Average annual temperature is 15.3 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -6.3 °C
Number of sunny days: 209 days
Number of rainy days: 154 days
Number of snow days: 2 days
Look at detailed online map of Источен
* Weather data for Источен 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) | 20.1 | 20.8 | 23.4 | 24.8 | 25.4 | 32.2 | 41.1 | 39.2 | 32.2 | 28.1 | 23.8 | 16.7 |
| Average daytime temperature (°C) | 9.8 | 11.6 | 15.2 | 17.5 | 20.9 | 27.6 | 34.7 | 33.0 | 28.0 | 23.2 | 14.3 | 9.6 |
| Average temperature (°C) | 6.2 | 6.1 | 9.6 | 12.1 | 16.4 | 22.1 | 28.5 | 27.1 | 22.2 | 17.3 | 9.9 | 5.1 |
| Average night temperature (°C) | 3.0 | 1.8 | 4.7 | 7.6 | 11.9 | 16.9 | 22.2 | 21.4 | 17.1 | 12.0 | 5.9 | 1.3 |
| Absolute minimum temperature (°C) | -1.2 | -6.3 | 1.4 | 2.4 | 6.7 | 12.6 | 17.3 | 16.7 | 13.6 | 5.9 | -2.8 | -1.9 |
| 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 | 13.8 | 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) | 4.9 | 8.1 | 8.4 | 9.1 | 9.4 | 12.6 | 13.3 | 11.7 | 10.0 | 9.2 | 6.1 | 5.2 |
| Precipitation (mm) | 76 | 20 | 25 | 62 | 75 | 59 | 1 | 8 | 25 | 6 | 66 | 59 |
| Sunny days | 18 | 19 | 17 | 7 | 5 | 14 | 25 | 22 | 20 | 26 | 14 | 22 |
| Rainy days | 13 | 7 | 14 | 23 | 26 | 16 | 6 | 9 | 10 | 5 | 16 | 9 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Источен during the most sunny months:
The largest precipitation sum in Источен is at