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 39.3°F 38.7°F
Tingvellir 38.1°F 37.9°F

Best time for vacation in Reykjavik

Sunniest months:
August 6 days
May 6 days
December 6 days
Warmest months:
July 55.6 °F
August 55.1 °F
June 52.1 °F
Warmest sea temp:
August 53.1 °F
July 52.5 °F
September 50.6 °F
Coldest months:
December 32.8 °F
January 33.4 °F
February 35.4 °F
Rainiest months:
September 9 days
January 9 days
February 8 days
Windiest months:
February 16.9 mph
January 15.9 mph
December 15.3 mph

Reykjavik on a weather map

Current weather
08:48
Reykjavik
+45°F
W 14 mph
Feels like: +37°F
Precip.: 0%
Places in Iceland:
Name
°F
Akureyri
+34°F
Kopavogur
+45°F
Reykjavik
+45°F
Tingvellir
+39°F
24 Hours Forecast
Reykjavik
Local time: 08:48
December 21, sunday
0900
45°F
W
14 mph
1200
43°F
W
16 mph
1500
43°F
NW
20 mph
1800
43°F
NW
23 mph
2100
43°F
NW
22 mph
December 22, monday
0000
41°F
NW
21 mph
0300
41°F
NW
22 mph
0600
43°F
W
22 mph
Units of measurement: °C / °F