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Weather & Climate in Rollag, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rollag has a cool climate with an average annual temperature of 38°F (3°C). Winters average 23°F in January while summers reach 58°F in July. The area gets 204 sunny days per year. Annual precipitation totals 50.2 inches (wetter than the 38-inch national average). The area receives 140.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 682 feet.
Temperature
23°F Jan (-5°C)
58°F Jul (15°C)
| Annual Average | 38.2°F |
| 29% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 204 days/yr |
Geography
| Elevation | 682 ft (208 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 59.9843°N, 9.2964°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
17 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 | 131 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 105 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 135 km | 23 km |
| Jun 29, 2004 | 17 km E of Hovden, Norway | M3.1 | 103 km | 8 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 128 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 84 km | 15 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 93 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 104 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 101 km | 10 km |
| Aug 28, 1992 | 24 km NE of Sauda, Norway | M2.7 | 148 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 121 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 56 km | 5 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 86 km | 5 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 108 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 66 km | 15 km |
| Nov 25, 1992 | 45 km E of Farnes, Norway | M2.5 | 149 km | 10 km |
| Oct 3, 1993 | 43 km E of Odda, Norway | M2.5 | 110 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami 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 | - | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 2.1 in | |
| February | 21°F (-6°C) | 1.4 in | Coldest, Driest |
| March | 28°F (-2°C) | 2.0 in | |
| April | 36°F (2°C) | 1.6 in | |
| May | 47°F (8°C) | 2.2 in | |
| June | 55°F (13°C) | 3.1 in | |
| July | 58°F (15°C) | 3.4 in | Warmest |
| August | 56°F (13°C) | 3.3 in | |
| September | 47°F (8°C) | 3.4 in | |
| October | 38°F (3°C) | 3.6 in | Wettest |
| November | 28°F (-2°C) | 3.0 in | |
| December | 22°F (-6°C) | 1.9 in |
Rollag has a seasonal temperature swing of 37°F / from 21°F in February to 58°F in July. Total annual precipitation is 31.0 inches, with October being the wettest month (3.6") and February the driest (1.4").