Weather & Climate in Arendal, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arendal has a cool climate with an average annual temperature of 44°F (7°C). Winters average 29°F in January while summers reach 61°F in July. Annual precipitation totals 40.9 inches. The area receives 12.5 inches of snow annually. The city sits at an elevation of 62 feet.
Temperature
29°F Jan (-2°C)
61°F Jul (16°C)
| Annual Average | 44.1°F |
| 18% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 61°F (16°C) |
Geography
| Elevation | 62 ft (19 m) |
| Area | 166.6 sq mi (431.5 km²) |
| Population Density | 186/sq mi |
| Coordinates | 58.4615°N, 8.7725°E |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jan 28, 2007 | 28 km S of Vestbygd, Norway | M4.4 | 146 km | 30 km |
| Oct 19, 2000 | 54 km S of Farsund, Norway | M4.0 | 147 km | 10 km |
| Mar 11, 1991 | 13 km WSW of Løkken, Denmark | M3.3 | 133 km | 10 km |
| May 10, 1994 | 24 km SW of Ellös, Sweden | M3.2 | 146 km | 35 km |
| Jun 29, 2004 | 17 km E of Hovden, Norway | M3.1 | 137 km | 8 km |
| Nov 27, 1992 | 32 km SSW of Mandal, Norway | M3.0 | 119 km | 10 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 103 km | 10 km |
| Sep 29, 1993 | 16 km W of Vestbygd, Norway | M2.8 | 150 km | 10 km |
| Nov 18, 1992 | 12 km WSW of Flekkefjord, Norway | M2.8 | 137 km | 10 km |
| Jul 6, 1993 | 9 km W of Flekkefjord, Norway | M2.7 | 134 km | 5 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 99 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 99 km | 10 km |
| Sep 8, 1993 | 34 km SSE of Skålevik, Norway | M2.7 | 83 km | 10 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 121 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 141 km | 15 km |
| Aug 1, 1993 | 7 km S of Mandal, Norway | M2.6 | 95 km | 10 km |
| Mar 17, 1991 | 7 km W of Mandal, Norway | M2.6 | 98 km | 10 km |
| Jan 24, 2008 | North Sea | M2.6 | 139 km | 9 km |
| Aug 29, 1991 | 43 km W of Smögen, Sweden | M2.6 | 100 km | 10 km |
| Jul 14, 1993 | 8 km NNW of Vestbygd, Norway | M2.6 | 133 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 1.5 m (5 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | 1.5 m | - | 139 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | - | - | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 3.8 in | Coldest |
| February | 29°F (-2°C) | 2.3 in | |
| March | 35°F (2°C) | 3.0 in | |
| April | 41°F (5°C) | 1.9 in | Driest |
| May | 51°F (11°C) | 2.4 in | |
| June | 58°F (14°C) | 2.5 in | |
| July | 61°F (16°C) | 2.7 in | Warmest |
| August | 60°F (15°C) | 3.5 in | |
| September | 53°F (12°C) | 4.9 in | |
| October | 46°F (8°C) | 5.4 in | Wettest |
| November | 37°F (3°C) | 5.0 in | |
| December | 31°F (-1°C) | 3.5 in |
Arendal has a seasonal temperature swing of 33°F / from 29°F in January to 61°F in July. Total annual precipitation is 40.9 inches, with October being the wettest month (5.4") and April the driest (1.9").