All Countries
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. The area gets 262 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 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) |
| Sunny Days | 262 days/yr |
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°W |
| 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").