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Weather & Climate in Suomussalmi, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Suomussalmi has a cool climate with an average annual temperature of 34°F (1°C). Winters average 11°F in January while summers reach 59°F in July. The area gets 292 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 24.4 inches (drier than the 38-inch national average). The area receives 11.7 inches of snow annually. The city sits at an elevation of 633 feet.
Temperature
11°F Jan (-12°C)
59°F Jul (15°C)
| Annual Average | 33.6°F |
| 38% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 633 ft (193 m) |
| Area | 2,680.9 sq mi (6,943.6 km²) |
| Population Density | 3/sq mi |
| Coordinates | 64.8869°N, 28.9078°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Mar 25, 1992 | 5 km N of Kostomuksha, Russia | M3.9 | 85 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 1.5 in | Coldest |
| February | 12°F (-11°C) | 1.3 in | Driest |
| March | 22°F (-6°C) | 1.4 in | |
| April | 31°F (-0°C) | 1.3 in | |
| May | 44°F (7°C) | 1.8 in | |
| June | 55°F (13°C) | 2.4 in | |
| July | 59°F (15°C) | 3.0 in | Warmest |
| August | 54°F (12°C) | 3.0 in | Wettest |
| September | 45°F (7°C) | 2.5 in | |
| October | 34°F (1°C) | 2.2 in | |
| November | 22°F (-5°C) | 2.2 in | |
| December | 14°F (-10°C) | 1.8 in |
Suomussalmi has a seasonal temperature swing of 49°F / from 11°F in January to 59°F in July. Total annual precipitation is 24.4 inches, with August being the wettest month (3.0") and February the driest (1.3").