Current sea water temperature:
+36.5°F
| Minimum sea water temperature in April: | 43.9°F |
| Maximum sea water temperature in April: | 36.0°F |
| Average sea water temperature in April: | 39.9°F |
| more information | |
14 days
forecast
forecast
| Reykjavik |
monthly
weather
weather
| Reykjavik |
Sea water temperature for the last 10 days:
| April 5 | 36.5°F | March 31 | 36.3°F |
| April 4 | 36.1°F | March 30 | 36.3°F |
| April 3 | 36.1°F | March 29 | 36.3°F |
| April 2 | 36.1°F | March 28 | 36.3°F |
| April 1 | 36.1°F | March 27 | 36.5°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
April
April
| Reykjavik |
Best time for vacation in Reykjavik
Reykjavik on a weather map
24 Hours Forecast
Reykjavik
Local time: 16:49
April 05, sunday
1800

36°F
W
11 mph
11 mph
2100

34°F
NW
15 mph
15 mph
April 06, monday
0000

32°F
W
13 mph
13 mph
0300

30°F
W
14 mph
14 mph
0600

30°F
W
17 mph
17 mph
0900

32°F
W
26 mph
26 mph
1200

34°F
W
35 mph
35 mph
1500

36°F
W
43 mph
43 mph



























