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Weather & Climate in Lillestrøm, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lillestrøm has a cool climate with an average annual temperature of 41°F (5°C). Winters average 24°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 32.6 inches. The area receives 12.1 inches of snow annually. The city sits at an elevation of 381 feet.
Temperature
24°F Jan (-4°C)
61°F Jul (16°C)
| Annual Average | 41.1°F |
| 24% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 277 days/yr |
Geography
| Elevation | 381 ft (116 m) |
| Area | 255.0 sq mi (660.5 km²) |
| Population Density | 352/sq mi |
| Coordinates | 59.9560°N, 11.0492°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 | 86 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 22 km | 10 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 114 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 65 km | 23 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 78 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 52 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 20 km | 15 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 115 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 95 km | 5 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 119 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 64 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 25 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 27 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 | 95 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 12 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 | - | 46 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 2.3 in | |
| February | 24°F (-4°C) | 1.6 in | Coldest, Driest |
| March | 31°F (-1°C) | 2.2 in | |
| April | 39°F (4°C) | 1.9 in | |
| May | 50°F (10°C) | 2.0 in | |
| June | 57°F (14°C) | 3.0 in | |
| July | 61°F (16°C) | 3.1 in | Warmest |
| August | 58°F (15°C) | 3.3 in | |
| September | 50°F (10°C) | 3.5 in | |
| October | 42°F (5°C) | 3.8 in | Wettest |
| November | 32°F (0°C) | 3.5 in | |
| December | 26°F (-3°C) | 2.5 in |
Lillestrøm has a seasonal temperature swing of 37°F / from 24°F in February to 61°F in July. Total annual precipitation is 32.6 inches, with October being the wettest month (3.8") and February the driest (1.6").