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Weather & Climate in Moss, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Moss has a cool climate with an average annual temperature of 44°F (7°C). Winters average 29°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 31.3 inches. The area receives 8.9 inches of snow annually. The city sits at an elevation of 56 feet.
Temperature
29°F Jan (-2°C)
62°F Jul (17°C)
| Annual Average | 44.0°F |
| 19% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 5,977/sq mi |
| Coordinates | 59.4340°N, 10.6577°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
18 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 | 34 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 84 km | 10 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 104 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 127 km | 23 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 67 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 113 km | 10 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 95 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 72 km | 15 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 58 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 117 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 126 km | 5 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 87 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 88 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 62 km | 5 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 115 km | 10 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 33 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 35 km | 15 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 100 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 | - | 19 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.4 in | |
| February | 28°F (-2°C) | 1.6 in | Coldest, Driest |
| March | 34°F (1°C) | 2.3 in | |
| April | 41°F (5°C) | 1.8 in | |
| May | 52°F (11°C) | 1.9 in | |
| June | 59°F (15°C) | 2.5 in | |
| July | 62°F (17°C) | 2.6 in | Warmest |
| August | 61°F (16°C) | 3.0 in | |
| September | 53°F (12°C) | 3.4 in | |
| October | 45°F (7°C) | 3.9 in | Wettest |
| November | 36°F (2°C) | 3.5 in | |
| December | 30°F (-1°C) | 2.5 in |
Moss has a seasonal temperature swing of 34°F / from 28°F in February to 62°F in July. Total annual precipitation is 31.3 inches, with October being the wettest month (3.9") and February the driest (1.6").