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 10.86°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.

51.5

°F

June 10, 00:32

Trend:

increasing

Yesterday:

51.5°F

Tomorrow:

51.9°F

Sunrise:

03:04

Sunset:

23:51

Day Length:

20 h. 47 min.

Reykjavík in June

Minimum:

33.0°F

Average:

37.1°F

Maximum:

39.7°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 51.5°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 3.0°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.7°F on 2016, while the historical minimum was 47.1°F on 2021.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 52.3°F, with minimum temperature starting at 51.8°F, while the maximum might reach 53.2°F.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
May 27	46.9°F	49.3°F	47.0°F
May 28	46.5°F	48.9°F	47.0°F
May 29	47.0°F	49.1°F	47.0°F
May 30	46.6°F	49.3°F	46.9°F
May 31	46.5°F	49.9°F	46.9°F
Jun 1	46.7°F	51.1°F	47.4°F
Jun 2	47.2°F	50.9°F	47.9°F
Jun 3	47.5°F	51.0°F	47.9°F
Jun 4	47.7°F	50.7°F	48.0°F
Jun 5	48.0°F	50.4°F	48.3°F
Jun 6	49.0°F	49.1°F	48.4°F
Jun 7	49.2°F	48.0°F	48.3°F
Jun 8	49.5°F	48.5°F	48.5°F
Jun 9	51.5°F	48.8°F	48.5°F
Jun 10	51.5°F	49.4°F	48.6°F
Jun 11	51.9°F	49.2°F	48.9°F
Jun 12	51.8°F	48.8°F	48.8°F
Jun 13	51.8°F	49.1°F	48.8°F
Jun 14	52.1°F	49.4°F	49.1°F
Jun 15	52.5°F	51.2°F	49.6°F
Jun 16	53.0°F	53.6°F	50.0°F
Jun 17	53.2°F	54.0°F	50.2°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, 51.7°F in Summer, and 47.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kópavogur	51.5°F	2mi
Álftanes	51.4°F	4mi
Hafnarfjörður	51.4°F	5mi
Akranes	49.6°F	14mi
Keflavík	49.5°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík