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Weather & Climate in Tretten, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tretten has a cool climate with an average annual temperature of 37°F (3°C). Winters average 19°F in January while summers reach 58°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 25.5 inches (drier than the 38-inch national average). The area receives 7.9 inches of snow annually. The city sits at an elevation of 984 feet.
Temperature
19°F Jan (-7°C)
58°F Jul (14°C)
| Annual Average | 36.8°F |
| 32% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 984 ft (300 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 1,867/sq mi |
| Coordinates | 61.3142°N, 10.3007°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 139 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 112 km | 23 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 123 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 140 km | 15 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 75 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 102 km | 5 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 94 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 133 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 132 km | 10 km |
| Jan 6, 1991 | 2 km ESE of Farnes, Norway | M2.6 | 131 km | 10 km |
| Nov 25, 1992 | 45 km E of Farnes, Norway | M2.5 | 88 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 7.0 m (23 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1983 | WESTERN NORWAY | Meteorological | 7.0 m | — | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 1.7 in | Coldest |
| February | 20°F (-7°C) | 1.1 in | Driest |
| March | 27°F (-3°C) | 1.4 in | |
| April | 36°F (2°C) | 1.1 in | |
| May | 46°F (8°C) | 1.9 in | |
| June | 54°F (12°C) | 2.9 in | |
| July | 58°F (14°C) | 3.2 in | Warmest, Wettest |
| August | 55°F (13°C) | 3.1 in | |
| September | 46°F (8°C) | 2.6 in | |
| October | 36°F (2°C) | 2.7 in | |
| November | 26°F (-3°C) | 2.2 in | |
| December | 20°F (-7°C) | 1.6 in |
Tretten has a seasonal temperature swing of 39°F / from 19°F in January to 58°F in July. Total annual precipitation is 25.5 inches, with July being the wettest month (3.2") and February the driest (1.1").