Climate averages 1991–2020
Leiden weather
in April.
A cool, moderately wet month: the 7th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Leiden: daytime highs average 12.5°C and nights cool to about 6.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 45 mm of rain on roughly 10 days, which makes April a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 52 min on an average April day.
The nearest other city in this atlas is Zoetermeer (11 km away). In April its highs average 13.1°C, 0.6°C warmer than Leiden, with 48 mm of rain.
Among the 44 cities listed in the Netherlands, Leiden ranks joint 37th of 44 for the warmest April highs and joint 10th of 44 for the driest April (rainfall, lowest first). The mean April high of those 44 cities is 13.4°C; Leiden is 0.9°C cooler than that mean.
From April to May, average highs rise by 3.3°C to 15.8°C, and monthly rainfall rises from 45 mm to 58 mm.
The annual picture
April 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
Leiden climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.0°C2.3°C | 2.3°C | 72 | 13.6 | 8.38 h |
| February | 6.4°C2.1°C | 2.1°C | 57 | 11.6 | 9.910 h |
| March | 9.0°C3.7°C | 3.7°C | 54 | 11.3 | 11.812 h |
| April, selected | 12.5°C6.0°C | 6.0°C | 45 | 10.1 | 13.914 h |
| May | 15.8°C9.6°C | 9.6°C | 58 | 10.4 | 15.716 h |
| June | 18.4°C12.4°C | 12.4°C | 61 | 11.0 | 16.717 h |
| July | 20.6°C14.8°C | 14.8°C | 77 | 12.4 | 16.216 h |
| August | 20.8°C15.1°C | 15.1°C | 90 | 13.3 | 14.715 h |
| September | 18.0°C12.9°C | 12.9°C | 87 | 13.0 | 12.713 h |
| October | 14.1°C9.6°C | 9.6°C | 93 | 14.0 | 10.711 h |
| November | 9.8°C6.1°C | 6.1°C | 83 | 15.3 | 8.99 h |
| December | 6.7°C3.3°C | 3.3°C | 84 | 14.6 | 7.88 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
April in nearby cities
- Zoetermeer in AprilThe Netherlands · 11 kmHigh 13.1°C · Low 5.8°C · 48 mm rain
- Alphen aan den Rijn in AprilThe Netherlands · 12 kmHigh 13.3°C · Low 5.6°C · 49 mm rain
- The Hague in AprilThe Netherlands · 16 kmHigh 12.4°C · Low 6.1°C · 44 mm rain
- Delft in AprilThe Netherlands · 19 kmHigh 13.1°C · Low 5.9°C · 44 mm rain
- Hoofddorp in AprilThe Netherlands · 21 kmHigh 12.5°C · Low 6.2°C · 49 mm rain
- Gouda in AprilThe Netherlands · 22 kmHigh 13.5°C · Low 5.6°C · 52 mm rain
- Rotterdam in AprilThe Netherlands · 26 kmHigh 13.6°C · Low 5.6°C · 48 mm rain
- Haarlem in AprilThe Netherlands · 27 kmHigh 12.0°C · Low 6.3°C · 44 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 Leiden) is explained once on the Leiden year overview and on the Sources, method and limits page.