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Weather & Climate in Trollhättan, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trollhättan has a cool climate with an average annual temperature of 44°F (7°C). Winters average 29°F in January while summers reach 61°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 9.4 inches of snow annually. The city sits at an elevation of 161 feet.
Temperature
29°F Jan (-2°C)
61°F Jul (16°C)
| Annual Average | 43.8°F |
| 19% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 1,072.6 sq mi (2,778.0 km²) |
| Population Density | 45/sq mi |
| Coordinates | 58.2837°N, 12.2886°W |
| Timezone | Europe/Stockholm |
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 | 125 km | 10 km |
| May 24, 1990 | 10 km W of Västra Hagen, Sweden | M3.6 | 99 km | 5 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 92 km | 10 km |
| Jul 29, 2015 | 4 km NE of Nolvik, Sweden | M3.4 | 58 km | 13 km |
| Feb 1, 1995 | 11 km SSW of Töreboda, Sweden | M3.4 | 108 km | 10 km |
| May 10, 1994 | 24 km SW of Ellös, Sweden | M3.2 | 72 km | 35 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 108 km | 10 km |
| Apr 22, 1993 | 13 km W of Skärhamn, Sweden | M2.8 | 65 km | 10 km |
| Jun 23, 2018 | 2 km SW of Götene, Sweden | M2.8 | 73 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 148 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 146 km | 10 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 149 km | 10 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 106 km | 10 km |
| Jun 8, 2005 | 3 km WNW of Skagen, Denmark | M2.6 | 121 km | 10 km |
| Apr 25, 2008 | 9 km NNW of Strandby, Denmark | M2.5 | 135 km | 0 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 111 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: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1969 | NORSALV RIVER | Meteorological | 5.0 m | — | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 2.6 in | |
| February | 29°F (-2°C) | 1.9 in | Coldest |
| March | 34°F (1°C) | 2.0 in | |
| April | 40°F (5°C) | 1.8 in | Driest |
| May | 51°F (10°C) | 1.9 in | |
| June | 57°F (14°C) | 2.6 in | |
| July | 61°F (16°C) | 2.7 in | Warmest |
| August | 59°F (15°C) | 2.8 in | |
| September | 52°F (11°C) | 3.3 in | |
| October | 45°F (7°C) | 3.4 in | |
| November | 37°F (3°C) | 3.4 in | Wettest |
| December | 32°F (-0°C) | 2.9 in |
Trollhättan has a seasonal temperature swing of 32°F / from 29°F in February to 61°F in July. Total annual precipitation is 31.3 inches, with November being the wettest month (3.4") and April the driest (1.8").