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Þorlákshöfn, Iceland

Full City Profile

2,037 Population 2,646/sq mi density
20 ft Elevation 6 meters
39°F Avg Temperature 4°C
Þorlákshöfn has a cool climate with an average annual temperature of 39°F (4°C). Winters average 30°F in January while summers reach 51°F in July. The area gets 243 sunny days per year. Annual precipitation totals 51.3 inches. The area receives 24.8 inches of snow annually.

Temperature

30°F Jan (-1°C) 51°F Jul (11°C)
Annual Average39.1°F
28% below US avg
January Average30°F (-1°C)
July Average51°F (11°C)
Sunny Days243 days/yr

Geography

Elevation20 ft (6 m)
Area0.8 sq mi (2.0 km²)
Population Density2,646/sq mi
Coordinates63.8559°N, 21.3834°W
TimezoneAtlantic/Reykjavik

Precipitation & Snow

Annual Rainfall 51.3"
35% above US avg
Snowfall 24.8"
Wettest Month (Feb) 5.20"
Driest Month (Jun) 3.07"

Air Quality

Earthquake History

172 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M4.3 on May 24, 2025.

Jun 17, 2000 25 km E of Selfoss, Iceland M6.5 46 km
Jun 21, 2000 12 km ENE of Selfoss, Iceland M6.5 34 km
May 29, 2008 8 km N of Selfoss, Iceland M6.3 25 km
Jun 17, 2000 18 km E of Selfoss, Iceland M5.7 39 km
Feb 24, 2021 6 km SE of Vogar, Iceland M5.6 45 km
Jul 31, 2022 3 km SSE of Vogar, Iceland M5.4 49 km
Jun 4, 1998 5 km W of Hveragerði, Iceland M5.4 16 km
Mar 7, 2021 11 km ENE of Vogar, Iceland M5.3 43 km
Mar 14, 2021 9 km SW of Álftanes, Iceland M5.3 42 km
Jan 30, 1991 47 km NNE of Hveragerði, Iceland M5.2 66 km
Apr 1, 2025 6 km NW of Grindavík, Iceland M5.2 56 km
Aug 23, 2003 9 km SE of Vogar, Iceland M5.2 43 km
Jul 9, 2023 9 km SW of Álftanes, Iceland M5.2 44 km
Feb 27, 2021 8 km SW of Álftanes, Iceland M5.2 43 km
Nov 13, 1998 10 km WNW of Þorlákshöfn, Iceland M5.1 11 km
Mar 10, 2021 9 km SW of Álftanes, Iceland M5.1 43 km
Feb 27, 2007 95 km SW of Grindavík, Iceland M5.0 140 km
Aug 2, 2022 1 km SSE of Hafnarfjörður, Iceland M5.0 35 km
Apr 1, 2025 9 km WNW of Grindavík, Iceland M4.9 61 km
Feb 27, 2007 100 km SW of Grindavík, Iceland M4.9 146 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 75.0 m (246 ft).

Year Location Cause Max Wave Deaths Distance
1967 ICELAND: CENTRAL-SOUTH Meteorological 75.0 m 92 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Brennisteinsfjoll (21 km).

Name Type Elevation Last Eruption Distance
Brennisteinsfjoll Crater rows 610 m (2,001 ft) 1341 21 km
Hengill Crater rows 803 m (2,635 ft) 150 25 km
Hromundartindur Stratovolcano 550 m (1,804 ft) Unknown 25 km
Grimsnes Crater rows 200 m (656 ft) -3500 33 km
Krysuvik Crater rows 360 m (1,181 ft) 1340 34 km
Reykjanes Crater rows 140 m (459 ft) 1831 58 km
Vestmannaeyjar Submarine 283 m (928 ft) 1973 74 km
Tindfjallajokull Stratovolcano 1,464 m (4,803 ft) Unknown 82 km
Hekla Stratovolcano 1,490 m (4,888 ft) 2000 85 km
Prestahnukur Subglacial 1,385 m (4,544 ft) -3350 88 km
Eyjafjallajokull Stratovolcano 1,651 m (5,417 ft) 2010 90 km
Torfajokull Stratovolcano 1,280 m (4,199 ft) 1477 111 km
Katla Subglacial 1,490 m (4,888 ft) 1918 116 km
Ljosufjoll Fissure vent(s) 1,063 m (3,488 ft) 960 128 km
Langjokull Subglacial 1,100 m (3,609 ft) 950 137 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 4.7 in Coldest
February 31°F (-1°C) 5.2 in Wettest
March 32°F (-0°C) 5.2 in
April 36°F (2°C) 3.5 in
May 43°F (6°C) 3.4 in
June 48°F (9°C) 3.1 in Driest
July 51°F (11°C) 3.2 in Warmest
August 50°F (10°C) 4.3 in
September 45°F (7°C) 4.1 in
October 39°F (4°C) 5.0 in
November 33°F (1°C) 4.7 in
December 30°F (-1°C) 5.0 in

Þorlákshöfn has a seasonal temperature swing of 22°F / from 30°F in January to 51°F in July. Total annual precipitation is 51.3 inches, with February being the wettest month (5.2") and June the driest (3.1").

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