Climate averages 1991–2020
Leuven weather
in May.
A mild, moderately wet month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Leuven: daytime highs average 17.9°C and nights cool to about 9.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 59 mm of rain on roughly 12 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 30 min on an average May day.
The nearest other city in this atlas is Mechelen (23 km away). In May its highs average 18.1°C, about as warm as Leuven, with 59 mm of rain.
Among the 18 cities listed in Belgium, Leuven ranks joint 3rd of 18 for the warmest May highs and joint 2nd of 18 for the driest May (rainfall, lowest first). The mean May high of those 18 cities is 17.6°C; Leuven is 0.3°C warmer than that mean.
From May to June, average highs rise by 2.8°C to 20.7°C, and monthly rainfall rises from 59 mm to 67 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Leuven climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.0°C1.3°C | 1.3°C | 62 | 11.7 | 8.58 h |
| February | 7.1°C1.2°C | 1.2°C | 56 | 10.9 | 10.010 h |
| March | 10.6°C2.9°C | 2.9°C | 55 | 11.8 | 11.812 h |
| April | 14.4°C5.3°C | 5.3°C | 46 | 10.7 | 13.814 h |
| May, selected | 17.9°C9.1°C | 9.1°C | 59 | 12.2 | 15.515 h |
| June | 20.7°C12.1°C | 12.1°C | 67 | 11.3 | 16.416 h |
| July | 22.7°C14.4°C | 14.4°C | 72 | 12.5 | 16.016 h |
| August | 22.6°C14.2°C | 14.2°C | 73 | 12.0 | 14.615 h |
| September | 19.2°C11.7°C | 11.7°C | 53 | 10.4 | 12.713 h |
| October | 14.8°C8.6°C | 8.6°C | 58 | 11.1 | 10.811 h |
| November | 9.9°C4.9°C | 4.9°C | 62 | 11.6 | 9.09 h |
| December | 6.5°C2.1°C | 2.1°C | 72 | 12.9 | 8.08 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Mechelen in MayBelgium · 23 kmHigh 18.1°C · Low 9.3°C · 59 mm rain
- Schaerbeek in MayBelgium · 23 kmHigh 17.8°C · Low 9.1°C · 64 mm rain
- Ixelles in MayBelgium · 24 kmHigh 17.5°C · Low 8.8°C · 62 mm rain
- Brussels in MayBelgium · 25 kmHigh 17.8°C · Low 9.1°C · 62 mm rain
- Anderlecht in MayBelgium · 28 kmHigh 17.9°C · Low 9.2°C · 62 mm rain
- Deurne in MayBelgium · 41 kmHigh 17.9°C · Low 9.3°C · 62 mm rain
- Antwerp in MayBelgium · 43 kmHigh 17.8°C · Low 9.4°C · 62 mm rain
- Hasselt in MayBelgium · 45 kmHigh 18.0°C · Low 9.2°C · 60 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Leuven) is explained once on the Leuven year overview and on the Sources, method and limits page.