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
Zemst — Weatherlens — Weatherlens
Belgium / Zemst Vlaams-Brabant
Updated -9 hours ago ↓ 7.9°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 April
i Average daily temperature based on hourly measurements at 2 meters above ground. 11.8°C
+1.3 °C vs normal
🌧 Precipitation April
i Total precipitation including rain, snow, and drizzle.
☀ Sunshine April
i Total hours of direct sunshine (>120 W/m²). 292.5u
+22.3 u vs normal
💨 Wind April
i Average wind speed at 10 meters above ground. 11.0km/h
☁ Cloud cover April
i Average cloud cover as a percentage of the sky. 58.8%
💧 Humidity April
i Average relative humidity at 2 meters above ground. 63.1%
3 days {direction, select, warm {warmer} cold {colder} other {}} than normal in a row
Monthly summary April 2026 was 1.3°C warmer than normal with an average of 11.8°C. It was drier than usual: 8.4mm of rain, 87% less than normal. Sunshine was close to average with 293 hours.
driest 20% — precipitation(#5/5)
# Driest April in 5 years (8.4 mm)~ 100% less rain than normal (April)— Longest dry streak: 10 consecutive days! Daily record: 23.8°C on 9 April
Records 🔥
36.2 °C
Hottest day
01/07/2025
🥶
-7.3 °C
Coldest day
18/01/2024
🌊
29.9 mm
Wettest day
18/06/2024
☀
15.895886501736111 u
Sunniest day
25/06/2023
Download Temperature (°C) CSV Download Precipitation (mm) CSV
Cloud cover 2026 vs 2025 vs 2024 vs normal
Wind Rose Wind direction distribution — April 2026
Dir % Avg N 7.4% 8.7 km/h NE 23.9% 10.7 km/h E 18.2% 11.7 km/h SE 6.9% 6.5 km/h S 5.6% 13.2 km/h SW 16.4% 13.4 km/h W 12.1% 11.3 km/h NW 9.6% 9.8 km/h
🌡 Temperature (°C)Show table
🌧 Precipitation (mm)Show table