Average annual temperature is 7.9 °C
Absolute maximum temperature: 27.6 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 135 days
Number of rainy days: 202 days
Number of snow days: 28 days
Look at detailed online map of Järn
* Weather data for Järn Sweden is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.7 | 9.4 | 10.6 | 18.8 | 24.3 | 27.6 | 25.3 | 24.0 | 23.7 | 16.5 | 9.7 | 8.0 |
| Average daytime temperature (°C) | 3.3 | 4.5 | 4.2 | 11.0 | 17.5 | 22.5 | 18.2 | 18.6 | 18.6 | 9.9 | 3.8 | 1.4 |
| Average temperature (°C) | 1.8 | 1.6 | 1.1 | 6.0 | 11.7 | 17.3 | 15.1 | 15.7 | 15.5 | 7.6 | 2.0 | -0.3 |
| Average night temperature (°C) | 0.0 | -1.0 | -2.1 | 1.2 | 6.1 | 11.5 | 12.2 | 13.1 | 12.8 | 5.2 | -0.1 | -2.4 |
| Absolute minimum temperature (°C) | -6.7 | -6.2 | -9.5 | -4.5 | 1.0 | 4.5 | 10.2 | 10.5 | 9.4 | 0.0 | -8.2 | -8.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 18.0 | 18.0 | 16.0 | 14.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.3 | 9.4 | 11.8 | 14.4 | 16.7 | 18.0 | 17.4 | 15.3 | 12.8 | 10.3 | 8.0 | 6.6 |
| Daylight minimum duration (h) | 6.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 14.0 | 11.0 | 9.0 | 7.0 | 6.0 |
| Sunshine mean duration (h) | 1.4 | 4.1 | 4.5 | 9.8 | 13.1 | 14.1 | 11.5 | 7.5 | 7.3 | 4.5 | 1.5 | 1.2 |
| Precipitation (mm) | 137 | 53 | 128 | 20 | 47 | 34 | 235 | 153 | 95 | 129 | 47 | 93 |
| Sunny days | 9 | 14 | 6 | 19 | 23 | 20 | 3 | 3 | 10 | 10 | 9 | 9 |
| Rainy days | 20 | 11 | 14 | 11 | 8 | 10 | 28 | 28 | 20 | 21 | 15 | 16 |
| Snow days | 2 | 3 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 |
The best time to visit Järn during the most sunny months:
Months with the longest average daylight duration in Järn:
The largest precipitation sum in Järn is at