Current sea water temperature:
+39.9°F
| Minimum sea water temperature in December: | 42.8°F |
| Maximum sea water temperature in December: | 33.1°F |
| Average sea water temperature in December: | 38.7°F |
| more information | |
14 days
forecast
forecast
| Reykjavik |
monthly
weather
weather
| Reykjavik |
Sea water temperature for the last 10 days:
| December 26 | 39.9°F | December 21 | 40.3°F |
| December 25 | 39.9°F | December 20 | 39.4°F |
| December 24 | 40.1°F | December 19 | 39.2°F |
| December 23 | 40.3°F | December 18 | 39.4°F |
| December 22 | 40.5°F | December 17 | 39.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Reykjavik?
Based on the data about daily sea water temperature for the last three years the warmest sea in Reykjavik was noticed in August, July and September.
Monthly Sea Temperatures in Reykjavik, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 53.6°F. The highest and lowest sea temperatures during the month were 55.9°F and 52.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 53.3°F. The highest and lowest sea temperatures during the month were 55.4°F and 51.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 53.7°F. The highest and lowest sea temperatures during the month were 56.7°F and 50.7°F.
current
weather
weather
| Reykjavik |
weather in
December
December
| Reykjavik |
Best time for vacation in Reykjavik
Reykjavik on a weather map
24 Hours Forecast
Reykjavik
Local time: 09:29
December 26, friday
1200
39°F
E
23 mph
23 mph
1500
39°F
E
21 mph
21 mph
1800
37°F
E
12 mph
12 mph
2100
37°F
E
7 mph
7 mph
December 27, saturday
0000
37°F
E
1 mph
1 mph
0300
37°F
NW
6 mph
6 mph
0600
37°F
NW
7 mph
7 mph
0900
37°F
NW
9 mph
9 mph
