Average annual temperature is 4.5 °C
Absolute maximum temperature: 28 °C
Absolute minimum temperature: -19.6 °C
Number of sunny days: 107
Number of rainy days: 195
Number of snow days: 63
Average annual precipitation: 1490 mm
Look at detailed online map of Grong
* Weather data for Grong 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 | 7 | 5.2 | 13.8 | 21.7 | 28 | 27.1 | 26.2 | 24.4 | 12.4 | 4.3 | 8.3 |
| Average daytime temperature (°C) | 0.8 | 1.9 | -0.6 | 7.3 | 12 | 18.4 | 19.1 | 18.7 | 14.9 | 5 | -1.9 | -3.9 |
| Average temperature (°C) | -1.1 | -0.6 | -4.2 | 3.6 | 8.1 | 14 | 15.5 | 15 | 11.6 | 2.6 | -4.2 | -6.5 |
| Average night temperature (°C) | -3.5 | -4.1 | -8 | -0.4 | 3.7 | 9 | 11.6 | 11.5 | 8.4 | 0.6 | -6.8 | -9.3 |
| Absolute minimum temperature (°C) | -12.9 | -15.5 | -19.6 | -9.9 | -2.3 | 2 | 8.1 | 7.9 | 4 | -6.9 | -17.6 | -17.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 6.9 | 10 | 13.4 | 16.8 | 20.2 | 21.5 | 21.2 | 18.1 | 14.7 | 11.4 | 8 | 4.9 |
| Daylight mean duration (h) | 5.4 | 8.5 | 11.8 | 15.2 | 18.6 | 21.1 | 19.8 | 16.4 | 13.1 | 9.7 | 6.4 | 4.2 |
| Daylight minimum duration (h) | 4.2 | 7 | 10.1 | 13.6 | 16.9 | 20.3 | 18.2 | 14.8 | 11.5 | 8.1 | 5 | 3.9 |
| Sunshine mean duration (h) | 1.4 | 3.6 | 6.6 | 8.7 | 9.2 | 11.4 | 10.7 | 9.2 | 6.2 | 4.5 | 2.6 | 1.8 |
| Precipitation (mm) | 156 | 153 | 102 | 50 | 127 | 122 | 135 | 117 | 218 | 168 | 51 | 90 |
| Sunny days | 5 | 5 | 7 | 16 | 9 | 10 | 6 | 6 | 1 | 10 | 18 | 14 |
| Rainy days | 13 | 13 | 7 | 12 | 21 | 20 | 25 | 25 | 29 | 18 | 5 | 7 |
| Snow days | 13 | 10 | 17 | 2 | 1 | 3 | 7 | 10 |
The best time to visit Grong during the most sunny months:
Months with the longest average daylight duration in Grong:
The largest precipitation sum in Grong is at