What is the current water temperature in Reykjavík?

Q: What is the current water temperature in Reykjavík?

As of now, in Reykjavík, the water temperature is 11.86°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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Water temperature in Reykjavík

Detailed information about the current water temperature in Reykjavík. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

53.3

°F

July 25, 16:45

Trend:

stable

Yesterday:

53.6°F

Tomorrow:

53.5°F

Sunrise:

04:11

Sunset:

22:55

Day Length:

18 h. 44 min.

Reykjavík in August

Minimum:

33.0°F

Average:

37.1°F

Maximum:

39.8°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 53.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.5°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 55.2°F on 2019, while the historical minimum was 50.8°F on 2018.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 53.8°F, with minimum temperature starting at 53.5°F, while the maximum might reach 54.0°F.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
Jul 11	52.8°F	52.9°F	52.4°F
Jul 12	52.2°F	52.9°F	52.3°F
Jul 13	52.9°F	52.8°F	52.4°F
Jul 14	52.1°F	52.7°F	52.4°F
Jul 15	51.7°F	53.5°F	52.3°F
Jul 16	52.2°F	53.6°F	52.3°F
Jul 17	53.3°F	53.3°F	52.4°F
Jul 18	53.9°F	53.1°F	52.3°F
Jul 19	54.0°F	52.9°F	52.5°F
Jul 20	53.7°F	52.7°F	52.5°F
Jul 21	53.8°F	52.7°F	52.6°F
Jul 22	53.5°F	52.8°F	52.8°F
Jul 23	53.2°F	52.8°F	52.7°F
Jul 24	53.6°F	52.9°F	52.8°F
Jul 25	53.3°F	53.5°F	52.8°F
Jul 26	53.5°F	54.0°F	53.0°F
Jul 27	53.7°F	54.6°F	53.2°F
Jul 28	53.9°F	55.2°F	53.3°F
Jul 29	53.9°F	55.0°F	53.4°F
Jul 30	54.0°F	54.8°F	53.5°F
Jul 31	53.9°F	55.0°F	53.4°F
Aug 1	53.7°F	54.6°F	53.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Reykjavík by month

In an average year, Reykjavík offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Reykjavík was recorded on September 5, 2025, reaching a 57.1°F. While the coldest temperature occurred on February 19, 2017, dipping to 32.5°F. The average readings by season are 37.4°F in Winter, 40.7°F in Spring, 51.8°F in Summer, and 47.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kópavogur	53.2°F	2mi
Álftanes	52.9°F	4mi
Hafnarfjörður	53.1°F	5mi
Akranes	52.4°F	14mi
Keflavík	51.4°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík