Measurements:
°C
°F
Reykjavik
36°F
NE 12 mph
Feels like: 26°F
Precip: 100%
World Resorts Iceland Reykjavik Weather

Reykjavik Sea Water Temperature

Current Sea Water Temperature:
+34.8°F
Maximum Sea Water Temperature in March: 39.8°F
Minimum Sea Water Temperature in March: 31.8°F
Average water temperature in March: 36.3°F

Sea Water Temperature for the Last 10 Days:

March 09 34.8°F March 04 36.0°F
March 08 35.6°F March 03 36.0°F
March 07 34.8°F March 02 36.2°F
March 06 35.4°F March 01 36.2°F
March 05 35.8°F February 28 36.4°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

Select Year: 2025 2024 2023

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

Select Year: 2025 2024 2023

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

Select Year: 2025 2024 2023

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.

Best Time to Visit Reykjavik
The most sunny months:
December 6 days
August 6 days
May 6 days
The most warm months:
July 56.2 °F
August 55.6 °F
June 52.3 °F
Warmest sea temperature:
August 53.4 °F
July 52.8 °F
September 50.6 °F
The most cold months:
December 31.3 °F
January 31.5 °F
February 33.4 °F
The most rainy months:
September 9 days
March 8 days
January 8 days
The most windy months:
February 16 mph
January 16 mph
December 15 mph

Reykjavik on the Weather Map

Iceland Resorts:
NAME
Akureyri +26
Kopavogur +36
Reykjavik +36
Tingvellir +32
24 Hours Weather Forecast
Reykjavik
Local time: 01:13
10 mar, tuesday
0300 38°F
NE
16 mph
0600 38°F
NE
20 mph
0900 36°F
NE
18 mph
1200 38°F
N
16 mph
1500 36°F
NE
17 mph
1800 34°F
NE
11 mph
2100 32°F
NW
4 mph
11 mar, wednesday
0000 30°F
N
9 mph