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Weather & Climate in Grøa, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grøa has a cool climate with an average annual temperature of 33°F (0°C). Winters average 21°F in January while summers reach 49°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.8 inches. The area receives 26.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 217 feet.
Temperature
21°F Jan (-6°C)
49°F Jul (9°C)
| Annual Average | 32.7°F |
| 39% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 49°F (9°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 217 ft (66 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 4,183/sq mi |
| Coordinates | 62.6439°N, 8.7247°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 21, 2007 | 6 km SW of Midsund, Norway | M3.7 | 109 km | 10 km |
| Jan 16, 2005 | 16 km WNW of Steinshamn, Norway | M3.3 | 132 km | 15 km |
| Jul 6, 1992 | 25 km NNW of Steinshamn, Norway | M2.8 | 131 km | 10 km |
| Jul 12, 1993 | 26 km N of Sistranda, Norway | M2.8 | 147 km | 10 km |
| Jan 22, 1992 | 5 km NNE of Fillan, Norway | M2.7 | 112 km | 10 km |
| Feb 26, 2005 | 21 km ENE of Sistranda, Norway | M2.7 | 129 km | 0 km |
| Mar 11, 1992 | 4 km NW of Ørsta, Norway | M2.6 | 144 km | 10 km |
| Jul 31, 2004 | southern Norway | M2.6 | 122 km | 15 km |
| Feb 26, 2005 | 19 km NW of Brekstad, Norway | M2.6 | 132 km | 0 km |
| Oct 3, 1994 | 20 km NE of Ørsta, Norway | M2.5 | 123 km | 10 km |
| Mar 16, 1995 | 18 km ENE of Ørsta, Norway | M2.5 | 124 km | 10 km |
| Feb 15, 1991 | 15 km ESE of Stranda, Norway | M2.5 | 90 km | 10 km |
| May 28, 1991 | 5 km NE of Fillan, Norway | M2.5 | 111 km | 10 km |
| Feb 26, 2005 | 22 km NW of Brekstad, Norway | M2.5 | 133 km | 0 km |
| Feb 26, 2005 | 14 km W of Brekstad, Norway | M2.5 | 123 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 74.0 m (243 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1936 | LAKE LOVATNET | Meteorological | 74.0 m | — | 129 km |
| 1936 | LOEN | Meteorological | 74.0 m | 73 | 130 km |
| 1934 | TAFJORD | Meteorological | 62.3 m | 41 | 80 km |
| 1905 | LOEN | Meteorological | 40.5 m | 61 | 130 km |
| 1936 | LAKE LOVATNET | Meteorological | 40.0 m | — | 129 km |
| 1756 | WESTERN NORWAY | Meteorological | 38.0 m | 32 | 44 km |
| 1888 | MID-NORWAY | Meteorological | 7.0 m | 1 | 121 km |
| 1978 | NORWAY: RISSA | Meteorological | 6.8 m | 1 | 119 km |
| 1987 | WESTERN NORWAY | Meteorological | 3.0 m | — | 118 km |
| 1930 | MID-NORWAY | Meteorological | — | — | 94 km |
| 1880 | WESTERN NORWAY | Meteorological | — | — | 104 km |
| 1731 | WESTERN NORWAY | Meteorological | — | 17 | 97 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 4.3 in | |
| February | 21°F (-6°C) | 3.4 in | Coldest |
| March | 23°F (-5°C) | 3.2 in | |
| April | 29°F (-2°C) | 2.2 in | |
| May | 37°F (3°C) | 1.9 in | Driest |
| June | 44°F (7°C) | 3.1 in | |
| July | 49°F (9°C) | 3.8 in | Warmest |
| August | 47°F (8°C) | 3.8 in | |
| September | 40°F (5°C) | 4.7 in | |
| October | 33°F (1°C) | 4.5 in | |
| November | 26°F (-4°C) | 4.1 in | |
| December | 22°F (-6°C) | 4.8 in | Wettest |
Grøa has a seasonal temperature swing of 28°F / from 21°F in February to 49°F in July. Total annual precipitation is 43.8 inches, with December being the wettest month (4.8") and May the driest (1.9").