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Weather & Climate in Namsos, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Namsos has a cool climate with an average annual temperature of 41°F (5°C). Winters average 28°F in January while summers reach 58°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.5 inches (wetter than the 38-inch national average). The area receives 22.2 inches of snow annually, a moderate snowfall amount.
Temperature
28°F Jan (-2°C)
58°F Jul (15°C)
| Annual Average | 41.3°F |
| 24% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 244 days/yr |
Geography
| Area | 1.8 sq mi (4.5 km²) |
| Population Density | 4,780/sq mi |
| Coordinates | 64.4662°N, 11.4957°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Apr 26, 1992 | 4 km NE of Terråk, Norway | M3.3 | 85 km | 10 km |
| Jul 12, 1993 | 26 km N of Sistranda, Norway | M2.8 | 141 km | 10 km |
| Dec 12, 1994 | 55 km W of Lauvsnes, Norway | M2.8 | 85 km | 10 km |
| Feb 26, 2005 | 21 km ENE of Sistranda, Norway | M2.7 | 133 km | 0 km |
| Feb 26, 2005 | 19 km NW of Brekstad, Norway | M2.6 | 128 km | 0 km |
| Feb 26, 2005 | 22 km NW of Brekstad, Norway | M2.5 | 129 km | 0 km |
| Feb 26, 2005 | 14 km W of Brekstad, Norway | M2.5 | 133 km | 15 km |
| Apr 20, 1994 | 21 km NW of Å i Åfjord, Norway | M2.5 | 84 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: 8.2 m (27 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2014 | STATLAND | Meteorological | 8.2 m | - | 17 km |
| 1888 | MID-NORWAY | Meteorological | 7.0 m | 1 | 127 km |
| 1978 | NORWAY: RISSA | Meteorological | 6.8 m | 1 | 126 km |
| 1979 | NORTHERN NORWAY | Meteorological | 2.0 m | - | 83 km |
| 1952 | MID-NORWAY | Meteorological | 2.0 m | - | 64 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 5.1 in | Coldest |
| February | 28°F (-2°C) | 4.1 in | |
| March | 32°F (0°C) | 3.3 in | |
| April | 39°F (4°C) | 3.0 in | |
| May | 47°F (8°C) | 2.6 in | Driest |
| June | 54°F (12°C) | 3.3 in | |
| July | 58°F (15°C) | 3.9 in | Warmest |
| August | 57°F (14°C) | 4.1 in | |
| September | 50°F (10°C) | 5.8 in | Wettest |
| October | 42°F (5°C) | 5.7 in | |
| November | 33°F (1°C) | 4.5 in | |
| December | 29°F (-2°C) | 5.3 in |
Namsos has a seasonal temperature swing of 31°F / from 28°F in January to 58°F in July. Total annual precipitation is 50.5 inches, with September being the wettest month (5.8") and May the driest (2.6").