Measurements:
°C
°F
Reykjavik
42°F
NE 37 mph
Feels like: 30°F
Precip: 40%
World Resorts Iceland Reykjavik Weather

Reykjavik Sea Water Temperature

Current Sea Water Temperature:
+47.0°F
Maximum Sea Water Temperature in October: 53.0°F
Minimum Sea Water Temperature in October: 42.6°F
Average water temperature in October: 46.4°F

Sea Water Temperature for the Last 10 Days:

October 19 47.0°F October 14 48.0°F
October 18 47.2°F October 13 48.0°F
October 17 47.0°F October 12 48.0°F
October 16 47.4°F October 11 48.4°F
October 15 48.0°F October 10 48.6°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Reykjavik was 53.6°F. The maximum and minimum values were 52.0°F and 54.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Reykjavik was 53.4°F. The maximum and minimum values were 51.8°F and 54.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Reykjavik was 51.5°F. The maximum and minimum values were 49.8°F and 53.8°F respectively.

Best Time to Visit Reykjavik
The most sunny months:
August 7 days
December 6 days
May 6 days
The most warm months:
July 56.0 °F
August 55.3 °F
June 52.2 °F
Warmest sea temperature:
August 53.4 °F
July 52.8 °F
September 50.7 °F
The most cold months:
December 31.3 °F
January 31.5 °F
February 33.4 °F
The most rainy months:
September 8 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
F°
Akureyri +36
Kopavogur +42
Reykjavik +42
Tingvellir +38
24 Hours Weather Forecast
Reykjavik
Local time: 07:29
19 oct, monday
0900 42°F
NE
34 mph
1200 44°F
N
30 mph
1500 44°F
N
25 mph
1800 40°F
N
11 mph
2100 38°F
E
11 mph
20 oct, tuesday
0000 36°F
W
9 mph
0300 38°F
NW
8 mph
0600 42°F
N
13 mph