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Weather & Climate in Hietalahti, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hietalahti has a cool climate with an average annual temperature of 39°F (4°C). Winters average 21°F in January while summers reach 61°F in July. The area gets 299 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 20.6 inches (drier than the 38-inch national average). The area receives 8.5 inches of snow annually. The city sits at an elevation of 7 feet.
Temperature
21°F Jan (-6°C)
61°F Jul (16°C)
| Annual Average | 39.1°F |
| 28% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 375.4 sq mi (972.4 km²) |
| Population Density | 13/sq mi |
| Coordinates | 63.0848°N, 21.6172°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| May 22, 1992 | 33 km E of Sävar, Sweden | M3.8 | 94 km | 10 km |
| Apr 16, 1992 | 21 km W of Robertsfors, Sweden | M2.9 | 139 km | 10 km |
| Aug 22, 1990 | 5 km NNW of Sävar, Sweden | M2.6 | 111 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 1.4 in | |
| February | 20°F (-7°C) | 1.0 in | Coldest, Driest |
| March | 27°F (-3°C) | 1.1 in | |
| April | 35°F (2°C) | 1.1 in | |
| May | 47°F (8°C) | 1.2 in | |
| June | 56°F (13°C) | 1.7 in | |
| July | 61°F (16°C) | 2.4 in | Warmest |
| August | 58°F (14°C) | 2.2 in | |
| September | 49°F (10°C) | 2.4 in | Wettest |
| October | 40°F (5°C) | 2.2 in | |
| November | 31°F (-0°C) | 2.1 in | |
| December | 25°F (-4°C) | 1.7 in |
Hietalahti has a seasonal temperature swing of 41°F / from 20°F in February to 61°F in July. Total annual precipitation is 20.6 inches, with September being the wettest month (2.4") and February the driest (1.0").