All data are in degrees Fahrenheit

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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.
Sea temperature in Reykjavík now

53.0

°F

August 15, 20:15

Trend:

stable

Yesterday:

52.4°F

Tomorrow:

52.9°F

Sunrise:

05:18

Sunset:

21:45

Day Length:

16 h. 27 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 53.0°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 0.5°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable trend. 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 56.3°F on 2021, while the historical minimum was 52.1°F on 2020.

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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.8°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
Aug 1 53.3°F 54.6°F 53.2°F
Aug 2 53.4°F 54.4°F 53.3°F
Aug 3 53.5°F 54.0°F 53.5°F
Aug 4 53.5°F 54.0°F 53.5°F
Aug 5 53.2°F 53.9°F 53.6°F
Aug 6 53.7°F 53.8°F 53.8°F
Aug 7 53.9°F 53.9°F 53.9°F
Aug 8 54.2°F 53.6°F 53.8°F
Aug 9 52.8°F 53.5°F 53.8°F
Aug 10 52.3°F 53.6°F 53.9°F
Aug 11 52.4°F 53.6°F 53.9°F
Aug 12 52.3°F 52.8°F 53.4°F
Aug 13 51.8°F 52.4°F 53.4°F
Aug 14 52.4°F 52.3°F 53.3°F
Aug 15 53.0°F 52.5°F 53.6°F
Aug 16 52.9°F 52.1°F 53.4°F
Aug 17 52.9°F 52.1°F 53.5°F
Aug 18 52.8°F 52.1°F 53.4°F
Aug 19 52.7°F 53.1°F 53.3°F
Aug 20 52.6°F 53.0°F 53.2°F
Aug 21 52.8°F 54.6°F 53.4°F
Aug 22 52.6°F 53.7°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

January

February

March

April

May

June

July

August

September

October

November

December

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 52.9°F 2mi
Álftanes 52.7°F 4mi
Hafnarfjörður 52.9°F 5mi
Akranes 52.2°F 14mi
Keflavík 53.1°F 22mi

* current water temperature in this city

** straight line distance from Reykjavík