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 12.18°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.

Iceland > Reykjavík

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.

53.9

°F

June 25, 08:39

Trend:

decreasing

Yesterday:

54.4°F

Tomorrow:

53.6°F

Sunrise:

Sunset:

Day Length:

Reykjavík in July

Minimum:

32.9°F

Average:

37.2°F

Maximum:

39.8°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 53.9°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 3.6°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 fall 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 51.9°F on 2019, while the historical minimum was 48.6°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 54.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Reykjavík

Date	Current Year actual* / forecast**	last year	10 years average
Jun 11	51.5°F	49.2°F	49.1°F
Jun 12	51.1°F	48.8°F	49.0°F
Jun 13	52.1°F	49.1°F	49.1°F
Jun 14	52.5°F	49.4°F	49.4°F
Jun 15	52.3°F	51.2°F	49.8°F
Jun 16	52.1°F	53.6°F	50.2°F
Jun 17	52.5°F	54.0°F	50.4°F
Jun 18	52.3°F	53.6°F	50.6°F
Jun 19	54.2°F	53.2°F	50.8°F
Jun 20	55.2°F	52.1°F	50.9°F
Jun 21	55.2°F	51.9°F	51.0°F
Jun 22	55.5°F	51.7°F	50.9°F
Jun 23	54.8°F	51.5°F	50.7°F
Jun 24	54.4°F	51.3°F	50.7°F
Jun 25	53.9°F	51.2°F	50.3°F
Jun 26	53.6°F	50.7°F	49.9°F
Jun 27	53.7°F	50.4°F	50.0°F
Jun 28	53.9°F	50.3°F	50.2°F
Jun 29	53.9°F	51.5°F	50.3°F
Jun 30	54.3°F	51.7°F	50.6°F
Jul 1	54.5°F	52.4°F	50.8°F
Jul 2	54.7°F	52.0°F	51.0°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	53.7°F	2mi
Álftanes	53.3°F	4mi
Hafnarfjörður	53.6°F	5mi
Akranes	52.3°F	14mi
Keflavík	51.6°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík