Average annual temperature is 7 °C
Absolute maximum temperature: 27.7 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 103
Number of rainy days: 230
Number of snow days: 32
Average annual precipitation: 2454 mm
Look at detailed online map of Isdalstø
* Weather data for Isdalstø Norway is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.3 | 8.6 | 11.6 | 17.8 | 18.3 | 27.7 | 26 | 24 | 23.5 | 14.8 | 12.4 | 9.4 |
| Average daytime temperature (°C) | 3.2 | 5.7 | 4.8 | 11.2 | 12.9 | 20.7 | 17.9 | 17.8 | 16.2 | 9.3 | 4.2 | 1.5 |
| Average temperature (°C) | 1 | 3.2 | 0.7 | 6.2 | 9 | 15.3 | 14.5 | 14.4 | 13 | 6.3 | 1 | -1.3 |
| Average night temperature (°C) | -1.4 | 0.2 | -3.7 | 0.7 | 4.7 | 9.4 | 11.1 | 11.3 | 9.8 | 3.6 | -1.8 | -4.6 |
| Absolute minimum temperature (°C) | -11.5 | -7.1 | -11.4 | -3.5 | -1.6 | 4.1 | 8.6 | 8.7 | 5.7 | -1.4 | -10 | -11.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.8 | 10.3 | 13.2 | 16 | 18.4 | 19.1 | 18.9 | 17 | 14.2 | 11.5 | 8.7 | 6.3 |
| Daylight mean duration (h) | 6.7 | 9.1 | 11.8 | 14.7 | 17.3 | 18.9 | 18.1 | 15.7 | 12.9 | 10.1 | 7.5 | 5.9 |
| Daylight minimum duration (h) | 5.9 | 7.9 | 10.4 | 13.3 | 16.1 | 18.5 | 17.1 | 14.3 | 11.6 | 8.7 | 6.4 | 5.7 |
| Sunshine mean duration (h) | 2.4 | 4.1 | 7.3 | 9.6 | 9.7 | 13.2 | 9.5 | 9.1 | 6.9 | 5.9 | 4 | 2.1 |
| Precipitation (mm) | 331 | 246 | 187 | 59 | 108 | 60 | 325 | 255 | 341 | 202 | 99 | 240 |
| Sunny days | 5 | 5 | 7 | 15 | 8 | 18 | 3 | 1 | 4 | 16 | 16 | 5 |
| Rainy days | 19 | 22 | 13 | 15 | 23 | 12 | 28 | 30 | 26 | 15 | 13 | 14 |
| Snow days | 7 | 1 | 11 | 1 | 12 |
The best time to visit Isdalstø during the most sunny months:
Months with the longest average daylight duration in Isdalstø:
The largest precipitation sum in Isdalstø is at