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Weather & Climate in Lerum, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lerum has a cool climate with an average annual temperature of 44°F (7°C). Winters average 30°F in January while summers reach 61°F in July. The area gets 273 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 34.7 inches. The area receives 11.0 inches of snow annually. The city sits at an elevation of 66 feet.
Temperature
30°F Jan (-1°C)
61°F Jul (16°C)
| Annual Average | 44.3°F |
| 18% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 145.1 sq mi (375.9 km²) |
| Population Density | 185/sq mi |
| Coordinates | 57.7705°N, 12.2690°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
16 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Aug 6, 2012 | 39 km WSW of Steninge, Sweden | M4.2 | 130 km | 10 km |
| Oct 4, 1995 | 20 km WSW of Steninge, Sweden | M3.9 | 120 km | 10 km |
| May 24, 1990 | 10 km W of Västra Hagen, Sweden | M3.6 | 48 km | 5 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 141 km | 10 km |
| Jul 29, 2015 | 4 km NE of Nolvik, Sweden | M3.4 | 22 km | 13 km |
| Feb 1, 1995 | 11 km SSW of Töreboda, Sweden | M3.4 | 140 km | 10 km |
| May 10, 1994 | 24 km SW of Ellös, Sweden | M3.2 | 73 km | 35 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 136 km | 10 km |
| Apr 22, 1993 | 13 km W of Skärhamn, Sweden | M2.8 | 60 km | 10 km |
| Jun 23, 2018 | 2 km SW of Götene, Sweden | M2.8 | 109 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 139 km | 10 km |
| Aug 29, 1993 | 26 km SW of Glommen, Sweden | M2.7 | 112 km | 10 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 126 km | 10 km |
| Jun 8, 2005 | 3 km WNW of Skagen, Denmark | M2.6 | 104 km | 10 km |
| Apr 25, 2008 | 9 km NNW of Strandby, Denmark | M2.5 | 111 km | 0 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 137 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.0 in | |
| February | 30°F (-1°C) | 2.2 in | Coldest |
| March | 34°F (1°C) | 2.2 in | |
| April | 41°F (5°C) | 1.9 in | Driest |
| May | 51°F (11°C) | 2.1 in | |
| June | 57°F (14°C) | 2.8 in | |
| July | 61°F (16°C) | 3.0 in | Warmest |
| August | 60°F (15°C) | 3.2 in | |
| September | 53°F (11°C) | 3.6 in | Wettest |
| October | 46°F (8°C) | 3.5 in | |
| November | 38°F (3°C) | 3.6 in | |
| December | 33°F (0°C) | 3.5 in |
Lerum has a seasonal temperature swing of 31°F / from 30°F in February to 61°F in July. Total annual precipitation is 34.7 inches, with September being the wettest month (3.6") and April the driest (1.9").