All data are in degrees Fahrenheit

en

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

52.1

°F

July 14, 06:58

Trend:

stable

Yesterday:

52.0°F

Tomorrow:

52.0°F

Sunrise:

03:42

Sunset:

23:29

Day Length:

19 h. 47 min.

Keflavík in July

Minimum:

39.0°F

Average:

40.2°F

Maximum:

41.7°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 52.1°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 0.6°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 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 52.8°F on 2023, while the historical minimum was 49.4°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 52.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Keflavík

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 50.7°F 49.3°F 49.9°F
Jul 1 51.1°F 49.4°F 50.0°F
Jul 2 51.0°F 49.5°F 50.3°F
Jul 3 50.8°F 49.7°F 50.3°F
Jul 4 50.9°F 49.8°F 50.6°F
Jul 5 51.3°F 49.6°F 50.7°F
Jul 6 51.9°F 49.8°F 50.8°F
Jul 7 52.6°F 49.7°F 50.9°F
Jul 8 52.6°F 50.1°F 51.2°F
Jul 9 52.5°F 50.3°F 51.3°F
Jul 10 52.4°F 50.2°F 51.4°F
Jul 11 52.2°F 50.2°F 51.2°F
Jul 12 52.1°F 50.3°F 51.4°F
Jul 13 52.0°F 50.3°F 51.3°F
Jul 14 52.1°F 50.4°F 51.5°F
Jul 15 52.0°F 50.1°F 51.3°F
Jul 16 52.1°F 50.4°F 51.4°F
Jul 17 51.9°F 50.4°F 51.3°F
Jul 18 52.1°F 50.4°F 51.5°F
Jul 19 52.2°F 50.9°F 51.6°F
Jul 20 52.3°F 51.4°F 51.6°F
Jul 21 52.4°F 51.5°F 51.7°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

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 40.3°F in Winter, 42.1°F in Spring, 50.9°F in Summer, and 47.3°F in Autumn.

Popular neighboring cities and resorts

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

* current water temperature in this city

** straight line distance from Keflavík