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Weather & Climate in Oslo, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oslo has a cool climate with an average annual temperature of 42°F (6°C). Winters average 26°F in January while summers reach 62°F in July. The area gets 279 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 31.4 inches. The area receives 11.3 inches of snow annually. The city sits at an elevation of 85 feet.
Temperature
26°F Jan (-4°C)
62°F Jul (17°C)
| Annual Average | 42.4°F |
| 21% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 175.3 sq mi (454.1 km²) |
| Population Density | 5,832/sq mi |
| Coordinates | 59.9127°N, 10.7461°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 | 82 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 35 km | 10 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 94 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 77 km | 23 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 113 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 65 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 19 km | 15 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 148 km | 10 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 124 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 65 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 35 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 38 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 109 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 85 km | 5 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 10 km | 5 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 85 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 56 km | 15 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 | - | 35 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 2.1 in | Coldest |
| February | 26°F (-4°C) | 1.5 in | Driest |
| March | 32°F (0°C) | 2.2 in | |
| April | 40°F (4°C) | 1.8 in | |
| May | 51°F (11°C) | 1.9 in | |
| June | 58°F (15°C) | 2.8 in | |
| July | 62°F (17°C) | 3.2 in | Warmest |
| August | 60°F (15°C) | 3.3 in | |
| September | 51°F (11°C) | 3.5 in | |
| October | 43°F (6°C) | 3.6 in | Wettest |
| November | 34°F (1°C) | 3.3 in | |
| December | 28°F (-2°C) | 2.3 in |
Oslo has a seasonal temperature swing of 36°F / from 26°F in January to 62°F in July. Total annual precipitation is 31.4 inches, with October being the wettest month (3.6") and February the driest (1.5").