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Weather & Climate in Blönduós, Iceland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blönduós has a cool climate with an average annual temperature of 37°F (3°C). Winters average 27°F in January while summers reach 50°F in July. The area gets 299 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 20.3 inches (drier than the 38-inch national average). The area receives 9.7 inches of snow annually. The city sits at an elevation of 118 feet.
Temperature
27°F Jan (-3°C)
50°F Jul (10°C)
| Annual Average | 36.6°F |
| 32% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 50°F (10°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 118 ft (36 m) |
| Area | 70.7 sq mi (183.0 km²) |
| Population Density | 12/sq mi |
| Coordinates | 65.6593°N, 20.2808°W |
| Timezone | Atlantic/Reykjavik |
Precipitation & Snow
Air Quality
Earthquake History
59 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Jun 21, 2020 | 27 km NNE of Siglufjörður, Iceland | M6.0 | 107 km | 10 km |
| Jun 20, 2020 | 15 km N of Siglufjörður, Iceland | M5.7 | 94 km | 10 km |
| Feb 8, 1994 | 42 km NNW of Siglufjörður, Iceland | M5.5 | 106 km | 10 km |
| Oct 21, 2012 | 20 km NNE of Siglufjörður, Iceland | M5.5 | 103 km | 10 km |
| Jun 20, 2020 | 15 km NE of Siglufjörður, Iceland | M5.4 | 98 km | 10 km |
| Oct 21, 2012 | 28 km NNE of Siglufjörður, Iceland | M5.3 | 111 km | 10 km |
| Apr 2, 2013 | 44 km NNW of Norðurþing, Iceland | M5.3 | 148 km | 10 km |
| Jan 30, 1991 | 47 km NNE of Hveragerði, Iceland | M5.2 | 143 km | 10 km |
| Sep 8, 2022 | 56 km NNW of Norðurþing, Iceland | M5.2 | 145 km | 10 km |
| Feb 19, 2018 | 53 km NNW of Norðurþing, Iceland | M4.9 | 150 km | 10 km |
| Sep 20, 2012 | 7 km NW of Siglufjörður, Iceland | M4.8 | 82 km | 10 km |
| Feb 19, 2018 | 45 km NNW of Norðurþing, Iceland | M4.8 | 142 km | 10 km |
| Jul 22, 1997 | 27 km NE of Siglufjörður, Iceland | M4.7 | 110 km | 10 km |
| May 14, 2025 | 52 km NNW of Norðurþing, Iceland | M4.6 | 146 km | 10 km |
| Sep 8, 2022 | 58 km NNW of Nor?ur?ing, Iceland | M4.6 | 150 km | 10 km |
| Sep 8, 2022 | 57 km NNW of Norðurþing, Iceland | M4.6 | 150 km | 10 km |
| Sep 20, 1997 | 26 km ENE of Siglufjörður, Iceland | M4.6 | 108 km | 10 km |
| Sep 8, 2022 | 48 km NW of Norðurþing, Iceland | M4.5 | 134 km | 10 km |
| Sep 20, 1997 | 19 km ENE of Siglufjörður, Iceland | M4.5 | 102 km | 10 km |
| Jun 20, 2020 | 22 km NE of Siglufjörður, Iceland | M4.5 | 105 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
15 volcanoes within 200 km. Closest: Langjokull (94 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Langjokull | Subglacial | 1,100 m (3,609 ft) | 950 | 94 km |
| Hofsjokull | Subglacial | 1,765 m (5,791 ft) | Unknown | 116 km |
| Prestahnukur | Subglacial | 1,385 m (4,544 ft) | -3350 | 121 km |
| Ljosufjoll | Fissure vent(s) | 1,063 m (3,488 ft) | 960 | 133 km |
| Theistareykir | Shield | 540 m (1,772 ft) | -900 | 144 km |
| Tungnafellsjokull | Stratovolcano | 1,523 m (4,997 ft) | Unknown | 150 km |
| Tjornes Fracture Zone | Submarine | -75 m (-246 ft) | 1868 | 160 km |
| Krafla | Caldera | 800 m (2,625 ft) | 1984 | 163 km |
| Helgrindur | Pyroclastic cone(s) | 986 m (3,235 ft) | Unknown | 165 km |
| Fremrinamar | Stratovolcano | 970 m (3,182 ft) | -1200 | 169 km |
| Bardarbunga | Stratovolcano | 2,000 m (6,562 ft) | 2015 | 172 km |
| Askja | Stratovolcano | 1,080 m (3,543 ft) | 1961 | 177 km |
| Grimsnes | Crater rows | 200 m (656 ft) | -3500 | 181 km |
| Hromundartindur | Stratovolcano | 550 m (1,804 ft) | Unknown | 182 km |
| Hengill | Crater rows | 803 m (2,635 ft) | 150 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.7 in | |
| February | 26°F (-3°C) | 1.5 in | Coldest |
| March | 28°F (-2°C) | 1.9 in | |
| April | 33°F (1°C) | 1.4 in | |
| May | 41°F (5°C) | 1.3 in | Driest |
| June | 47°F (8°C) | 1.6 in | |
| July | 50°F (10°C) | 1.8 in | Warmest |
| August | 49°F (10°C) | 1.9 in | |
| September | 44°F (6°C) | 1.8 in | |
| October | 36°F (2°C) | 2.2 in | Wettest |
| November | 30°F (-1°C) | 1.6 in | |
| December | 28°F (-2°C) | 1.7 in |
Blönduós has a seasonal temperature swing of 23°F / from 26°F in February to 50°F in July. Total annual precipitation is 20.3 inches, with October being the wettest month (2.2") and May the driest (1.3").