Average annual temperature is 7.8 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 140 days
Number of rainy days: 192 days
Number of snow days: 33 days
Look at detailed online map of Gru
* Weather data for Gru Georgia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.7 | 10.4 | 15.7 | 16.3 | 22.3 | 22.6 | 25.8 | 29.2 | 25.5 | 18.3 | 17.6 | 14.0 |
| Average daytime temperature (°C) | 2.8 | 0.5 | 9.5 | 12.2 | 15.9 | 19.3 | 21.6 | 25.3 | 18.4 | 14.2 | 10.2 | 5.6 |
| Average temperature (°C) | -3.1 | -3.9 | 4.3 | 6.8 | 10.9 | 14.9 | 16.7 | 19.5 | 13.2 | 8.3 | 4.9 | -0.2 |
| Average night temperature (°C) | -7.6 | -8.2 | -0.3 | 1.5 | 6.0 | 10.6 | 11.5 | 13.7 | 8.6 | 2.9 | 0.4 | -5.4 |
| Absolute minimum temperature (°C) | -15.2 | -13.9 | -6.9 | -3.7 | 0.2 | 7.6 | 6.4 | 10.1 | 4.0 | -3.0 | -6.7 | -14.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 5.5 | 6.9 | 7.9 | 9.8 | 10.4 | 12.2 | 12.1 | 9.8 | 7.9 | 7.0 | 5.2 |
| Precipitation (mm) | 13 | 92 | 96 | 357 | 173 | 244 | 113 | 36 | 98 | 45 | 59 | 99 |
| Sunny days | 23 | 7 | 8 | 6 | 3 | 3 | 12 | 16 | 11 | 19 | 16 | 16 |
| Rainy days | 0 | 1 | 22 | 23 | 28 | 27 | 19 | 15 | 19 | 12 | 12 | 14 |
| Snow days | 8 | 20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Gru during the most sunny months:
The largest precipitation sum in Gru is at