Climate averages 1991–2020
Alkmaar weather
in July.
A mild, moderately wet month: the 2nd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Alkmaar: daytime highs average 19.5°C and nights cool to about 15.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 67 mm of rain on roughly 12 days, which makes July a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 19 min on an average July day.
The nearest other city in this atlas is Purmerend (20 km away). In July its highs average 20.8°C, 1.3°C warmer than Alkmaar, with 75 mm of rain.
Among the 44 cities listed in the Netherlands, Alkmaar ranks 44th of 44 for the warmest July highs and 1st of 44 for the driest July (rainfall, lowest first). The mean July high of those 44 cities is 21.6°C; Alkmaar is 2.1°C cooler than that mean.
From July to August, average highs rise by 0.4°C to 19.9°C, and monthly rainfall rises from 67 mm to 84 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Purmerend in JulyThe Netherlands · 20 kmHigh 20.8°C · Low 14.7°C · 75 mm rain
- Zaanstad in JulyThe Netherlands · 20 kmHigh 20.2°C · Low 15.0°C · 79 mm rain
- Zaandam in JulyThe Netherlands · 22 kmHigh 20.5°C · Low 14.9°C · 79 mm rain
- Haarlem in JulyThe Netherlands · 29 kmHigh 20.0°C · Low 15.1°C · 79 mm rain
- Amsterdam in JulyThe Netherlands · 30 kmHigh 20.8°C · Low 14.7°C · 82 mm rain
- Hoofddorp in JulyThe Netherlands · 37 kmHigh 20.5°C · Low 14.9°C · 83 mm rain
- Amstelveen in JulyThe Netherlands · 38 kmHigh 21.1°C · Low 14.6°C · 83 mm rain
- Almere Stad in JulyThe Netherlands · 43 kmHigh 21.7°C · Low 14.4°C · 82 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.