All data are in degrees Fahrenheit

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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.
Sea temperature in Reykjavík now

38.0

°F

March 2, 12:43

Trend:

stable

Yesterday:

38.0°F

Tomorrow:

38.1°F

Sunrise:

08:33

Sunset:

18:48

Day Length:

10 h. 15 min.

Reykjavík in March

Minimum:

33.5°F

Average:

37.8°F

Maximum:

40.4°F

Sea water temperature in Reykjavík today

As of now, in Reykjavík, the water temperature is 38.0°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 1.2°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 38.6°F on 2025, while the historical minimum was 34.9°F on 2017.

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 38.3°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
Feb 16 38.5°F 39.1°F 36.3°F
Feb 17 38.8°F 39.0°F 36.2°F
Feb 18 38.6°F 38.8°F 36.1°F
Feb 19 39.3°F 38.6°F 36.1°F
Feb 20 38.1°F 39.1°F 36.2°F
Feb 21 37.8°F 39.4°F 36.1°F
Feb 22 38.0°F 39.0°F 36.1°F
Feb 23 37.8°F 38.9°F 36.2°F
Feb 24 38.3°F 38.5°F 36.5°F
Feb 25 38.5°F 38.8°F 36.3°F
Feb 26 38.1°F 38.4°F 36.3°F
Feb 27 38.2°F 38.6°F 36.6°F
Feb 28 38.2°F 38.5°F 36.8°F
Mar 1 38.0°F 38.7°F 36.8°F
Mar 2 38.0°F 38.6°F 36.8°F
Mar 3 38.1°F 38.6°F 36.9°F
Mar 4 38.1°F 38.6°F 36.9°F
Mar 5 38.2°F 38.4°F 37.0°F
Mar 6 38.4°F 38.4°F 37.1°F
Mar 7 38.3°F 38.0°F 37.1°F
Mar 8 38.5°F 37.6°F 37.3°F
Mar 9 38.6°F 37.2°F 37.4°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 37.9°F 2mi
Álftanes 38.0°F 4mi
Hafnarfjörður 38.0°F 5mi
Akranes 36.6°F 14mi
Keflavík 39.8°F 22mi

* current water temperature in this city

** straight line distance from Reykjavík