Climate averages 1991–2020
Stara Zagora weather
in May.
A warm, moderately wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Stara Zagora: daytime highs average 22.0°C and nights cool to about 11.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 81 mm of rain on roughly 13 days, which makes May a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 35 min on an average May day.
The nearest other city in this atlas is Sliven (63 km away). In May its highs average 21.4°C, 0.7°C cooler than Stara Zagora, with 106 mm of rain.
Among the 10 cities listed in Bulgaria, Stara Zagora ranks 3rd of 10 for the warmest May highs and 9th of 10 for the driest May (rainfall, lowest first). The mean May high of those 10 cities is 21.2°C; Stara Zagora is 0.9°C warmer than that mean.
From May to June, average highs rise by 4.1°C to 26.1°C, and monthly rainfall falls from 81 mm to 68 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Stara Zagora climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.6°C-2.5°C | -2.5°C | 49 | 7.8 | 9.59 h |
| February | 8.0°C-1.1°C | -1.1°C | 47 | 7.4 | 10.511 h |
| March | 12.0°C2.0°C | 2.0°C | 60 | 9.4 | 11.912 h |
| April | 17.1°C6.3°C | 6.3°C | 60 | 11.0 | 13.313 h |
| May, selected | 22.0°C11.3°C | 11.3°C | 81 | 13.4 | 14.615 h |
| June | 26.1°C15.6°C | 15.6°C | 68 | 12.5 | 15.215 h |
| July | 28.7°C17.8°C | 17.8°C | 59 | 9.4 | 15.015 h |
| August | 29.2°C17.9°C | 17.9°C | 41 | 6.7 | 13.914 h |
| September | 24.3°C14.0°C | 14.0°C | 47 | 6.9 | 12.513 h |
| October | 18.3°C9.1°C | 9.1°C | 57 | 7.0 | 11.111 h |
| November | 12.1°C4.0°C | 4.0°C | 54 | 7.0 | 9.810 h |
| December | 6.7°C-0.7°C | -0.7°C | 60 | 8.4 | 9.19 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Sliven in MayBulgaria · 63 kmHigh 21.4°C · Low 11.6°C · 106 mm rain
- Plovdiv in MayBulgaria · 80 kmHigh 21.9°C · Low 11.2°C · 56 mm rain
- Edirne in MayTurkey · 113 kmHigh 23.6°C · Low 11.9°C · 46 mm rain
- Pleven in MayBulgaria · 138 kmHigh 22.9°C · Low 12.5°C · 78 mm rain
- Shumen in MayBulgaria · 140 kmHigh 20.9°C · Low 10.5°C · 61 mm rain
- Burgas in MayBulgaria · 150 kmHigh 20.9°C · Low 12.1°C · 47 mm rain
- Ruse in MayBulgaria · 160 kmHigh 22.9°C · Low 12.7°C · 65 mm rain
- Lüleburgaz in MayTurkey · 182 kmHigh 22.8°C · Low 11.8°C · 42 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Stara Zagora) is explained once on the Stara Zagora year overview and on the Sources, method and limits page.