Average annual temperature is 11.6 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 108
Number of rainy days: 256
Number of snow days: 1
Average annual precipitation: 1292 mm
Look at detailed online map of Heemskerk
* Weather data for Heemskerk Netherlands is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.7 | 11.1 | 14.7 | 15.8 | 20.7 | 28.7 | 30.3 | 24.8 | 28.8 | 20.9 | 14.3 | 11.8 |
| Average daytime temperature (°C) | 7.6 | 8.3 | 8.9 | 11.5 | 15.8 | 22.1 | 20 | 19.9 | 21.7 | 15.5 | 10.2 | 8.6 |
| Average temperature (°C) | 6 | 5.8 | 6.7 | 8.3 | 12.4 | 18.2 | 17.7 | 17.4 | 18 | 13.6 | 8.4 | 7 |
| Average night temperature (°C) | 4.3 | 3.5 | 4.3 | 5.1 | 9 | 14.2 | 15.3 | 14.6 | 14.5 | 11.6 | 6.2 | 5.1 |
| Absolute minimum temperature (°C) | -2.8 | -2.8 | -2.4 | -0.7 | 5.3 | 9.7 | 12.5 | 11.7 | 10.8 | 5.9 | -2.6 | -3.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9 | 10.8 | 12.9 | 14.9 | 16.5 | 16.8 | 16.7 | 15.6 | 13.7 | 11.6 | 9.6 | 8 |
| Daylight mean duration (h) | 8.3 | 9.9 | 11.9 | 14 | 15.8 | 16.7 | 16.3 | 14.7 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.8 | 9.1 | 10.9 | 13 | 14.9 | 16.5 | 15.6 | 13.7 | 11.7 | 9.7 | 8.1 | 7.7 |
| Sunshine mean duration (h) | 4.1 | 5.1 | 5.8 | 9.4 | 11.6 | 12.6 | 11.7 | 10.4 | 9.3 | 5.8 | 4.2 | 3.3 |
| Precipitation (mm) | 144 | 35 | 116 | 94 | 61 | 9 | 147 | 116 | 94 | 175 | 166 | 134 |
| Sunny days | 6 | 11 | 4 | 9 | 18 | 21 | 2 | 7 | 17 | 8 | 2 | 3 |
| Rainy days | 25 | 17 | 27 | 21 | 13 | 9 | 29 | 24 | 13 | 23 | 28 | 27 |
The best time to visit Heemskerk during the most sunny months:
Months with the longest average daylight duration in Heemskerk:
The largest precipitation sum in Heemskerk is at