World Resorts Iceland Reykjavik Weather

Reykjavik Sea Temperature in December

Average sea water temperature in December:
+38.7°F
Minimum sea water temperature in December: 42.8°F
Maximum sea water temperature in December: 33.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 40.1°F. The highest and lowest sea temperatures during the month were 41.7°F and 39.2°F.

Monthly sea water temperature in Reykjavik, °F

Which Iceland resorts have warmest sea in December?

Place name December 2025 December 2024
Reykjavik 40.1°F 38.1°F
Kopavogur 40.0°F 38.1°F
Akureyri 39.9°F 38.7°F
Tingvellir 38.2°F 37.9°F

Best time for vacation in Reykjavik

Sunniest months:
December 6 days
August 6 days
May 6 days
Warmest months:
July 55.6 °F
August 55.1 °F
June 52.0 °F
Warmest sea temp:
August 53.1 °F
July 52.5 °F
September 50.6 °F
Coldest months:
December 33.2 °F
January 33.3 °F
February 35.1 °F
Rainiest months:
September 9 days
January 8 days
April 7 days
Windiest months:
February 16.5 mph
January 15.7 mph
December 15.3 mph

Reykjavik on a weather map

Current weather
15:29
Reykjavik
+54°F
NE 6 mph
Feels like: +52°F
Precip.: 45%
Places in Iceland:
Name
°F
Akureyri
+66°F
Kopavogur
+54°F
Reykjavik
+54°F
Tingvellir
+54°F
24 Hours Forecast
Reykjavik
Local time: 15:29
July 21, tuesday
1800
54°F
NE
7 mph
2100
54°F
NE
7 mph
July 22, wednesday
0000
52°F
N
6 mph
0300
52°F
N
7 mph
0600
52°F
NW
10 mph
0900
52°F
NW
12 mph
1200
54°F
N
12 mph
1500
54°F
N
11 mph
Units of measurement: °C / °F