Annual Weather Averages in Sliven
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Sliven
High Temp: 32 °C
Low Temp: -1 °C
Mean Temp: 14 °C
Precipitation: 51.4 mm
Humidity: 74%
Dew Point: 9 °C
Wind: 20 km/h
Pressure: 101.66 kPa
Visibility: 19 km
January Climate & Weather Averages in Sliven
High Temp: 7 °C
Low Temp: -1 °C
Mean Temp: 3 °C
Precipitation: 50.2 mm
Humidity: 81%
Dew Point: -1 °C
Wind: 19 km/h
Pressure: 101.85 kPa
Visibility: 15 km
February Climate & Weather Averages in Sliven
High Temp: 10 °C
Low Temp: 1 °C
Mean Temp: 5 °C
Precipitation: 49.2 mm
Humidity: 80%
Dew Point: 2 °C
Wind: 19 km/h
Pressure: 101.92 kPa
Visibility: 15 km
March Climate & Weather Averages in Sliven
High Temp: 14 °C
Low Temp: 4 °C
Mean Temp: 9 °C
Precipitation: 53.3 mm
Humidity: 76%
Dew Point: 4 °C
Wind: 21 km/h
Pressure: 101.64 kPa
Visibility: 18 km
April Climate & Weather Averages in Sliven
High Temp: 19 °C
Low Temp: 8 °C
Mean Temp: 13 °C
Precipitation: 37.5 mm
Humidity: 73%
Dew Point: 8 °C
Wind: 21 km/h
Pressure: 101.51 kPa
Visibility: 20 km
May Climate & Weather Averages in Sliven
High Temp: 24 °C
Low Temp: 13 °C
Mean Temp: 18 °C
Precipitation: 85.3 mm
Humidity: 72%
Dew Point: 12 °C
Wind: 21 km/h
Pressure: 101.30 kPa
Visibility: 21 km
June Climate & Weather Averages in Sliven
High Temp: 28 °C
Low Temp: 17 °C
Mean Temp: 22 °C
Precipitation: 78.9 mm
Humidity: 71%
Dew Point: 16 °C
Wind: 19 km/h
Pressure: 101.31 kPa
Visibility: 22 km
July Climate & Weather Averages in Sliven
High Temp: 31 °C
Low Temp: 19 °C
Mean Temp: 25 °C
Precipitation: 26.5 mm
Humidity: 64%
Dew Point: 17 °C
Wind: 23 km/h
Pressure: 101.26 kPa
Visibility: 23 km
August Climate & Weather Averages in Sliven
High Temp: 32 °C
Low Temp: 19 °C
Mean Temp: 25 °C
Precipitation: 36.0 mm
Humidity: 62%
Dew Point: 17 °C
Wind: 23 km/h
Pressure: 101.41 kPa
Visibility: 23 km
September Climate & Weather Averages in Sliven
High Temp: 27 °C
Low Temp: 15 °C
Mean Temp: 21 °C
Precipitation: 34.4 mm
Humidity: 67%
Dew Point: 14 °C
Wind: 22 km/h
Pressure: 101.62 kPa
Visibility: 22 km
October Climate & Weather Averages in Sliven
High Temp: 20 °C
Low Temp: 10 °C
Mean Temp: 15 °C
Precipitation: 58.0 mm
Humidity: 76%
Dew Point: 10 °C
Wind: 18 km/h
Pressure: 101.95 kPa
Visibility: 19 km
November Climate & Weather Averages in Sliven
High Temp: 14 °C
Low Temp: 6 °C
Mean Temp: 10 °C
Precipitation: 44.3 mm
Humidity: 83%
Dew Point: 6 °C
Wind: 12 km/h
Pressure: 102.04 kPa
Visibility: 16 km
December Climate & Weather Averages in Sliven
High Temp: 9 °C
Low Temp: 1 °C
Mean Temp: 5 °C
Precipitation: 63.0 mm
Humidity: 81%
Dew Point: 1 °C
Wind: 21 km/h
Pressure: 102.12 kPa
Visibility: 16 km