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Weather & Climate in Oskarshamn, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oskarshamn has a cool climate with an average annual temperature of 44°F (7°C). Winters average 29°F in January while summers reach 61°F in July. The area gets 295 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 22.5 inches (drier than the 38-inch national average). The area receives 6.6 inches of snow annually. The city sits at an elevation of 72 feet.
Temperature
29°F Jan (-2°C)
61°F Jul (16°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 72 ft (22 m) |
| Area | 600.4 sq mi (1,555.0 km²) |
| Population Density | 3,131/sq mi |
| Coordinates | 57.2646°N, 16.4484°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Sep 29, 2004 | 27 km SE of Västervik, Sweden | M3.7 | 52 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 1.7 in | |
| February | 29°F (-2°C) | 1.4 in | Coldest |
| March | 34°F (1°C) | 1.3 in | Driest |
| April | 40°F (5°C) | 1.5 in | |
| May | 50°F (10°C) | 1.5 in | |
| June | 58°F (14°C) | 2.1 in | |
| July | 61°F (16°C) | 2.5 in | Warmest, Wettest |
| August | 60°F (16°C) | 2.1 in | |
| September | 52°F (11°C) | 2.3 in | |
| October | 45°F (7°C) | 1.9 in | |
| November | 37°F (3°C) | 2.1 in | |
| December | 32°F (-0°C) | 2.2 in |
Oskarshamn has a seasonal temperature swing of 33°F / from 29°F in February to 61°F in July. Total annual precipitation is 22.5 inches, with July being the wettest month (2.5") and March the driest (1.3").