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Weather & Climate in Trondheim, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trondheim has a cool climate with an average annual temperature of 41°F (5°C). Winters average 27°F in January while summers reach 57°F in July. The area gets 266 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 38.4 inches. The area receives 15.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 59 feet.
Temperature
27°F Jan (-3°C)
57°F Jul (14°C)
| Annual Average | 40.8°F |
| 24% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 22.2 sq mi (57.5 km²) |
| Population Density | 9,636/sq mi |
| Coordinates | 63.4305°N, 10.3951°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.8.
| Jul 12, 1993 | 26 km N of Sistranda, Norway | M2.8 | 98 km | 10 km |
| Dec 12, 1994 | 55 km W of Lauvsnes, Norway | M2.8 | 126 km | 10 km |
| Jan 22, 1992 | 5 km NNE of Fillan, Norway | M2.7 | 72 km | 10 km |
| Feb 26, 2005 | 21 km ENE of Sistranda, Norway | M2.7 | 68 km | 0 km |
| Feb 26, 2005 | 19 km NW of Brekstad, Norway | M2.6 | 66 km | 0 km |
| May 28, 1991 | 5 km NE of Fillan, Norway | M2.5 | 71 km | 10 km |
| Feb 26, 2005 | 22 km NW of Brekstad, Norway | M2.5 | 69 km | 0 km |
| Feb 26, 2005 | 14 km W of Brekstad, Norway | M2.5 | 59 km | 15 km |
| Apr 20, 1994 | 21 km NW of Å i Åfjord, Norway | M2.5 | 79 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 38.0 m (125 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1756 | WESTERN NORWAY | Meteorological | 38.0 m | 32 | 146 km |
| 2014 | STATLAND | Meteorological | 8.2 m | - | 124 km |
| 1888 | MID-NORWAY | Meteorological | 7.0 m | 1 | 1 km |
| 1978 | NORWAY: RISSA | Meteorological | 6.8 m | 1 | 27 km |
| 1930 | MID-NORWAY | Meteorological | - | - | 30 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.2 in | Coldest |
| February | 28°F (-2°C) | 2.8 in | |
| March | 32°F (0°C) | 2.5 in | |
| April | 38°F (3°C) | 2.3 in | |
| May | 47°F (9°C) | 2.1 in | Driest |
| June | 53°F (12°C) | 2.9 in | |
| July | 57°F (14°C) | 3.5 in | Warmest |
| August | 56°F (13°C) | 3.5 in | |
| September | 49°F (9°C) | 4.3 in | Wettest |
| October | 41°F (5°C) | 4.1 in | |
| November | 33°F (1°C) | 3.2 in | |
| December | 28°F (-2°C) | 4.0 in |
Trondheim has a seasonal temperature swing of 29°F / from 27°F in January to 57°F in July. Total annual precipitation is 38.3 inches, with September being the wettest month (4.3") and May the driest (2.1").