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Weather & Climate in Brännö, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brännö experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 31°F in January while summers reach 62°F in July. The area gets 289 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 25.8 inches (drier than the 38-inch national average). The area receives 7.9 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
31°F Jan (-0°C)
62°F Jul (17°C)
| Annual Average | 45.6°F |
| 16% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 0.8 sq mi (1.9 km²) |
| Population Density | 1,224/sq mi |
| Coordinates | 57.6453°N, 11.7817°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
17 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 | 117 km | 10 km |
| Oct 4, 1995 | 20 km WSW of Steninge, Sweden | M3.9 | 110 km | 10 km |
| May 24, 1990 | 10 km W of Västra Hagen, Sweden | M3.6 | 23 km | 5 km |
| Jul 29, 2015 | 4 km NE of Nolvik, Sweden | M3.4 | 19 km | 13 km |
| Nov 29, 2000 | 9 km E of Strömstad, Sweden | M3.4 | 147 km | 10 km |
| Mar 11, 1991 | 13 km WSW of Løkken, Denmark | M3.3 | 140 km | 10 km |
| May 10, 1994 | 24 km SW of Ellös, Sweden | M3.2 | 59 km | 35 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 128 km | 10 km |
| Apr 22, 1993 | 13 km W of Skärhamn, Sweden | M2.8 | 46 km | 10 km |
| Jun 23, 2018 | 2 km SW of Götene, Sweden | M2.8 | 139 km | 10 km |
| Mar 10, 2004 | Denmark | M2.8 | 133 km | 10 km |
| Aug 29, 1993 | 26 km SW of Glommen, Sweden | M2.7 | 99 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 111 km | 10 km |
| Jun 8, 2005 | 3 km WNW of Skagen, Denmark | M2.6 | 75 km | 10 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 114 km | 10 km |
| May 23, 1990 | 50 km WNW of Smögen, Sweden | M2.5 | 127 km | 10 km |
| Apr 25, 2008 | 9 km NNW of Strandby, Denmark | M2.5 | 81 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 2.2 in | |
| February | 31°F (-1°C) | 1.5 in | Coldest, Driest |
| March | 35°F (2°C) | 1.7 in | |
| April | 42°F (5°C) | 1.5 in | |
| May | 52°F (11°C) | 1.7 in | |
| June | 58°F (14°C) | 2.1 in | |
| July | 62°F (17°C) | 2.1 in | Warmest |
| August | 61°F (16°C) | 2.4 in | |
| September | 54°F (12°C) | 3.0 in | Wettest |
| October | 47°F (9°C) | 2.6 in | |
| November | 40°F (4°C) | 2.6 in | |
| December | 35°F (2°C) | 2.6 in |
Brännö has a seasonal temperature swing of 31°F / from 31°F in February to 62°F in July. Total annual precipitation is 25.8 inches, with September being the wettest month (3.0") and February the driest (1.5").