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Hellissandur, Iceland

Full City Profile

544 Population 6/sq mi density
3 ft Elevation 1 meters
39°F Avg Temperature 4°C
Hellissandur has a cool climate with an average annual temperature of 39°F (4°C). Winters average 31°F in January while summers reach 50°F in July. The area gets 263 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 23.2 inches of snow annually.

Temperature

31°F Jan (-1°C) 50°F Jul (10°C)
Annual Average38.5°F
29% below US avg
January Average31°F (-1°C)
July Average50°F (10°C)
Sunny Days263 days/yr

Geography

Elevation3 ft (1 m)
Area98.1 sq mi (254.0 km²)
Population Density6/sq mi
Coordinates64.9176°N, 23.8856°W
TimezoneAtlantic/Reykjavik

Precipitation & Snow

Annual Rainfall 40.0"
5% above US avg
Snowfall 23.2"
Wettest Month (Oct) 4.37"
Driest Month (Jul) 1.89"

Air Quality

Earthquake History

117 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M4.3 on May 24, 2025.

Feb 24, 2021 6 km SE of Vogar, Iceland M5.6 132 km
Jul 31, 2022 3 km SSE of Vogar, Iceland M5.4 130 km
Mar 7, 2021 11 km ENE of Vogar, Iceland M5.3 129 km
Mar 14, 2021 9 km SW of Álftanes, Iceland M5.3 129 km
Aug 23, 2003 9 km SE of Vogar, Iceland M5.2 136 km
Jul 9, 2023 9 km SW of Álftanes, Iceland M5.2 127 km
Feb 27, 2021 8 km SW of Álftanes, Iceland M5.2 128 km
Apr 1, 2025 6 km NW of Grindavík, Iceland M5.2 132 km
Mar 10, 2021 9 km SW of Álftanes, Iceland M5.1 128 km
Aug 2, 2022 1 km SSE of Hafnarfjörður, Iceland M5.0 134 km
Mar 1, 2021 5 km SW of Álftanes, Iceland M4.9 127 km
May 24, 2025 23 km W of Grindavík, Iceland M4.9 128 km
Apr 1, 2025 9 km WNW of Grindavík, Iceland M4.9 133 km
Jun 17, 2000 9 km ENE of Vogar, Iceland M4.9 130 km
Mar 19, 1990 18 km ENE of Grindavík, Iceland M4.8 144 km
Aug 1, 2022 10 km SW of Hafnarfjörður, Iceland M4.8 134 km
Feb 24, 2021 10 km SSW of Álftanes, Iceland M4.8 131 km
Oct 13, 2013 16 km SW of Grindavík, Iceland M4.8 145 km
May 29, 2009 9 km SE of Vogar, Iceland M4.8 136 km
Feb 24, 2021 5 km E of Vogar, Iceland M4.8 129 km
Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

10 volcanoes within 200 km. Closest: Helgrindur (29 km).

Name Type Elevation Last Eruption Distance
Helgrindur Pyroclastic cone(s) 986 m (3,235 ft) Unknown 29 km
Ljosufjoll Fissure vent(s) 1,063 m (3,488 ft) 960 66 km
Reykjanes Crater rows 140 m (459 ft) 1831 135 km
Krysuvik Crater rows 360 m (1,181 ft) 1340 144 km
Brennisteinsfjoll Crater rows 610 m (2,001 ft) 1341 149 km
Hengill Crater rows 803 m (2,635 ft) 150 150 km
Hromundartindur Stratovolcano 550 m (1,804 ft) Unknown 153 km
Prestahnukur Subglacial 1,385 m (4,544 ft) -3350 157 km
Grimsnes Crater rows 200 m (656 ft) -3500 173 km
Langjokull Subglacial 1,100 m (3,609 ft) 950 198 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 3.8 in Coldest
February 31°F (-0°C) 4.3 in
March 31°F (-1°C) 4.0 in
April 35°F (2°C) 2.7 in
May 41°F (5°C) 2.4 in
June 46°F (8°C) 1.9 in
July 50°F (10°C) 1.9 in Warmest, Driest
August 49°F (9°C) 3.0 in
September 44°F (7°C) 3.3 in
October 38°F (4°C) 4.4 in Wettest
November 35°F (1°C) 4.3 in
December 32°F (-0°C) 4.1 in

Hellissandur has a seasonal temperature swing of 19°F / from 31°F in January to 50°F in July. Total annual precipitation is 40.0 inches, with October being the wettest month (4.4") and July the driest (1.9").

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