20.12
sat
sat
Day

43°F
W 25 mph
Precip.
100%
100%
Night

43°F
W 12 mph
Precip.
0%
0%
21.12
sun
sun
Day

41°F
W 9 mph
Precip.
0%
0%
Night

39°F
W 12 mph
Precip.
0%
0%
22.12
mon
mon
Day

41°F
W 12 mph
Precip.
0%
0%
Night

41°F
W 20 mph
Precip.
79%
79%
23.12
tue
tue
Day

45°F
NW 11 mph
Precip.
78%
78%
Night

43°F
W 14 mph
Precip.
0%
0%
24.12
wed
wed
Day

45°F
NW 32 mph
Precip.
0%
0%
Night

43°F
NW 29 mph
Precip.
100%
100%
25.12
thu
thu
Day

36°F
SE 9 mph
Precip.
100%
100%
Night

37°F
NE 27 mph
Precip.
100%
100%
26.12
fri
fri
Day

41°F
NE 19 mph
Precip.
85%
85%
Night

37°F
NW 15 mph
Precip.
0%
0%
27.12
sat
sat
Day

43°F
NW 27 mph
Precip.
100%
100%
Night

43°F
N 15 mph
Precip.
100%
100%
28.12
sun
sun
Day

45°F
NE 19 mph
Precip.
100%
100%
Night

43°F
NE 10 mph
Precip.
100%
100%
29.12
mon
mon
Day

43°F
N 7 mph
Precip.
100%
100%
Night

41°F
NW 7 mph
Precip.
0%
0%
30.12
tue
tue
Day

43°F
NW 9 mph
Precip.
0%
0%
Night

43°F
N 7 mph
Precip.
86%
86%
31.12
wed
wed
Day

43°F
NE 6 mph
Precip.
66%
66%
Night

43°F
N 8 mph
Precip.
76%
76%
01.01
thu
thu
Day

43°F
NE 11 mph
Precip.
81%
81%
Night

43°F
NE 9 mph
Precip.
0%
0%
02.01
fri
fri
Day

43°F
NW 13 mph
Precip.
76%
76%
Night

41°F
SE 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Reykjavik |
monthly
weather
weather
| Reykjavik |
current
weather
weather
| Reykjavik |
7 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 40.0°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: 10:52
December 20, saturday
1200

43°F
W
25 mph
25 mph
1500

43°F
W
19 mph
19 mph
1800

43°F
W
14 mph
14 mph
2100

43°F
W
11 mph
11 mph
December 21, sunday
0000

43°F
W
12 mph
12 mph
0300

41°F
W
11 mph
11 mph
0600

43°F
W
11 mph
11 mph
0900

41°F
W
9 mph
9 mph

























