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 9.45°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.

49.0

°F

June 6, 23:40

Trend:

stable

Yesterday:

48.0°F

Tomorrow:

48.9°F

Sunrise:

03:12

Sunset:

23:42

Day Length:

20 h. 30 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 49.0°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 0.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 49.3°F on 2018, while the historical minimum was 46.4°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 49.3°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
May 23	46.3°F	49.9°F	46.1°F
May 24	46.2°F	49.8°F	46.4°F
May 25	46.8°F	49.7°F	46.6°F
May 26	47.2°F	49.6°F	46.9°F
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	48.3°F
Jun 7	48.9°F	48.0°F	48.2°F
Jun 8	49.1°F	48.5°F	48.4°F
Jun 9	49.2°F	48.8°F	48.5°F
Jun 10	49.3°F	49.4°F	48.6°F
Jun 11	49.6°F	49.2°F	48.9°F
Jun 12	49.6°F	48.8°F	48.8°F
Jun 13	49.5°F	49.1°F	48.8°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	49.1°F	2mi
Álftanes	49.2°F	4mi
Hafnarfjörður	48.9°F	5mi
Akranes	48.8°F	14mi
Keflavík	48.7°F	22mi

* current water temperature in this city

** straight line distance from Reykjavík