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Weather & Climate in Grums, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grums has a cool climate with an average annual temperature of 42°F (5°C). Winters average 24°F in January while summers reach 61°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 28.0 inches (drier than the 38-inch national average). The area receives 10.2 inches of snow annually. The city sits at an elevation of 210 feet.
Temperature
24°F Jan (-5°C)
61°F Jul (16°C)
| Annual Average | 41.7°F |
| 23% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 210 ft (64 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 2,323/sq mi |
| Coordinates | 59.3514°N, 13.1111°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
12 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 | 121 km | 10 km |
| Apr 11, 1993 | 2 km NNE of Ludvika, Sweden | M3.7 | 148 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 140 km | 10 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 111 km | 10 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 60 km | 10 km |
| Feb 1, 1995 | 11 km SSW of Töreboda, Sweden | M3.4 | 96 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 146 km | 10 km |
| Jun 23, 2018 | 2 km SW of Götene, Sweden | M2.8 | 95 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 147 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 146 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 145 km | 5 km |
| May 15, 1994 | 13 km NNW of Ryd, Sweden | M2.6 | 127 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis 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 | - | 143 km |
| 1969 | NORSALV RIVER | Meteorological | 5.0 m | - | 23 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 1.9 in | Coldest |
| February | 24°F (-4°C) | 1.4 in | Driest |
| March | 32°F (-0°C) | 1.7 in | |
| April | 40°F (5°C) | 1.8 in | |
| May | 51°F (11°C) | 1.8 in | |
| June | 58°F (15°C) | 2.6 in | |
| July | 61°F (16°C) | 2.6 in | Warmest |
| August | 59°F (15°C) | 3.0 in | |
| September | 51°F (10°C) | 3.2 in | Wettest |
| October | 43°F (6°C) | 2.9 in | |
| November | 33°F (1°C) | 3.0 in | |
| December | 25°F (-4°C) | 2.2 in |
Grums has a seasonal temperature swing of 38°F / from 24°F in January to 61°F in July. Total annual precipitation is 28.0 inches, with September being the wettest month (3.2") and February the driest (1.4").