Average annual temperature is 12.9 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 184 days
Number of rainy days: 177 days
Number of snow days: 4 days
Look at detailed online map of Shterna
* Weather data for Shterna Bulgaria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.0 | 17.1 | 18.5 | 17.2 | 22.4 | 29.3 | 35.5 | 36.1 | 32.6 | 27.0 | 22.3 | 16.2 |
| Average daytime temperature (°C) | 8.3 | 8.5 | 12.1 | 14.0 | 18.3 | 24.4 | 30.5 | 30.1 | 25.6 | 21.5 | 14.4 | 9.7 |
| Average temperature (°C) | 4.2 | 2.6 | 7.0 | 9.0 | 13.9 | 19.1 | 24.5 | 24.3 | 20.1 | 15.4 | 9.6 | 4.0 |
| Average night temperature (°C) | 0.8 | -2.0 | 2.1 | 4.1 | 9.8 | 13.6 | 17.6 | 18.9 | 15.0 | 9.7 | 4.3 | -0.6 |
| Absolute minimum temperature (°C) | -3.9 | -7.8 | -3.6 | -1.6 | 4.3 | 10.7 | 11.8 | 15.4 | 10.7 | 5.2 | -8.9 | -6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 8.5 | 8.2 | 8.6 | 10.3 | 13.0 | 13.3 | 11.7 | 10.2 | 9.1 | 6.5 | 5.7 |
| Precipitation (mm) | 110 | 21 | 24 | 121 | 83 | 74 | 12 | 7 | 25 | 12 | 72 | 76 |
| Sunny days | 11 | 22 | 11 | 5 | 6 | 14 | 17 | 21 | 16 | 25 | 13 | 23 |
| Rainy days | 17 | 5 | 20 | 25 | 25 | 16 | 14 | 10 | 14 | 6 | 17 | 8 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Shterna during the most sunny months:
The largest precipitation sum in Shterna is at