Tjøme, Norway

Full City Profile

4,928 Population 5,299/sq mi density

75 ft Elevation 23 meters

45°F Avg Temperature 7°C

Tjøme has a cool climate with an average annual temperature of 45°F (7°C). Winters average 29°F in January while summers reach 63°F in July. The area gets 282 sunny days per year. Annual precipitation totals 29.7 inches. The area receives 8.3 inches of snow annually.

Temperature

29°F Jan (-2°C) 63°F Jul (17°C)

Annual Average	45.0°F
	17% below US avg
January Average	29°F (-2°C)
July Average	63°F (17°C)
Sunny Days	282 days/yr

Geography

Elevation	75 ft (23 m)
Area	0.9 sq mi (2.4 km²)
Population Density	5,299/sq mi
Coordinates	59.1109°N, 10.3933°W
Timezone	Europe/Oslo

Precipitation & Snow

Annual Rainfall 29.7"

22% below US avg

Snowfall 8.3"

Wettest Month (Oct) 3.86"

Driest Month (Feb) 1.54"

Air Quality

Earthquake History

17 earthquakes (M2.5+) within 150 km since 1990. Strongest: M3.8. Most recent: M2.9 on May 25, 2008.

Feb 19, 1992	5 km SE of Fredrikstad, Norway	M3.8	36 km
Nov 19, 1994	0 km WNW of Jessheim, Norway	M3.5	123 km
Nov 12, 1993	2 km SE of Åmotfors, Sweden	M3.4	133 km
Nov 29, 2000	9 km E of Strömstad, Sweden	M3.4	57 km
May 10, 1994	24 km SW of Ellös, Sweden	M3.2	126 km
Sep 28, 1993	44 km WSW of Grebbestad, Sweden	M2.9	59 km
May 25, 2008	4 km WSW of Åneby, Norway	M2.9	110 km
Apr 22, 1993	13 km W of Skärhamn, Sweden	M2.8	137 km
Aug 15, 1991	7 km ESE of Stavern, Norway	M2.7	20 km
Apr 26, 2005	24 km N of Hirtshals, Denmark	M2.7	147 km
Nov 19, 1994	7 km NW of Jessheim, Norway	M2.7	125 km
Nov 21, 1994	6 km NNW of Jessheim, Norway	M2.7	127 km
Dec 12, 1994	8 km S of Rotnes, Norway	M2.6	100 km
Aug 29, 1991	43 km W of Smögen, Sweden	M2.6	78 km
Feb 1, 1991	5 km SSE of Melsomvik, Norway	M2.6	8 km
Jan 29, 2005	7 km NNE of Hvittingfoss, Norway	M2.6	51 km
May 23, 1990	50 km WNW of Smögen, Sweden	M2.5	63 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1966	EASTERN NORWAY	Meteorological	6.0 m	—	56 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	29°F (-2°C)	2.2 in
February	29°F (-2°C)	1.5 in	Coldest, Driest
March	35°F (1°C)	2.1 in
April	42°F (5°C)	1.5 in
May	52°F (11°C)	1.8 in
June	59°F (15°C)	2.1 in
July	63°F (17°C)	2.4 in	Warmest
August	61°F (16°C)	2.8 in
September	54°F (12°C)	3.4 in
October	46°F (8°C)	3.9 in	Wettest
November	38°F (3°C)	3.6 in
December	32°F (-0°C)	2.4 in

Tjøme has a seasonal temperature swing of 34°F / from 29°F in February to 63°F in July. Total annual precipitation is 29.7 inches, with October being the wettest month (3.9") and February the driest (1.5").

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