Weather World
Sliven Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 41°F Lo 29°F | Hi 45°F Lo 32°F | Hi 53°F Lo 36°F | Hi 62°F Lo 43°F | Hi 70°F Lo 50°F | Hi 80°F Lo 59°F | Hi 86°F Lo 63°F | Hi 87°F Lo 64°F | Hi 78°F Lo 57°F | Hi 64°F Lo 48°F | Hi 55°F Lo 42°F | Hi 45°F Lo 33°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph |
| 2.5 in | 2.2 in | 2.2 in | 2.1 in | 3 in | 2.3 in | 1.3 in | 0.8 in | 1.1 in | 2.7 in | 2.1 in | 2.5 in |
| 82% | 80% | 74% | 72% | 74% | 67% | 56% | 51% | 58% | 68% | 76% | 80% |
| 48% | 48% | 45% | 39% | 37% | 29% | 21% | 16% | 23% | 31% | 37% | 44% |
| 30.1 in | 30.1 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in |
| 21 | 20 | 24 | 24 | 22 | 21 | 25 | 28 | 27 | 26 | 26 | 23 |
| 7 | 6 | 6 | 6 | 9 | 9 | 6 | 3 | 3 | 4 | 4 | 6 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 4 | 6 | 6 | 5 | 4 | 3 | 2 | 2 |
| 159 | 150 | 164 | 186 | 199 | 225 | 283 | 301 | 270 | 227 | 207 | 188 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 5°C Lo -2°C | Hi 7°C Lo -0°C | Hi 12°C Lo 3°C | Hi 16°C Lo 6°C | Hi 21°C Lo 10°C | Hi 26°C Lo 15°C | Hi 30°C Lo 17°C | Hi 31°C Lo 18°C | Hi 25°C Lo 14°C | Hi 18°C Lo 9°C | Hi 13°C Lo 5°C | Hi 7°C Lo 1°C |
| 9 km/h | 10 km/h | 10 km/h | 9 km/h | 9 km/h | 8 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 8 km/h | 9 km/h |
| 64 mm | 56 mm | 56 mm | 52 mm | 76 mm | 59 mm | 32 mm | 19 mm | 29 mm | 69 mm | 54 mm | 64 mm |
| 82% | 80% | 74% | 72% | 74% | 67% | 56% | 51% | 58% | 68% | 76% | 80% |
| 48% | 48% | 45% | 39% | 37% | 29% | 21% | 16% | 23% | 31% | 37% | 44% |
| 1019 mb | 1019 mb | 1017 mb | 1015 mb | 1014 mb | 1014 mb | 1013 mb | 1014 mb | 1016 mb | 1020 mb | 1019 mb | 1020 mb |
| 21 | 20 | 24 | 24 | 22 | 21 | 25 | 28 | 27 | 26 | 26 | 23 |
| 7 | 6 | 6 | 6 | 9 | 9 | 6 | 3 | 3 | 4 | 4 | 6 |
| 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 4 | 4 | 6 | 6 | 5 | 4 | 3 | 2 | 2 |
| 159 | 150 | 164 | 186 | 199 | 225 | 283 | 301 | 270 | 227 | 207 | 188 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.