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Weather & Climate in Rissa, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rissa has a cool climate with an average annual temperature of 41°F (5°C). Winters average 32°F in January while summers reach 55°F in July. The area gets 180 sunny days per year. Annual precipitation totals 57.9 inches (wetter than the 38-inch national average). The area receives 94.2 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 108 feet.
Temperature
32°F Jan (0°C)
55°F Jul (13°C)
| Annual Average | 40.8°F |
| 24% below US avg | |
| January Average | 32°F (0°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 180 days/yr |
Geography
| Elevation | 108 ft (33 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 2,750/sq mi |
| Coordinates | 63.5837°N, 9.9599°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 | 71 km | 10 km |
| Dec 12, 1994 | 55 km W of Lauvsnes, Norway | M2.8 | 106 km | 10 km |
| Jan 22, 1992 | 5 km NNE of Fillan, Norway | M2.7 | 47 km | 10 km |
| Feb 26, 2005 | 21 km ENE of Sistranda, Norway | M2.7 | 41 km | 0 km |
| Feb 26, 2005 | 19 km NW of Brekstad, Norway | M2.6 | 38 km | 0 km |
| May 28, 1991 | 5 km NE of Fillan, Norway | M2.5 | 46 km | 10 km |
| Feb 26, 2005 | 22 km NW of Brekstad, Norway | M2.5 | 41 km | 0 km |
| Feb 26, 2005 | 14 km W of Brekstad, Norway | M2.5 | 32 km | 15 km |
| Apr 20, 1994 | 21 km NW of Å i Åfjord, Norway | M2.5 | 59 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 | 138 km |
| 2014 | STATLAND | Meteorological | 8.2 m | — | 117 km |
| 1888 | MID-NORWAY | Meteorological | 7.0 m | 1 | 27 km |
| 1978 | NORWAY: RISSA | Meteorological | 6.8 m | 1 | 3 km |
| 1930 | MID-NORWAY | Meteorological | — | — | 30 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 3.6 in | |
| February | 29°F (-2°C) | 3.1 in | Coldest |
| March | 33°F (0°C) | 2.6 in | |
| April | 38°F (3°C) | 2.5 in | |
| May | 47°F (8°C) | 2.1 in | Driest |
| June | 52°F (11°C) | 2.8 in | |
| July | 55°F (13°C) | 3.5 in | Warmest |
| August | 55°F (13°C) | 3.6 in | |
| September | 49°F (9°C) | 4.6 in | Wettest |
| October | 42°F (5°C) | 4.5 in | |
| November | 34°F (1°C) | 3.7 in | |
| December | 29°F (-1°C) | 4.5 in |
Rissa has a seasonal temperature swing of 26°F / from 29°F in February to 55°F in July. Total annual precipitation is 41.1 inches, with September being the wettest month (4.6") and May the driest (2.1").