Weather World
City of Helsinki, Finland
Helsinki Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 29°F Lo 22°F | Hi 28°F Lo 21°F | Hi 34°F Lo 27°F | Hi 44°F Lo 34°F | Hi 56°F Lo 44°F | Hi 64°F Lo 52°F | Hi 70°F Lo 58°F | Hi 68°F Lo 58°F | Hi 60°F Lo 52°F | Hi 48°F Lo 42°F | Hi 41°F Lo 36°F | Hi 34°F Lo 28°F |
| 11 mph | 10 mph | 10 mph | 9 mph | 8 mph | 9 mph | 8 mph | 9 mph | 10 mph | 11 mph | 11 mph | 12 mph |
| 2.2 in | 1.8 in | 1.7 in | 1.7 in | 2 in | 2.8 in | 3.4 in | 3.3 in | 2.7 in | 2.3 in | 2.4 in | 2.5 in |
| 90% | 91% | 87% | 79% | 71% | 72% | 75% | 75% | 79% | 82% | 86% | 88% |
| 74% | 70% | 63% | 54% | 41% | 39% | 40% | 42% | 47% | 59% | 70% | 74% |
| 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in |
| 13 | 12 | 17 | 22 | 24 | 22 | 22 | 21 | 23 | 24 | 19 | 16 |
| 12 | 11 | 8 | 6 | 7 | 8 | 9 | 10 | 7 | 6 | 8 | 10 |
| 7 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5 |
| 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 63 | 74 | 104 | 135 | 183 | 184 | 188 | 177 | 148 | 111 | 78 | 65 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -6°C | Hi -2°C Lo -6°C | Hi 1°C Lo -3°C | Hi 6°C Lo 1°C | Hi 13°C Lo 7°C | Hi 18°C Lo 11°C | Hi 21°C Lo 15°C | Hi 20°C Lo 14°C | Hi 15°C Lo 11°C | Hi 9°C Lo 5°C | Hi 5°C Lo 2°C | Hi 1°C Lo -2°C |
| 17 km/h | 16 km/h | 16 km/h | 14 km/h | 13 km/h | 14 km/h | 13 km/h | 14 km/h | 16 km/h | 18 km/h | 18 km/h | 19 km/h |
| 55 mm | 46 mm | 43 mm | 43 mm | 52 mm | 72 mm | 86 mm | 84 mm | 69 mm | 59 mm | 61 mm | 62 mm |
| 90% | 91% | 87% | 79% | 71% | 72% | 75% | 75% | 79% | 82% | 86% | 88% |
| 74% | 70% | 63% | 54% | 41% | 39% | 40% | 42% | 47% | 59% | 70% | 74% |
| 1011 mb | 1013 mb | 1012 mb | 1014 mb | 1015 mb | 1013 mb | 1011 mb | 1013 mb | 1014 mb | 1013 mb | 1012 mb | 1010 mb |
| 13 | 12 | 17 | 22 | 24 | 22 | 22 | 21 | 23 | 24 | 19 | 16 |
| 12 | 11 | 8 | 6 | 7 | 8 | 9 | 10 | 7 | 6 | 8 | 10 |
| 7 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5 |
| 1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 |
| 63 | 74 | 104 | 135 | 183 | 184 | 188 | 177 | 148 | 111 | 78 | 65 |
| 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.