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Weather & Climate in Viherlaakso, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Viherlaakso has a cool climate with an average annual temperature of 41°F (5°C). Winters average 23°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 25.8 inches (drier than the 38-inch national average). The area receives 9.8 inches of snow annually. The city sits at an elevation of 177 feet.
Temperature
23°F Jan (-5°C)
62°F Jul (17°C)
| Annual Average | 40.9°F |
| 24% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 177 ft (54 m) |
| Area | 317.6 sq mi (822.5 km²) |
| Population Density | 16/sq mi |
| Coordinates | 60.2288°N, 24.7408°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.7.
| May 12, 2005 | 29 km SSE of Hanko, Finland | M2.7 | 114 km | 0 km |
| May 12, 2005 | 28 km SSE of Hanko, Finland | M2.7 | 110 km | 0 km |
| May 12, 2005 | 28 km SE of Hanko, Finland | M2.7 | 99 km | 0 km |
| May 24, 1995 | 8 km ENE of Nagu, Finland | M2.7 | 148 km | 10 km |
| Mar 9, 2005 | 30 km SSW of Dragsfjärd, Finland | M2.6 | 144 km | 0 km |
| Mar 19, 2011 | Finland | M2.6 | 49 km | 3 km |
| Nov 23, 1994 | 14 km NNW of Aseri, Estonia | M2.5 | 135 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.9 in | |
| February | 21°F (-6°C) | 1.4 in | Coldest |
| March | 28°F (-2°C) | 1.5 in | |
| April | 38°F (3°C) | 1.5 in | |
| May | 50°F (10°C) | 1.3 in | Driest |
| June | 58°F (15°C) | 1.9 in | |
| July | 62°F (17°C) | 2.7 in | Warmest |
| August | 59°F (15°C) | 3.1 in | Wettest |
| September | 50°F (10°C) | 2.6 in | |
| October | 42°F (5°C) | 2.9 in | |
| November | 33°F (1°C) | 2.8 in | |
| December | 27°F (-3°C) | 2.3 in |
Viherlaakso has a seasonal temperature swing of 41°F / from 21°F in February to 62°F in July. Total annual precipitation is 25.8 inches, with August being the wettest month (3.1") and May the driest (1.3").