Best Time to Hike ST503 Yarlovo - Belchin
Month-by-month temperatures and rainfall for ST503 Yarlovo - Belchin, Bulgaria, based on 2-year climate normals.
Month-by-month weather on ST503 Yarlovo - Belchin
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 5.8°C / 42°F | -3.1°C / 26°F | 38 mm | 8 |
| February | 7.6°C / 46°F | -1.8°C / 29°F | 15 mm | 5 |
| March | 12.8°C / 55°F | 1.5°C / 35°F | 82 mm | 14 |
| April | 15.6°C / 60°F | 4.5°C / 40°F | 78 mm | 11 |
| May | 16.9°C / 62°F | 7.5°C / 46°F | 121 mm | 17 |
| June | 25.8°C / 78°F | 13.6°C / 56°F | 26 mm | 6 |
| July | 28.5°C / 83°F | 15.6°C / 60°F | 23 mm | 5 |
| August | 26.8°C / 80°F | 14.7°C / 58°F | 33 mm | 7 |
| September | 22.2°C / 72°F | 10.9°C / 52°F | 25 mm | 6 |
| October | 15.2°C / 59°F | 5.4°C / 42°F | 93 mm | 8 |
| November | 10.9°C / 52°F | 2.1°C / 36°F | 87 mm | 11 |
| December | 5.9°C / 43°F | -1.2°C / 30°F | 100 mm | 9 |
Highlighted rows are the recommended hiking window. Climate normals via Open-Meteo (2-year average). Mountain weather varies — always check a live forecast before you set off.
The best months to hike ST503 Yarlovo - Belchin are June, September. Expect daytime highs around 24°C (75°F) and nights near 12°C (54°F).
Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.
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