Average annual temperature is 14.5 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 203 days
Number of rainy days: 159 days
Number of snow days: 3 days
Look at detailed online map of Sveti Vlas
* Weather data for Sveti Vlas 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) | 17.5 | 18.6 | 18.1 | 20.0 | 24.6 | 27.2 | 32.8 | 32.9 | 29.6 | 29.4 | 24.7 | 20.2 |
| Average daytime temperature (°C) | 9.9 | 9.2 | 11.4 | 14.5 | 18.2 | 24.3 | 28.0 | 28.1 | 24.8 | 22.4 | 15.5 | 11.2 |
| Average temperature (°C) | 7.5 | 4.9 | 8.1 | 10.9 | 15.0 | 20.5 | 24.0 | 24.3 | 21.6 | 17.8 | 11.6 | 7.5 |
| Average night temperature (°C) | 5.3 | 1.6 | 4.7 | 7.7 | 12.1 | 16.7 | 19.6 | 20.7 | 18.4 | 13.6 | 7.7 | 4.1 |
| Absolute minimum temperature (°C) | -0.6 | -4.5 | 0.7 | 3.5 | 8.4 | 13.3 | 15.5 | 16.2 | 14.9 | 7.9 | 0.9 | -0.1 |
| 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 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 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) | 4.7 | 7.0 | 6.8 | 9.0 | 11.5 | 13.4 | 13.3 | 12.5 | 10.9 | 9.0 | 5.9 | 5.3 |
| Precipitation (mm) | 26 | 26 | 64 | 97 | 69 | 31 | 26 | 35 | 20 | 7 | 133 | 63 |
| Sunny days | 13 | 17 | 11 | 9 | 14 | 16 | 22 | 26 | 19 | 26 | 10 | 20 |
| Rainy days | 17 | 9 | 20 | 21 | 17 | 14 | 9 | 5 | 11 | 5 | 20 | 11 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sveti Vlas during the most sunny months:
Months with the longest average daylight duration in Sveti Vlas:
The largest precipitation sum in Sveti Vlas is at