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Weather & Climate in Ii, Finland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ii has a cool climate with an average annual temperature of 35°F (2°C). Winters average 13°F in January while summers reach 60°F in July. The area gets 298 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 20.9 inches (drier than the 38-inch national average). The area receives 10.6 inches of snow annually. The city sits at an elevation of 39 feet.
Temperature
13°F Jan (-11°C)
60°F Jul (16°C)
| Annual Average | 34.9°F |
| 35% below US avg | |
| January Average | 13°F (-11°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 298 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 1,592.4 sq mi (4,124.3 km²) |
| Population Density | 6/sq mi |
| Coordinates | 65.3174°N, 25.3731°W |
| Timezone | Europe/Helsinki |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Mar 19, 2016 | 56 km ESE of Piteå, Sweden | M4.2 | 137 km | 15 km |
| Jun 27, 2018 | 15 km SSW of Rolfs, Sweden | M3.5 | 121 km | 10 km |
| Jun 6, 1991 | 41 km ESE of Luleå, Sweden | M3.1 | 115 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-11°C) | 1.5 in | Coldest |
| February | 13°F (-11°C) | 1.2 in | |
| March | 22°F (-5°C) | 1.1 in | |
| April | 32°F (-0°C) | 1.0 in | Driest |
| May | 43°F (6°C) | 1.4 in | |
| June | 55°F (13°C) | 1.9 in | |
| July | 60°F (16°C) | 2.5 in | Warmest, Wettest |
| August | 56°F (13°C) | 2.5 in | |
| September | 46°F (8°C) | 2.1 in | |
| October | 35°F (2°C) | 2.1 in | |
| November | 25°F (-4°C) | 1.9 in | |
| December | 18°F (-8°C) | 1.7 in |
Ii has a seasonal temperature swing of 47°F / from 13°F in January to 60°F in July. Total annual precipitation is 21.0 inches, with July being the wettest month (2.5") and April the driest (1.0").