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Weather & Climate in Gjerstad, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gjerstad has a cool climate with an average annual temperature of 43°F (6°C). Winters average 27°F in January while summers reach 62°F in July. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 45.3 inches. The area receives 18.4 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 256 feet.
Temperature
27°F Jan (-3°C)
62°F Jul (17°C)
| Annual Average | 43.3°F |
| 20% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 256 ft (78 m) |
| Area | 0.1 sq mi (0.3 km²) |
| Population Density | 2,223/sq mi |
| Coordinates | 58.8808°N, 9.0186°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
14 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 19, 1992 | 5 km SE of Fredrikstad, Norway | M3.8 | 119 km | 10 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 133 km | 10 km |
| Jun 29, 2004 | 17 km E of Hovden, Norway | M3.1 | 107 km | 8 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 93 km | 10 km |
| Sep 8, 1993 | 34 km SSE of Skålevik, Norway | M2.7 | 132 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 130 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 66 km | 10 km |
| Mar 17, 1991 | 7 km W of Mandal, Norway | M2.6 | 137 km | 10 km |
| Aug 1, 1993 | 7 km S of Mandal, Norway | M2.6 | 136 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 95 km | 15 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 84 km | 10 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 100 km | 10 km |
| Mar 22, 1993 | 15 km NNW of Liknes, Norway | M2.5 | 133 km | 10 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 90 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1966 | EASTERN NORWAY | Meteorological | 6.0 m | - | 122 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | 1.5 m | - | 138 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | - | - | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.8 in | Coldest |
| February | 28°F (-2°C) | 2.6 in | |
| March | 34°F (1°C) | 3.3 in | |
| April | 41°F (5°C) | 2.4 in | Driest |
| May | 51°F (11°C) | 2.7 in | |
| June | 58°F (15°C) | 3.2 in | |
| July | 62°F (17°C) | 3.6 in | Warmest |
| August | 60°F (15°C) | 4.3 in | |
| September | 52°F (11°C) | 5.1 in | |
| October | 44°F (7°C) | 5.8 in | Wettest |
| November | 35°F (2°C) | 5.2 in | |
| December | 29°F (-2°C) | 3.4 in |
Gjerstad has a seasonal temperature swing of 35°F / from 27°F in January to 62°F in July. Total annual precipitation is 45.3 inches, with October being the wettest month (5.8") and April the driest (2.4").