All Countries
Weather & Climate in Røyken, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Røyken has a cool climate with an average annual temperature of 42°F (6°C). Winters average 26°F in January while summers reach 61°F in July. The area gets 277 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 32.3 inches. The area receives 12.0 inches of snow annually. The city sits at an elevation of 482 feet.
Temperature
26°F Jan (-4°C)
61°F Jul (16°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 277 days/yr |
Geography
| Elevation | 482 ft (147 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 3,426/sq mi |
| Coordinates | 59.7472°N, 10.3883°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
19 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 | 72 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 62 km | 10 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 112 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 104 km | 23 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 104 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 92 km | 10 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 130 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 44 km | 15 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 149 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 86 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 84 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 88 km | 5 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 62 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 64 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 37 km | 5 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 149 km | 10 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 64 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 29 km | 15 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 134 km | 10 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 | - | 21 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.2 in | Coldest |
| February | 26°F (-4°C) | 1.6 in | Driest |
| March | 32°F (-0°C) | 2.3 in | |
| April | 40°F (4°C) | 1.8 in | |
| May | 51°F (11°C) | 2.1 in | |
| June | 58°F (14°C) | 2.8 in | |
| July | 61°F (16°C) | 3.2 in | Warmest |
| August | 59°F (15°C) | 3.2 in | |
| September | 51°F (11°C) | 3.5 in | |
| October | 43°F (6°C) | 3.9 in | Wettest |
| November | 34°F (1°C) | 3.5 in | |
| December | 27°F (-3°C) | 2.4 in |
Røyken has a seasonal temperature swing of 36°F / from 26°F in January to 61°F in July. Total annual precipitation is 32.3 inches, with October being the wettest month (3.9") and February the driest (1.6").