All data are in degrees Fahrenheit

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Iceland > Keflavík

Water temperature in Keflavík

Detailed information about the current water temperature in Keflavík. 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 Keflavík now

51.7

°F

July 26, 22:48

Trend:

increasing

Yesterday:

51.4°F

Tomorrow:

51.9°F

Sunrise:

04:19

Sunset:

22:53

Day Length:

18 h. 34 min.

Keflavík in August

Minimum:

39.1°F

Average:

40.3°F

Maximum:

42.6°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 51.7°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 rise 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 54.9°F on 2019, while the historical minimum was 49.2°F on 2018.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 52.2°F, with minimum temperature starting at 51.9°F, while the maximum might reach 52.6°F.

Daily water temperature in Keflavík

Date Current Year

actual* / forecast**

 last year 10 years average
Jul 12 51.3°F 52.1°F 51.4°F
Jul 13 52.2°F 52.0°F 51.5°F
Jul 14 51.4°F 52.0°F 51.5°F
Jul 15 51.1°F 53.1°F 51.4°F
Jul 16 51.0°F 53.2°F 51.5°F
Jul 17 51.2°F 52.9°F 51.4°F
Jul 18 51.3°F 52.7°F 51.5°F
Jul 19 51.4°F 52.5°F 51.7°F
Jul 20 51.0°F 52.4°F 51.7°F
Jul 21 51.0°F 52.4°F 51.8°F
Jul 22 51.2°F 52.8°F 52.0°F
Jul 23 51.0°F 52.9°F 52.1°F
Jul 24 51.6°F 53.0°F 52.1°F
Jul 25 51.4°F 53.1°F 52.0°F
Jul 26 51.7°F 53.4°F 52.2°F
Jul 27 51.9°F 53.2°F 52.3°F
Jul 28 52.0°F 53.7°F 52.5°F
Jul 29 52.3°F 53.7°F 52.7°F
Jul 30 52.4°F 53.5°F 52.9°F
Jul 31 52.3°F 53.5°F 52.8°F
Aug 1 52.3°F 53.3°F 52.8°F
Aug 2 52.6°F 53.1°F 53.0°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 Keflavík by month

January

February

March

April

May

June

July

August

September

October

November

December

In an average year, Keflavík offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Keflavík was recorded on August 6, 2019, reaching a 56.1°F. While the coldest temperature occurred on February 9, 2024, dipping to 36.3°F. The average readings by season are 40.4°F in Winter, 42.2°F in Spring, 51.1°F in Summer, and 47.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Álftanes 52.9°F 18mi
Hafnarfjörður 53.4°F 19mi
Kópavogur 53.5°F 21mi
Reykjavík 53.8°F 22mi
Akranes 52.8°F 26mi

* current water temperature in this city

** straight line distance from Keflavík