Climate averages 1991–2020
Alkmaar weather
in April.
A cool, fairly dry 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 Alkmaar: daytime highs average 11.4°C and nights cool to about 6.6°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 37 mm of rain on roughly 9 days, which makes April a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 54 min on an average April day.
The nearest other city in this atlas is Purmerend (20 km away). In April its highs average 12.7°C, 1.3°C warmer than Alkmaar, with 45 mm of rain.
Among the 44 cities listed in the Netherlands, Alkmaar ranks 44th of 44 for the warmest April highs and 1st of 44 for the driest April (rainfall, lowest first). The mean April high of those 44 cities is 13.4°C; Alkmaar is 2.0°C cooler than that mean.
From April to May, average highs rise by 3.2°C to 14.6°C, and monthly rainfall rises from 37 mm to 50 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
Alkmaar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.9°C2.9°C | 2.9°C | 68 | 13.4 | 8.28 h |
| February | 6.0°C2.7°C | 2.7°C | 53 | 10.9 | 9.810 h |
| March | 8.2°C4.2°C | 4.2°C | 49 | 10.5 | 11.812 h |
| April, selected | 11.4°C6.6°C | 6.6°C | 37 | 8.8 | 13.914 h |
| May | 14.6°C10.0°C | 10.0°C | 50 | 9.6 | 15.716 h |
| June | 17.2°C12.9°C | 12.9°C | 55 | 10.3 | 16.817 h |
| July | 19.5°C15.3°C | 15.3°C | 67 | 11.8 | 16.316 h |
| August | 19.9°C15.7°C | 15.7°C | 84 | 12.8 | 14.715 h |
| September | 17.4°C13.7°C | 13.7°C | 82 | 12.6 | 12.713 h |
| October | 13.8°C10.4°C | 10.4°C | 91 | 14.4 | 10.711 h |
| November | 9.8°C6.8°C | 6.8°C | 79 | 15.5 | 8.89 h |
| December | 6.9°C4.0°C | 4.0°C | 79 | 14.5 | 7.78 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
- Purmerend in AprilThe Netherlands · 20 kmHigh 12.7°C · Low 5.9°C · 45 mm rain
- Zaanstad in AprilThe Netherlands · 20 kmHigh 12.2°C · Low 6.3°C · 44 mm rain
- Zaandam in AprilThe Netherlands · 22 kmHigh 12.5°C · Low 6.2°C · 44 mm rain
- Haarlem in AprilThe Netherlands · 29 kmHigh 12.0°C · Low 6.3°C · 44 mm rain
- Amsterdam in AprilThe Netherlands · 30 kmHigh 12.7°C · Low 5.9°C · 50 mm rain
- Hoofddorp in AprilThe Netherlands · 37 kmHigh 12.5°C · Low 6.2°C · 49 mm rain
- Amstelveen in AprilThe Netherlands · 38 kmHigh 13.0°C · Low 5.8°C · 49 mm rain
- Almere Stad in AprilThe Netherlands · 43 kmHigh 13.5°C · Low 5.6°C · 51 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 Alkmaar) is explained once on the Alkmaar year overview and on the Sources, method and limits page.