Harmanli Climate: Weather by Month and Best Time to Visit
Best months for Harmanli: September, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 6°C | -2°C | 51 mm | 7 | – | – | 5.2 |
| February | 8°C | 0°C | 49 mm | 7 | – | – | 5.8 |
| March | 12°C | 3°C | 60 mm | 9 | – | – | 6.4 |
| April | 18°C | 7°C | 54 mm | 9 | – | – | 7.2 |
| May | 23°C | 12°C | 67 mm | 11 | – | – | 7.6 |
| June | 27°C | 16°C | 54 mm | 9 | – | – | 7.8 |
| July | 30°C | 18°C | 50 mm | 7 | – | – | 7.8 |
| August | 31°C | 18°C | 28 mm | 4 | – | – | 8.0 |
| September | 26°C | 14°C | 42 mm | 6 | – | – | 8.4 |
| October | 19°C | 9°C | 59 mm | 6 | – | – | 7.8 |
| November | 13°C | 4°C | 54 mm | 6 | – | – | 6.8 |
| December | 7°C | 0°C | 62 mm | 8 | – | – | 5.5 |