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Best Time for Bulgaria's Black Sea Coast
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Sweet spot: March, April, May. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Warm-water season brings the fullest resort services, while the old towns and museums still need time away from the beach. September festival dates and individual church opening hours must be checked for the chosen year.
- Nessebar and Sozopol remain rewarding heritage towns outside summer, but beach services thin out and several museums use shorter weekday-only schedules. Check each indoor stop for the travel date.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 0.1°C | 6.0°C | 61 mm | 9.2 h | ❄ |
| February | 1.0°C | 7.5°C | 44 mm | 10.3 h | ❄ |
| March | 3.4°C | 11.1°C | 44 mm | 11.7 h | |
| April | 6.9°C | 15.2°C | 33 mm | 13.2 h | |
| May | 12.6°C | 21.2°C | 44 mm | 14.4 h | |
| June | 17.5°C | 26.3°C | 49 mm | 15.1 h | |
| July | 20.2°C | 28.9°C | 47 mm | 14.8 h | |
| August | 20.4°C | 29.1°C | 27 mm | 13.7 h | |
| September | 16.5°C | 24.5°C | 52 mm | 12.3 h | |
| October | 11.5°C | 18.6°C | 66 mm | 10.8 h | |
| November | 6.9°C | 13.2°C | 45 mm | 9.5 h | |
| December | 2.0°C | 7.7°C | 61 mm | 8.9 h |