Climate averages 1991–2020
Sliven weather
in July.
A warm, moderately wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Sliven: daytime highs average 27.7°C and nights cool to about 17.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 88 mm of rain on roughly 12 days, which makes July a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 59 min on an average July day.
The nearest other city in this atlas is Stara Zagora (63 km away). In July its highs average 28.7°C, 0.9°C warmer than Sliven, with 59 mm of rain.
Among the 10 cities listed in Bulgaria, Sliven ranks 5th of 10 for the warmest July highs and 10th of 10 for the driest July (rainfall, lowest first). The mean July high of those 10 cities is 27.6°C; Sliven is 0.2°C warmer than that mean.
From July to August, average highs rise by 0.4°C to 28.1°C, and monthly rainfall falls from 88 mm to 56 mm.
The annual picture
July 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
Sliven climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.4°C-1.4°C | -1.4°C | 53 | 7.7 | 9.49 h |
| February | 7.4°C-0.5°C | -0.5°C | 54 | 8.1 | 10.511 h |
| March | 11.2°C2.2°C | 2.2°C | 67 | 10.7 | 11.912 h |
| April | 16.4°C6.6°C | 6.6°C | 75 | 12.2 | 13.413 h |
| May | 21.4°C11.6°C | 11.6°C | 106 | 14.5 | 14.615 h |
| June | 25.3°C15.8°C | 15.8°C | 100 | 14.0 | 15.315 h |
| July, selected | 27.7°C17.9°C | 17.9°C | 88 | 11.6 | 15.015 h |
| August | 28.1°C17.9°C | 17.9°C | 56 | 8.0 | 13.914 h |
| September | 23.4°C14.1°C | 14.1°C | 58 | 7.8 | 12.513 h |
| October | 17.6°C9.6°C | 9.6°C | 63 | 7.8 | 11.111 h |
| November | 11.8°C4.8°C | 4.8°C | 58 | 7.4 | 9.810 h |
| December | 6.5°C0.2°C | 0.2°C | 63 | 8.6 | 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
July in nearby cities
- Stara Zagora in JulyBulgaria · 63 kmHigh 28.7°C · Low 17.8°C · 59 mm rain
- Shumen in JulyBulgaria · 81 kmHigh 27.2°C · Low 17.1°C · 54 mm rain
- Burgas in JulyBulgaria · 96 kmHigh 27.6°C · Low 18.9°C · 43 mm rain
- Edirne in JulyTurkey · 114 kmHigh 31.2°C · Low 19.0°C · 30 mm rain
- Ruse in JulyBulgaria · 133 kmHigh 28.9°C · Low 19.0°C · 64 mm rain
- Varna in JulyBulgaria · 142 kmHigh 27.1°C · Low 19.5°C · 40 mm rain
- Plovdiv in JulyBulgaria · 142 kmHigh 28.5°C · Low 17.7°C · 39 mm rain
- Pleven in JulyBulgaria · 161 kmHigh 29.0°C · Low 18.7°C · 70 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 Sliven) is explained once on the Sliven year overview and on the Sources, method and limits page.