Average annual temperature is 4.4 °C
Absolute maximum temperature: 27.2 °C
Absolute minimum temperature: -24.7 °C
Number of sunny days: 123 days
Number of rainy days: 186 days
Number of snow days: 56 days
Look at detailed online map of Biso
* Weather data for Biso 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) | 7.2 | 9.9 | 11.4 | 11.5 | 19.0 | 20.3 | 22.3 | 27.2 | 22.6 | 15.7 | 14.4 | 7.6 |
| Average daytime temperature (°C) | -0.6 | -2.8 | 5.8 | 8.1 | 12.4 | 16.9 | 19.1 | 22.2 | 15.2 | 11.0 | 6.4 | 2.3 |
| Average temperature (°C) | -8.2 | -7.4 | 1.7 | 3.4 | 7.4 | 11.8 | 13.8 | 16.2 | 10.0 | 5.4 | 1.6 | -3.2 |
| Average night temperature (°C) | -14.9 | -12.9 | -2.5 | -1.2 | 2.1 | 6.0 | 7.7 | 10.1 | 4.8 | -0.1 | -3.3 | -9.6 |
| Absolute minimum temperature (°C) | -24.7 | -22.9 | -12.2 | -6.1 | -2.9 | 1.7 | 3.3 | 5.7 | -2.0 | -9.9 | -18.4 | -18.6 |
| 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 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 6.3 | 6.4 | 8.6 | 9.9 | 10.4 | 12.5 | 12.2 | 9.9 | 7.7 | 6.8 | 5.1 |
| Precipitation (mm) | 23 | 101 | 124 | 199 | 185 | 105 | 105 | 44 | 91 | 58 | 91 | 101 |
| Sunny days | 24 | 6 | 5 | 5 | 4 | 3 | 11 | 15 | 10 | 14 | 13 | 13 |
| Rainy days | 1 | 0 | 14 | 20 | 26 | 27 | 20 | 16 | 20 | 17 | 15 | 10 |
| Snow days | 6 | 22 | 12 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The best time to visit Biso during the most sunny months:
The largest precipitation sum in Biso is at