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Weather & Climate in Seyðisfjörður, Iceland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seyðisfjörður has a cool climate with an average annual temperature of 34°F (1°C). Winters average 28°F in January while summers reach 45°F in July / relatively mild seasonal variation. The area gets 242 sunny days per year, above the national average. Annual precipitation totals 52.1 inches (wetter than the 38-inch national average). The area receives 36.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 16 feet.
Temperature
28°F Jan (-2°C)
45°F Jul (7°C)
| Annual Average | 33.7°F |
| 38% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 45°F (7°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 82.6 sq mi (213.8 km²) |
| Population Density | 8/sq mi |
| Coordinates | 65.2601°N, 14.0058°W |
| Timezone | Atlantic/Reykjavik |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 27, 2014 | 82 km SSE of Laugar, Iceland | M4.5 | 139 km | 8 km |
| May 4, 2014 | 69 km SE of Laugar, Iceland | M4.0 | 114 km | 10 km |
| May 31, 1998 | 95 km NW of Höfn, Iceland | M3.8 | 121 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 60.0 m (197 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2014 | ASKJA LAKE | Meteorological | 60.0 m | — | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Fremrinamar (125 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Fremrinamar | Stratovolcano | 970 m (3,182 ft) | -1200 | 125 km |
| Askja | Stratovolcano | 1,080 m (3,543 ft) | 1961 | 132 km |
| Krafla | Caldera | 800 m (2,625 ft) | 1984 | 135 km |
| Kverkfjoll | Stratovolcano | 1,930 m (6,332 ft) | 1968 | 142 km |
| Theistareykir | Shield | 540 m (1,772 ft) | -900 | 159 km |
| Esjufjoll | Stratovolcano | 1,620 m (5,315 ft) | Unknown | 166 km |
| Bardarbunga | Stratovolcano | 2,000 m (6,562 ft) | 2015 | 179 km |
| Grimsvotn | Caldera | 1,719 m (5,640 ft) | 2011 | 183 km |
| Oraefajokull | Stratovolcano | 2,010 m (6,594 ft) | 1728 | 184 km |
| Tjornes Fracture Zone | Submarine | -75 m (-246 ft) | 1868 | 184 km |
| Tungnafellsjokull | Stratovolcano | 1,523 m (4,997 ft) | Unknown | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 5.6 in | |
| February | 27°F (-3°C) | 4.2 in | |
| March | 26°F (-3°C) | 4.7 in | Coldest |
| April | 29°F (-2°C) | 3.1 in | |
| May | 34°F (1°C) | 3.0 in | |
| June | 40°F (5°C) | 2.8 in | Driest |
| July | 45°F (7°C) | 3.5 in | |
| August | 45°F (7°C) | 3.9 in | Warmest |
| September | 40°F (4°C) | 5.4 in | |
| October | 33°F (1°C) | 6.3 in | Wettest |
| November | 29°F (-2°C) | 4.8 in | |
| December | 28°F (-2°C) | 4.8 in |
Seyðisfjörður has a seasonal temperature swing of 19°F / from 26°F in March to 45°F in August. Total annual precipitation is 52.0 inches, with October being the wettest month (6.3") and June the driest (2.8").