Karmøy (island)

Island Norwegian island in Rogaland with coastal towns

Karmøy island in Rogaland mixes fishing villages, sandy beaches and the historic Avaldsnes area with Viking‑era sites; visitors drive the coast for seafood, maritime museums, surf breaks and shoreline walks.

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Karmøy is an island and municipality in Rogaland county on Norway’s southwestern coast. The island includes several towns and long stretches of coastline with historic and maritime heritage.

Visitors encounter coastal scenery, fishing villages, beaches and cultural sites tied to Norway’s maritime past. Important cultural attractions include Avaldsnes, with its medieval church and associations with Viking Age and early royal activity, as well as the towns of Kopervik and Skudeneshavn.

Karmøy has been settled since the Viking Age and earlier, serving historically as a maritime and fishing hub; Avaldsnes on the island is traditionally linked to early Norwegian royal power. Over later centuries the island developed fishing, shipbuilding and coastal trade.

The island lies off Norway’s southwest coast in Rogaland, west of the town of Haugesund across the Karmsundet strait and forms part of the coastal archipelago of the region.

  • Avaldsnes site: The island contains Avaldsnes, a site associated with Viking Age royal estates and a medieval church, making it important for Norwegian early-history tourism.

What to See #

  • Avaldsnes: Historic site with a medieval church and archaeological remains linked to Norway's early royal and Viking Age activity; it is one of the island's primary cultural attractions.
  • Kopervik: The main population and service centre on the island, Kopervik is the largest town and administrative hub for Karmøy municipality.
  • Skudeneshavn: A well-preserved coastal town on the island's southern tip, known for its wooden buildings and maritime history.
Karmøy (island)
Karmøy Island, Rogaland, Norway
59.2500, 5.2500

How to Get to Karmøy (island) #

Karmøy is connected to the mainland by bridges (notably the Karmsund Bridge) and is reachable by car from Stavanger (approximately 40-60 minutes). Regular bus services link Karmøy’s towns with regional centers and ferries connect to nearby islands.

Tips for Visiting Karmøy (island) #

  • Explore the island's Viking and maritime heritage at local museums (Le Hauge and Avaldsnes) on Karmøy.
  • Drive the coastal roads slowly - the island offers several scenic viewpoints over the North Sea.
  • If visiting in summer, try local seafood in towns like Skudeneshavn; ferry schedules to surrounding isles are frequent.

Best Time to Visit Karmøy (island) #

Summer provides the most comfortable conditions for coastal exploration and outdoor activities.

Summer
Jun-Aug · 10-20 °C
Longest daylight hours, mild weather, best for road trips and coastal hikes.
Winter
Dec-Feb · -5-6 °C
Dark and dramatic - northern lights possible; rougher seas.

Weather & Climate near Karmøy (island) #

Climate

Karmøy (island)'s climate is classified as Oceanic - Oceanic climate with cool summers (peaking in August) and cold winters (coldest in February). Temperatures range from -1°C to 17°C. Abundant rainfall (1582 mm/year), wettest in October.

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
24°
Warmest Month
-9°
Coldest Month
Monthly Conditions

January

January is cold with highs of 4°C and lows of 0°C. Significant rainfall (148 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

148 mm
Rainfall
6.6 m/s
Wind
Breezy
0.0
UV Index
Low
6.7h daylight

February

February is the coolest month with highs of 4°C and lows of -1°C. Significant rainfall (106 mm) and mostly overcast skies.

38 Poor

Comfort

Feels Like Cold
C
Temperature
-1°
84%
Humidity
Very Humid

Weather

106 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.0h daylight

March

March is cold with highs of 5°C and lows of 0°C. Significant rainfall (119 mm) and mostly overcast skies.

40 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

119 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.2
UV Index
Low
11.6h daylight

April

April is cold with highs of 8°C and lows of 2°C. Moderate rainfall (74 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
84%
Humidity
Very Humid

Weather

74 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
14.3h daylight

May

May is cold with highs of 13°C and lows of 6°C. Moderate rainfall (76 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
84%
Humidity
Very Humid

Weather

76 mm
Rainfall
4.6 m/s
Wind
Light Breeze
1.0
UV Index
High
16.8h daylight

June

June is cool with highs of 15°C and lows of 9°C. Regular rainfall (82 mm) and mostly overcast skies.

62 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
85%
Humidity
Very Humid

Weather

82 mm
Rainfall
4.6 m/s
Wind
Light Breeze
1.3
UV Index
High
18.2h daylight

July

July is cool with highs of 17°C and lows of 11°C. Significant rainfall (105 mm) and mostly overcast skies.

60 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
85%
Humidity
Very Humid

Weather

105 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.2
UV Index
High
17.5h daylight

August

August is cool with highs of 17°C and lows of 11°C. Significant rainfall (140 mm) and mostly overcast skies.

58 Acceptable

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°
84%
Humidity
Very Humid

Weather

140 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
15.3h daylight

September

September is cool with highs of 14°C and lows of 9°C. Significant rainfall (179 mm) and mostly overcast skies.

48 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
14°
83%
Humidity
Very Humid

Weather

179 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.4
UV Index
Low
12.6h daylight

October

October is cold with highs of 11°C and lows of 6°C. The wettest month with heavy rain (195 mm) and mostly overcast skies.

46 Poor

Comfort

Feels Like Cold
C
Temperature
11°
82%
Humidity
Very Humid

Weather

195 mm
Rainfall
5.8 m/s
Wind
Light Breeze
0.1
UV Index
Low
10.0h daylight

November

November is cold with highs of 7°C and lows of 3°C. Significant rainfall (184 mm), mostly overcast skies, and breezy conditions.

34 Poor

Comfort

Feels Like Cold
C
Temperature
83%
Humidity
Very Humid

Weather

184 mm
Rainfall
6.0 m/s
Wind
Breezy
0.0
UV Index
Low
7.4h daylight

December

December is cold with highs of 5°C and lows of 1°C. Significant rainfall (174 mm), mostly overcast skies, and breezy conditions.

32 Poor

Comfort

Feels Like Cold
C
Temperature
83%
Humidity
Very Humid

Weather

174 mm
Rainfall
6.2 m/s
Wind
Breezy
0.0
UV Index
Low
5.9h daylight

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