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Weather & Climate in Kalkku, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kalkku has a cool climate with an average annual temperature of 39°F (4°C). Winters average 20°F in January while summers reach 61°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 24.1 inches (drier than the 38-inch national average). The area receives 8.2 inches of snow annually. The city sits at an elevation of 374 feet.
Temperature
20°F Jan (-7°C)
61°F Jul (16°C)
| Annual Average | 39.3°F |
| 27% below US avg | |
| January Average | 20°F (-7°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 374 ft (114 m) |
| Area | 351.9 sq mi (911.3 km²) |
| Population Density | 9/sq mi |
| Coordinates | 61.4961°N, 23.5796°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.6.
| Mar 19, 2011 | Finland | M2.6 | 138 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 20°F (-7°C) | 1.7 in | |
| February | 19°F (-7°C) | 1.2 in | Coldest, Driest |
| March | 27°F (-3°C) | 1.4 in | |
| April | 37°F (3°C) | 1.4 in | |
| May | 50°F (10°C) | 1.4 in | |
| June | 58°F (14°C) | 2.2 in | |
| July | 61°F (16°C) | 3.1 in | Warmest, Wettest |
| August | 58°F (15°C) | 3.0 in | |
| September | 49°F (9°C) | 2.5 in | |
| October | 40°F (4°C) | 2.3 in | |
| November | 30°F (-1°C) | 2.1 in | |
| December | 23°F (-5°C) | 1.8 in |
Kalkku has a seasonal temperature swing of 42°F / from 19°F in February to 61°F in July. Total annual precipitation is 24.1 inches, with July being the wettest month (3.1") and February the driest (1.2").