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Weather & Climate in Mäntsälä, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mäntsälä has a cool climate with an average annual temperature of 40°F (4°C). Winters average 21°F in January while summers reach 62°F in July. The area gets 289 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 26.1 inches (drier than the 38-inch national average). The area receives 9.8 inches of snow annually. The city sits at an elevation of 194 feet.
Temperature
21°F Jan (-6°C)
62°F Jul (16°C)
| Annual Average | 39.6°F |
| 27% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 62°F (16°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 194 ft (59 m) |
| Area | 224.3 sq mi (580.9 km²) |
| Population Density | 93/sq mi |
| Coordinates | 60.6333°N, 25.3167°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.6.
| Mar 19, 2011 | Finland | M2.6 | 7 km | 3 km |
| Nov 23, 1994 | 14 km NNW of Aseri, Estonia | M2.5 | 143 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.0 in | |
| February | 19°F (-7°C) | 1.4 in | Coldest |
| March | 27°F (-3°C) | 1.5 in | |
| April | 37°F (3°C) | 1.4 in | |
| May | 50°F (10°C) | 1.3 in | Driest |
| June | 58°F (15°C) | 2.1 in | |
| July | 62°F (16°C) | 2.9 in | Warmest |
| August | 58°F (15°C) | 3.2 in | Wettest |
| September | 49°F (9°C) | 2.7 in | |
| October | 40°F (5°C) | 2.7 in | |
| November | 31°F (-0°C) | 2.6 in | |
| December | 25°F (-4°C) | 2.2 in |
Mäntsälä has a seasonal temperature swing of 42°F / from 19°F in February to 62°F in July. Total annual precipitation is 26.1 inches, with August being the wettest month (3.2") and May the driest (1.3").