Bulgaria
Petrich sees feels-like daytime highs peak around 35.4°C in July and nighttime lows bottom out near -0.3°C in January. November is the wettest month (~44 mm), while August is the driest (~26 mm). For sunshine, July leads with about 90% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are September, May, and June — expect around 17.1–27.7°C with roughly 15% chance of rain on a given day in September.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -0.3° / 5.8° | 15% | 29 mm | 53% | 8.2 kph |
| February | 1.1° / 8° | 14% | 28 mm | 51% | 8.7 kph |
| March | 4.5° / 12.5° | 17% | 32 mm | 53% | 8.8 kph |
| April | 9.2° / 18.6° | 21% | 34 mm | 54% | 8.6 kph |
| May☀ | 14.4° / 25.8° | 26% | 39 mm | 61% | 8.1 kph |
| June☀ | 19.2° / 31.5° | 23% | 36 mm | 77% | 8.1 kph |
| July | 22.3° / 35.4° | 19% | 30 mm | 90% | 7.9 kph |
| August | 21.2° / 33.8° | 16% | 26 mm | 87% | 7.4 kph |
| September☀ | 17.1° / 27.7° | 15% | 29 mm | 74% | 7.4 kph |
| October | 11.5° / 20.8° | 17% | 40 mm | 60% | 7.5 kph |
| November | 5.5° / 12.9° | 19% | 44 mm | 52% | 7.7 kph |
| December | 1.1° / 7.2° | 18% | 41 mm | 51% | 8 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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