Best Time to Hike ST516a Devil's Gorge detour
Month-by-month temperatures and rainfall for ST516a Devil's Gorge detour, Bulgaria, based on 2-year climate normals.
Month-by-month weather on ST516a Devil's Gorge detour
| Month | Avg high | Avg low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 42°F6°C | 26°F-3°C | 41 mm | 5 |
| February | 44°F7°C | 28°F-2°C | 34 mm | 7 |
| March | 52°F11°C | 34°F1°C | 77 mm | 15 |
| April | 58°F14°C | 38°F3°C | 78 mm | 12 |
| May | 61°F16°C | 44°F7°C | 132 mm | 18 |
| June | 76°F25°C | 55°F13°C | 33 mm | 6 |
| July | 80°F27°C | 58°F15°C | 47 mm | 7 |
| August | 77°F25°C | 55°F13°C | 36 mm | 6 |
| September | 70°F21°C | 50°F10°C | 48 mm | 7 |
| October | 59°F15°C | 41°F5°C | 86 mm | 8 |
| November | 52°F11°C | 36°F2°C | 66 mm | 11 |
| December | 44°F7°C | 30°F-1°C | 74 mm | 8 |
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 ST516a Devil's Gorge detour are June, August, September. Expect daytime highs around 75°F24°C and nights near 54°F12°C.
Pack flexible layers and a reliable rain shell — conditions can shift quickly in the mountains.
Full route guide, interactive map and free GPX download.
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