World Resorts Iceland Reykjavik Weather

Reykjavik sea water temperature

Current sea water temperature:
+39.4°F
Minimum sea water temperature in January: 41.4°F
Maximum sea water temperature in January: 32.7°F
Average sea water temperature in January: 37.2°F

Sea water temperature for the last 10 days:

January 11 39.4°F January 6 39.7°F
January 10 39.7°F January 5 39.4°F
January 9 39.9°F January 4 39.9°F
January 8 39.6°F January 3 40.3°F
January 7 39.7°F January 2 40.3°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.

Best time for vacation in Reykjavik

Sunniest months:
August 6 days
May 6 days
December 6 days
Warmest months:
July 55.6 °F
August 55.1 °F
June 52.1 °F
Warmest sea temp:
August 53.1 °F
July 52.5 °F
September 50.6 °F
Coldest months:
December 33.2 °F
January 33.4 °F
February 35.4 °F
Rainiest months:
September 9 days
January 9 days
February 8 days
Windiest months:
February 16.9 mph
January 15.9 mph
December 15.3 mph

Reykjavik on a weather map

Reykjavik
+28°F
S 25 mph
Feels like: +14°F
Precip.: 0%
Places in Iceland:
Name
°F
+18°F
+28°F
+28°F
+23°F
24 Hours Forecast
Reykjavik
Local time: 22:57
January 12, monday
0000
28°F
S
25 mph
0300
30°F
S
31 mph
0600
28°F
S
34 mph
0900
27°F
S
33 mph
1200
27°F
S
30 mph
1500
27°F
S
27 mph
1800
27°F
S
24 mph
2100
27°F
S
22 mph
Units of measurement: °C / °F