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Weather & Climate in Alta, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alta has a cool climate with an average annual temperature of 33°F (1°C). Winters average 15°F in January while summers reach 56°F in July. The area gets 305 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 17.1 inches (drier than the 38-inch national average). The area receives 8.9 inches of snow annually. The city sits at an elevation of 213 feet.
Temperature
15°F Jan (-9°C)
56°F Jul (13°C)
| Annual Average | 33.1°F |
| 39% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 213 ft (65 m) |
| Area | 3.6 sq mi (9.3 km²) |
| Population Density | 4,205/sq mi |
| Coordinates | 69.9689°N, 23.2717°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 21, 1996 | 42 km NNE of Kautokeino, Norway | M3.7 | 66 km | 10 km |
| Nov 26, 1992 | 48 km NNW of Kautokeino, Norway | M2.9 | 73 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1959 | NORTHERN NORWAY | Meteorological | 4.0 m | 9 | 92 km |
| 2015 | NORTHERN NORWAY | Meteorological | — | — | 92 km |
| 1810 | NORTHERN NORWAY | Meteorological | — | 14 | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 1.4 in | Coldest |
| February | 16°F (-9°C) | 1.1 in | |
| March | 22°F (-6°C) | 1.0 in | |
| April | 29°F (-2°C) | 0.9 in | Driest |
| May | 40°F (4°C) | 1.0 in | |
| June | 50°F (10°C) | 1.4 in | |
| July | 56°F (13°C) | 2.1 in | Warmest, Wettest |
| August | 53°F (11°C) | 1.9 in | |
| September | 44°F (7°C) | 1.7 in | |
| October | 33°F (1°C) | 1.8 in | |
| November | 23°F (-5°C) | 1.3 in | |
| December | 18°F (-8°C) | 1.4 in |
Alta has a seasonal temperature swing of 41°F / from 15°F in January to 56°F in July. Total annual precipitation is 17.1 inches, with July being the wettest month (2.1") and April the driest (0.9").