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Weather & Climate in Rjukan, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rjukan has a cool climate with an average annual temperature of 34°F (1°C). Winters average 19°F in January while summers reach 53°F in July. The area gets 273 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 34.9 inches. The area receives 18.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 991 feet.
Temperature
19°F Jan (-7°C)
53°F Jul (12°C)
| Annual Average | 33.8°F |
| 37% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 991 ft (302 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 3,568/sq mi |
| Coordinates | 59.8789°N, 8.5941°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Aug 6, 1992 | 17 km NNE of Etne, Norway | M3.7 | 141 km | 33 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 146 km | 10 km |
| Jun 29, 2004 | 17 km E of Hovden, Norway | M3.1 | 63 km | 8 km |
| Feb 25, 1990 | 6 km WNW of Sauda, Norway | M3.0 | 134 km | 10 km |
| Oct 28, 1991 | 5 km SSE of Rosendal, Norway | M3.0 | 142 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 125 km | 15 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 87 km | 5 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 145 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 142 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 132 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 133 km | 10 km |
| Aug 28, 1992 | 24 km NE of Sauda, Norway | M2.7 | 108 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 92 km | 15 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 127 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 126 km | 5 km |
| Jun 26, 1992 | 9 km NE of Sauda, Norway | M2.6 | 121 km | 10 km |
| May 26, 1991 | 18 km NNE of Etne, Norway | M2.6 | 142 km | 10 km |
| Oct 3, 1993 | 43 km E of Odda, Norway | M2.5 | 73 km | 5 km |
| Feb 14, 1991 | 19 km NNE of Sauda, Norway | M2.5 | 119 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 | — | 118 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | 1.5 m | — | 144 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | — | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 2.8 in | Coldest |
| February | 19°F (-7°C) | 1.9 in | |
| March | 23°F (-5°C) | 2.4 in | |
| April | 30°F (-1°C) | 1.7 in | Driest |
| May | 41°F (5°C) | 2.3 in | |
| June | 49°F (9°C) | 3.4 in | |
| July | 53°F (12°C) | 3.6 in | Warmest |
| August | 51°F (10°C) | 3.5 in | |
| September | 43°F (6°C) | 3.6 in | |
| October | 34°F (1°C) | 3.8 in | Wettest |
| November | 25°F (-4°C) | 3.3 in | |
| December | 20°F (-7°C) | 2.6 in |
Rjukan has a seasonal temperature swing of 34°F / from 19°F in January to 53°F in July. Total annual precipitation is 34.9 inches, with October being the wettest month (3.8") and April the driest (1.7").