Average annual temperature is 3.7 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -30.7 °C
Number of sunny days: 167 days
Number of rainy days: 126 days
Number of snow days: 72 days
Look at detailed online map of Bol'shiye Syry
* Weather data for Bol'shiye Syry Russia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 0.7 | 1.8 | 16.2 | 21.2 | 26.8 | 35.2 | 31.9 | 27.3 | 21.9 | 18.3 | 11.1 | 3.0 |
| Average daytime temperature (°C) | -9.2 | -6.3 | 5.0 | 6.4 | 15.4 | 24.3 | 24.8 | 22.7 | 16.3 | 9.4 | -2.7 | -10.2 |
| Average temperature (°C) | -12.3 | -10.1 | -0.3 | 1.2 | 10.1 | 18.7 | 20.0 | 18.1 | 11.7 | 4.9 | -5.7 | -13.4 |
| Average night temperature (°C) | -15.8 | -13.7 | -5.3 | -4.6 | 4.2 | 13.0 | 15.1 | 13.5 | 7.0 | 0.4 | -9.0 | -17.3 |
| Absolute minimum temperature (°C) | -29.1 | -19.8 | -12.9 | -14.4 | -1.4 | 5.4 | 10.3 | 6.5 | -0.2 | -9.1 | -16.3 | -30.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.0 | 6.7 | 8.9 | 9.1 | 11.1 | 13.0 | 12.6 | 10.8 | 9.2 | 7.0 | 4.1 | 3.3 |
| Precipitation (mm) | 16 | 8 | 18 | 25 | 49 | 65 | 96 | 70 | 50 | 29 | 27 | 29 |
| Sunny days | 14 | 20 | 18 | 13 | 8 | 13 | 9 | 11 | 11 | 19 | 15 | 16 |
| Rainy days | 2 | 0 | 5 | 5 | 21 | 17 | 22 | 20 | 19 | 9 | 3 | 3 |
| Snow days | 15 | 8 | 8 | 12 | 2 | 0 | 0 | 0 | 0 | 3 | 12 | 12 |
The best time to visit Bol'shiye Syry during the most sunny months:
Months with the longest average daylight duration in Bol'shiye Syry:
The largest precipitation sum in Bol'shiye Syry is at