Measurements:
°C
°F
Reykjavik
52°F
SE 3 mph
Feels like: 52°F
Precip: 0%
World Resorts Iceland Reykjavik Weather

Reykjavik Sea Water Temperature

Current Sea Water Temperature:
+46.0°F
Maximum Sea Water Temperature in May: 51.2°F
Minimum Sea Water Temperature in May: 39.0°F
Average water temperature in May: 44.0°F

Sea Water Temperature for the Last 10 Days:

May 31 46.0°F May 26 46.8°F
May 30 46.2°F May 25 46.4°F
May 29 46.6°F May 24 45.6°F
May 28 46.2°F May 23 45.6°F
May 27 46.6°F May 22 45.4°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
January 8 days
April 7 days
The most windy months:
February 16 mph
January 16 mph
December 15 mph

Reykjavik on the Weather Map

Iceland Resorts:
NAME
Akureyri +58
Kopavogur +52
Reykjavik +52
Tingvellir +58
24 Hours Weather Forecast
Reykjavik
Local time: 16:12
31 may, sunday
1800 52°F
E
6 mph
2100 50°F
NW
1 mph
01 jun, monday
0000 48°F
S
1 mph
0300 48°F
SE
5 mph
0600 48°F
SE
8 mph
0900 48°F
SE
7 mph
1200 52°F
SE
6 mph
1500 52°F
SE
6 mph