Current Sea Water Temperature:
+42.0°F
| Maximum Sea Water Temperature in May: | 51.2°F |
| Minimum Sea Water Temperature in May: | 39.0°F |
| Average water temperature in May: | 43.9°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 11 | 42.0°F | May 06 | 42.0°F |
| May 10 | 41.2°F | May 05 | 42.0°F |
| May 09 | 41.6°F | May 04 | 42.0°F |
| May 08 | 42.2°F | May 03 | 41.2°F |
| May 07 | 42.2°F | May 02 | 41.4°F |
When is the Warmest Sea for Reykjavik?
According to our data for the last three years for Reykjavik the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2025 for Reykjavik was 54.0°F. The maximum and minimum values were 52.2°F and 56.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Reykjavik was 53.7°F. The maximum and minimum values were 52.0°F and 56.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Reykjavik was 54.2°F. The maximum and minimum values were 50.8°F and 57.4°F respectively.
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Reykjavik
Local time: 15:14
11 may, monday
| 1800 |  |
42°F | E 20 mph |
| 2100 |  |
42°F | E 20 mph |
12 may, tuesday
| 0000 |  |
42°F | E 17 mph |
| 0300 | |
40°F | NE 9 mph |
| 0600 |  |
40°F | SW 3 mph |
| 0900 | |
42°F | S 11 mph |
| 1200 | |
46°F | S 16 mph |
| 1500 | |
46°F | S 21 mph |