Average annual temperature is 14.6 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 202 days
Number of rainy days: 161 days
Number of snow days: 2 days
Look at detailed online map of Biser
* Weather data for Biser 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 | 19.8 | 20.1 | 21.3 | 26.2 | 31.9 | 38.8 | 36.6 | 33.6 | 29.1 | 23.7 | 20.4 |
| Average daytime temperature (°C) | 9.7 | 10.4 | 13.9 | 16.3 | 20.7 | 27.2 | 32.7 | 32.3 | 27.7 | 23.7 | 16.2 | 10.9 |
| Average temperature (°C) | 5.8 | 4.4 | 8.5 | 11.0 | 15.4 | 21.2 | 26.4 | 25.9 | 21.6 | 17.0 | 11.1 | 5.6 |
| Average night temperature (°C) | 2.3 | -0.5 | 3.5 | 6.1 | 10.6 | 15.0 | 19.6 | 20.0 | 16.2 | 10.9 | 6.1 | 1.1 |
| Absolute minimum temperature (°C) | -3.6 | -7.2 | -1.9 | 2.3 | 5.3 | 11.0 | 14.8 | 15.9 | 12.3 | 4.5 | -1.9 | -3.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 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) | 4.7 | 8.0 | 8.0 | 8.7 | 10.2 | 13.2 | 13.3 | 12.1 | 10.6 | 8.9 | 6.0 | 5.3 |
| Precipitation (mm) | 66 | 20 | 46 | 179 | 117 | 30 | 12 | 7 | 41 | 6 | 87 | 46 |
| Sunny days | 13 | 21 | 14 | 4 | 6 | 14 | 23 | 23 | 19 | 26 | 16 | 23 |
| Rainy days | 18 | 5 | 17 | 26 | 25 | 16 | 8 | 8 | 11 | 5 | 14 | 8 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Biser during the most sunny months:
The largest precipitation sum in Biser is at