Weather World
Sumy Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 27°F Lo 18°F | Hi 29°F Lo 20°F | Hi 40°F Lo 29°F | Hi 56°F Lo 40°F | Hi 67°F Lo 50°F | Hi 75°F Lo 57°F | Hi 79°F Lo 61°F | Hi 79°F Lo 60°F | Hi 67°F Lo 51°F | Hi 52°F Lo 41°F | Hi 41°F Lo 33°F | Hi 32°F Lo 25°F |
| 9 mph | 9 mph | 9 mph | 8 mph | 7 mph | 7 mph | 7 mph | 7 mph | 7 mph | 8 mph | 8 mph | 9 mph |
| 2 in | 1.5 in | 1.5 in | 1.9 in | 2.6 in | 2.9 in | 3.1 in | 1.7 in | 1.7 in | 2 in | 1.8 in | 2.3 in |
| 92% | 92% | 82% | 70% | 72% | 73% | 69% | 60% | 64% | 74% | 83% | 90% |
| 79% | 77% | 64% | 50% | 41% | 38% | 34% | 28% | 36% | 46% | 61% | 77% |
| 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 |
| 12 | 14 | 20 | 22 | 22 | 22 | 23 | 26 | 25 | 26 | 23 | 14 |
| 12 | 9 | 8 | 7 | 9 | 8 | 9 | 5 | 5 | 5 | 5 | 11 |
| 8 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
| 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 51 | 51 | 87 | 138 | 178 | 184 | 212 | 263 | 210 | 161 | 111 | 50 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -3°C Lo -8°C | Hi -2°C Lo -7°C | Hi 5°C Lo -2°C | Hi 13°C Lo 4°C | Hi 20°C Lo 10°C | Hi 24°C Lo 14°C | Hi 26°C Lo 16°C | Hi 26°C Lo 16°C | Hi 20°C Lo 11°C | Hi 11°C Lo 5°C | Hi 5°C Lo 1°C | Hi 0°C Lo -4°C |
| 15 km/h | 14 km/h | 14 km/h | 13 km/h | 12 km/h | 12 km/h | 11 km/h | 11 km/h | 12 km/h | 12 km/h | 13 km/h | 15 km/h |
| 51 mm | 38 mm | 37 mm | 48 mm | 66 mm | 73 mm | 79 mm | 43 mm | 42 mm | 50 mm | 47 mm | 59 mm |
| 92% | 92% | 82% | 70% | 72% | 73% | 69% | 60% | 64% | 74% | 83% | 90% |
| 79% | 77% | 64% | 50% | 41% | 38% | 34% | 28% | 36% | 46% | 61% | 77% |
| 1019 mb | 1019 mb | 1017 mb | 1015 mb | 1015 mb | 1014 mb | 1012 mb | 1015 mb | 1017 mb | 1020 mb | 1020 mb | 1019 mb |
| 12 | 14 | 20 | 22 | 22 | 22 | 23 | 26 | 25 | 26 | 23 | 14 |
| 12 | 9 | 8 | 7 | 9 | 8 | 9 | 5 | 5 | 5 | 5 | 11 |
| 8 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
| 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 51 | 51 | 87 | 138 | 178 | 184 | 212 | 263 | 210 | 161 | 111 | 50 |
| 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.