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Weather & Climate in Iitti, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Iitti has a cool climate with an average annual temperature of 39°F (4°C). Winters average 19°F in January while summers reach 62°F in July. The area gets 290 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 25.3 inches (drier than the 38-inch national average). The area receives 9.6 inches of snow annually. The city sits at an elevation of 262 feet.
Temperature
19°F Jan (-7°C)
62°F Jul (17°C)
| Annual Average | 39.3°F |
| 27% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 340.5 sq mi (881.8 km²) |
| Population Density | 19/sq mi |
| Coordinates | 60.8949°N, 26.3387°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.6.
| Mar 19, 2011 | Finland | M2.6 | 67 km | 3 km |
| Nov 23, 1994 | 14 km NNW of Aseri, Estonia | M2.5 | 149 km | 5 km |
| Jul 2, 2008 | 9 km NW of Joutseno, Finland | M2.5 | 115 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.9 in | |
| February | 18°F (-8°C) | 1.3 in | Coldest |
| March | 27°F (-3°C) | 1.5 in | |
| April | 37°F (3°C) | 1.3 in | Driest |
| May | 50°F (10°C) | 1.3 in | |
| June | 58°F (15°C) | 2.1 in | |
| July | 62°F (17°C) | 2.8 in | Warmest |
| August | 59°F (15°C) | 3.0 in | Wettest |
| September | 49°F (9°C) | 2.6 in | |
| October | 40°F (4°C) | 2.7 in | |
| November | 31°F (-1°C) | 2.5 in | |
| December | 23°F (-5°C) | 2.3 in |
Iitti has a seasonal temperature swing of 44°F / from 18°F in February to 62°F in July. Total annual precipitation is 25.3 inches, with August being the wettest month (3.0") and April the driest (1.3").