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Weather & Climate in Rauma, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rauma has a cool climate with an average annual temperature of 40°F (5°C). Winters average 23°F in January while summers reach 61°F in July. The area gets 293 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 23.6 inches (drier than the 38-inch national average). The area receives 8.7 inches of snow annually. The city sits at an elevation of 46 feet.
Temperature
23°F Jan (-5°C)
61°F Jul (16°C)
| Annual Average | 40.4°F |
| 25% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 562.0 sq mi (1,455.7 km²) |
| Population Density | 69/sq mi |
| Coordinates | 61.1272°N, 21.5113°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.7.
| May 24, 1995 | 8 km ENE of Nagu, Finland | M2.7 | 105 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | |
| February | 22°F (-6°C) | 1.2 in | Coldest, Driest |
| March | 29°F (-2°C) | 1.4 in | |
| April | 37°F (3°C) | 1.5 in | |
| May | 48°F (9°C) | 1.2 in | |
| June | 56°F (14°C) | 2.0 in | |
| July | 61°F (16°C) | 2.7 in | Warmest |
| August | 59°F (15°C) | 2.8 in | Wettest |
| September | 50°F (10°C) | 2.4 in | |
| October | 42°F (5°C) | 2.5 in | |
| November | 33°F (1°C) | 2.4 in | |
| December | 27°F (-3°C) | 2.1 in |
Rauma has a seasonal temperature swing of 39°F / from 22°F in February to 61°F in July. Total annual precipitation is 23.6 inches, with August being the wettest month (2.8") and February the driest (1.2").