28.12
sun
sun
Day
43°F
E 9 mph
Precip.
100%
100%
Night
43°F
E 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
43°F
E 5 mph
Precip.
100%
100%
Night
41°F
SE 8 mph
Precip.
0%
0%
30.12
tue
tue
Day
43°F
SE 12 mph
Precip.
0%
0%
Night
41°F
E 13 mph
Precip.
65%
65%
31.12
wed
wed
Day
41°F
E 19 mph
Precip.
0%
0%
Night
41°F
SE 14 mph
Precip.
63%
63%
01.01
thu
thu
Day
41°F
E 11 mph
Precip.
65%
65%
Night
41°F
N 8 mph
Precip.
75%
75%
02.01
fri
fri
Day
43°F
NW 13 mph
Precip.
100%
100%
Night
39°F
E 21 mph
Precip.
100%
100%
03.01
sat
sat
Day
41°F
E 19 mph
Precip.
100%
100%
Night
39°F
E 7 mph
Precip.
78%
78%
sea water
temperature
temperature
| Reykjavik |
monthly
weather
weather
| Reykjavik |
current
weather
weather
| Reykjavik |
14 days
forecast
forecast
| Reykjavik |
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.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 36.8°F. The highest and lowest sea temperatures during the month were 37.6°F and 36.0°F.
Air temperature in Reykjavik, °F
Precipitation total in Reykjavik, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Reykjavik
Reykjavik on a weather map
24 Hours Forecast
Reykjavik
Local time: 22:40
December 29, monday
0000
43°F
E
2 mph
2 mph
0300
43°F
SE
3 mph
3 mph
0600
43°F
E
1 mph
1 mph
0900
43°F
NE
3 mph
3 mph
1200
43°F
E
5 mph
5 mph
1500
41°F
SE
7 mph
7 mph
1800
41°F
SE
6 mph
6 mph
2100
41°F
SE
8 mph
8 mph
