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Álftanes, Iceland

Full City Profile

2,392 Population 1,239/sq mi density
40°F Avg Temperature 4°C
Álftanes has a cool climate with an average annual temperature of 40°F (4°C). Winters average 31°F in January while summers reach 51°F in July. The area gets 267 sunny days per year. Annual precipitation totals 37.9 inches. The area receives 19.0 inches of snow annually.

Temperature

31°F Jan (-0°C) 51°F Jul (11°C)
Annual Average39.8°F
26% below US avg
January Average31°F (-0°C)
July Average51°F (11°C)
Sunny Days267 days/yr

Geography

Area1.9 sq mi (5.0 km²)
Population Density1,239/sq mi
Coordinates64.1000°N, 22.0167°W
TimezoneAtlantic/Reykjavik

Precipitation & Snow

Annual Rainfall 37.9"
0% below US avg
Snowfall 19.0"
Wettest Month (Feb) 4.06"
Driest Month (Jun) 2.05"

Air Quality

Earthquake History

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

Jun 21, 2000 12 km ENE of Selfoss, Iceland M6.5 63 km
Jun 17, 2000 25 km E of Selfoss, Iceland M6.5 76 km
May 29, 2008 8 km N of Selfoss, Iceland M6.3 50 km
Jun 17, 2000 18 km E of Selfoss, Iceland M5.7 69 km
Feb 24, 2021 6 km SE of Vogar, Iceland M5.6 21 km
Jun 4, 1998 5 km W of Hveragerði, Iceland M5.4 37 km
Jul 31, 2022 3 km SSE of Vogar, Iceland M5.4 23 km
Mar 14, 2021 9 km SW of Álftanes, Iceland M5.3 9 km
Mar 7, 2021 11 km ENE of Vogar, Iceland M5.3 12 km
Apr 1, 2025 6 km NW of Grindavík, Iceland M5.2 34 km
Aug 23, 2003 9 km SE of Vogar, Iceland M5.2 24 km
Jan 30, 1991 47 km NNE of Hveragerði, Iceland M5.2 67 km
Jul 9, 2023 9 km SW of Álftanes, Iceland M5.2 9 km
Feb 27, 2021 8 km SW of Álftanes, Iceland M5.2 9 km
Mar 10, 2021 9 km SW of Álftanes, Iceland M5.1 10 km
Nov 13, 1998 10 km WNW of Þorlákshöfn, Iceland M5.1 32 km
Oct 30, 1990 114 km WSW of Grindavík, Iceland M5.1 147 km
Aug 2, 2022 1 km SSE of Hafnarfjörður, Iceland M5.0 7 km
Feb 27, 2007 95 km SW of Grindavík, Iceland M5.0 130 km
Feb 27, 2007 100 km SW of Grindavík, Iceland M4.9 134 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 129 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Brennisteinsfjoll (22 km).

Name Type Elevation Last Eruption Distance
Brennisteinsfjoll Crater rows 610 m (2,001 ft) 1341 22 km
Krysuvik Crater rows 360 m (1,181 ft) 1340 24 km
Hengill Crater rows 803 m (2,635 ft) 150 29 km
Hromundartindur Stratovolcano 550 m (1,804 ft) Unknown 33 km
Reykjanes Crater rows 140 m (459 ft) 1831 39 km
Grimsnes Crater rows 200 m (656 ft) -3500 55 km
Prestahnukur Subglacial 1,385 m (4,544 ft) -3350 84 km
Ljosufjoll Fissure vent(s) 1,063 m (3,488 ft) 960 92 km
Helgrindur Pyroclastic cone(s) 986 m (3,235 ft) Unknown 105 km
Vestmannaeyjar Submarine 283 m (928 ft) 1973 115 km
Hekla Stratovolcano 1,490 m (4,888 ft) 2000 115 km
Tindfjallajokull Stratovolcano 1,464 m (4,803 ft) Unknown 118 km
Eyjafjallajokull Stratovolcano 1,651 m (5,417 ft) 2010 128 km
Langjokull Subglacial 1,100 m (3,609 ft) 950 139 km
Torfajokull Stratovolcano 1,280 m (4,199 ft) 1477 143 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-0°C) 3.6 in Coldest
February 32°F (0°C) 4.1 in Wettest
March 33°F (0°C) 3.8 in
April 37°F (3°C) 2.3 in
May 43°F (6°C) 2.4 in
June 48°F (9°C) 2.1 in Driest
July 51°F (11°C) 2.2 in Warmest
August 50°F (10°C) 3.2 in
September 46°F (8°C) 2.9 in
October 40°F (5°C) 3.8 in
November 35°F (2°C) 3.6 in
December 32°F (0°C) 3.9 in

Álftanes has a seasonal temperature swing of 20°F / from 31°F in January to 51°F in July. Total annual precipitation is 37.9 inches, with February being the wettest month (4.1") and June the driest (2.1").

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