem — Weatherlens — Weatherlens
Belgium / Bertem Vlaams-Brabant
Updated -2 hours ago ↓ 8.3°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 December
i Average daily temperature based on hourly measurements at 2 meters above ground. 6.7°C
+0.6 °C vs normal
🌧 Precipitation December
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine December
i Total hours of direct sunshine (>120 W/m²). 68.6u
-13.7 u vs normal
💨 Wind December
i Average wind speed at 10 meters above ground. 20.1km/h
☁ Cloud cover December
i Average cloud cover as a percentage of the sky. 83.7%
💧 Humidity December
i Average relative humidity at 2 meters above ground. 85.6%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary December 2023 was 0.6°C warmer than normal with an average of 6.7°C. It was wetter than usual: 78.1mm of rain, 35% more than normal. Less sun than usual with 69 hours, 17% less than normal.
warmest 33% — temperature(#1/3) wettest 33% — precipitation(#1/3) gloomiest 33% — sunshine(#3/3)
# Warmest December in 3 years (6.7°C)# Wettest December in 3 years (78.1 mm)~ 98% less rain than normal (December)! Daily record: 10.9°C on 11 December
Records 🔥
35.8 °C
Hottest day
26/06/2026
🥶
-8.1 °C
Coldest day
14/01/2025
🌊
29.1 mm
Wettest day
12/07/2024
☀
15.03185546875 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 — December 2023
Dir % Avg N 1.9% 9 km/h NE 3.4% 10.3 km/h E 0.0% 0 km/h SE 4.2% 16.8 km/h S 15.1% 19.7 km/h SW 49.7% 21.4 km/h W 21.6% 22.3 km/h NW 4.2% 10.3 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table