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Weather & Climate in Hønefoss, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hønefoss has a cool climate with an average annual temperature of 40°F (4°C). Winters average 22°F in January while summers reach 60°F in July. The area gets 285 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 28.2 inches (drier than the 38-inch national average). The area receives 9.4 inches of snow annually. The city sits at an elevation of 230 feet.
Temperature
22°F Jan (-6°C)
60°F Jul (16°C)
| Annual Average | 39.8°F |
| 26% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 230 ft (70 m) |
| Area | 3.5 sq mi (9.1 km²) |
| Population Density | 3,897/sq mi |
| Coordinates | 60.1680°N, 10.2565°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
16 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 | 117 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 51 km | 10 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 149 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 78 km | 23 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 128 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 71 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 32 km | 15 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 112 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 46 km | 5 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 132 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 42 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 45 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 48 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 71 km | 15 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 111 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 39 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 | - | 67 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.8 in | Coldest |
| February | 22°F (-5°C) | 1.2 in | Driest |
| March | 30°F (-1°C) | 1.8 in | |
| April | 38°F (3°C) | 1.4 in | |
| May | 49°F (10°C) | 2.0 in | |
| June | 57°F (14°C) | 2.8 in | |
| July | 60°F (16°C) | 3.2 in | Warmest |
| August | 58°F (14°C) | 3.1 in | |
| September | 49°F (9°C) | 3.0 in | |
| October | 40°F (5°C) | 3.3 in | Wettest |
| November | 30°F (-1°C) | 2.8 in | |
| December | 24°F (-5°C) | 1.8 in |
Hønefoss has a seasonal temperature swing of 38°F / from 22°F in January to 60°F in July. Total annual precipitation is 28.2 inches, with October being the wettest month (3.3") and February the driest (1.2").