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Weather & Climate in Grimstad, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grimstad 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 255 sunny days per year, above the national average. Annual precipitation totals 44.5 inches. The area receives 14.1 inches of snow annually. The city sits at an elevation of 30 feet.
Temperature
29°F Jan (-2°C)
61°F Jul (16°C)
| Annual Average | 43.9°F |
| 19% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 6,238/sq mi |
| Coordinates | 58.3405°N, 8.5934°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
36 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 | 131 km | 30 km |
| Feb 26, 1990 | 68 km SSW of Mandal, Norway | M4.0 | 134 km | 10 km |
| Oct 19, 2000 | 54 km S of Farsund, Norway | M4.0 | 131 km | 10 km |
| Mar 11, 1991 | 13 km WSW of Løkken, Denmark | M3.3 | 125 km | 10 km |
| Jun 29, 2004 | 17 km E of Hovden, Norway | M3.1 | 145 km | 8 km |
| Sep 21, 1993 | 26 km WSW of Vestbygd, Norway | M3.0 | 146 km | 10 km |
| Nov 27, 1992 | 32 km SSW of Mandal, Norway | M3.0 | 103 km | 10 km |
| Sep 28, 1993 | 44 km WSW of Grebbestad, Sweden | M2.9 | 116 km | 10 km |
| Sep 28, 2004 | 67 km SSW of Mandal, Norway | M2.9 | 136 km | 16 km |
| Jun 23, 1993 | 21 km SW of Vestbygd, Norway | M2.8 | 140 km | 10 km |
| Sep 29, 1993 | 16 km W of Vestbygd, Norway | M2.8 | 137 km | 10 km |
| Nov 18, 1992 | 12 km WSW of Flekkefjord, Norway | M2.8 | 125 km | 10 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 115 km | 10 km |
| Jul 6, 1993 | 9 km W of Flekkefjord, Norway | M2.7 | 123 km | 5 km |
| Sep 8, 1993 | 34 km SSE of Skålevik, Norway | M2.7 | 67 km | 10 km |
| Apr 26, 2005 | 24 km N of Hirtshals, Denmark | M2.7 | 98 km | 10 km |
| Oct 30, 1992 | 20 km WSW of Vestbygd, Norway | M2.7 | 140 km | 10 km |
| Jul 14, 1993 | 8 km NNW of Vestbygd, Norway | M2.6 | 121 km | 5 km |
| Jun 8, 2005 | 3 km WNW of Skagen, Denmark | M2.6 | 132 km | 10 km |
| Aug 1, 1993 | 7 km S of Mandal, Norway | M2.6 | 78 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
3 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 | - | 138 km |
| 2011 | LYSEFJOREN, WESTERN NORWAY | Meteorological | - | - | 138 km |
| 1867 | WESTERN NORWAY | Earthquake | - | - | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 4.2 in | |
| February | 29°F (-2°C) | 2.7 in | Coldest |
| March | 34°F (1°C) | 3.3 in | |
| April | 41°F (5°C) | 2.2 in | Driest |
| May | 50°F (10°C) | 2.6 in | |
| June | 57°F (14°C) | 2.7 in | |
| July | 61°F (16°C) | 3.0 in | Warmest |
| August | 60°F (15°C) | 3.7 in | |
| September | 53°F (11°C) | 5.2 in | |
| October | 45°F (7°C) | 5.8 in | Wettest |
| November | 37°F (3°C) | 5.4 in | |
| December | 31°F (-0°C) | 3.9 in |
Grimstad has a seasonal temperature swing of 32°F / from 29°F in February to 61°F in July. Total annual precipitation is 44.5 inches, with October being the wettest month (5.8") and April the driest (2.2").