Climate averages 1991–2020
Weather in Bulgaria in May
In May, average daytime highs across the 10 cities listed in Bulgaria range from 18.9°C in Pernik to 22.9°C in Pleven. Monthly rainfall ranges from 44 mm in Varna to 106 mm in Sliven.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Bulgaria
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Sofia | 19.9°C10.3°C | 10.3°C | 70 | 13.5 |
| Plovdiv | 21.9°C11.2°C | 11.2°C | 56 | 9.9 |
| Varna | 19.9°C12.4°C | 12.4°C | 44 | 9.3 |
| Burgas | 20.9°C12.1°C | 12.1°C | 47 | 9.1 |
| Stara Zagora | 22.0°C11.3°C | 11.3°C | 81 | 13.4 |
| Ruse | 22.9°C12.7°C | 12.7°C | 65 | 10.8 |
| Pleven | 22.9°C12.5°C | 12.5°C | 78 | 11.1 |
| Sliven | 21.4°C11.6°C | 11.6°C | 106 | 14.5 |
| Pernik | 18.9°C8.9°C | 8.9°C | 52 | 10.5 |
| Shumen | 20.9°C10.5°C | 10.5°C | 61 | 10.9 |
A rain day is a local calendar day with at least 1 mm of precipitation.