What is the current water temperature in Keflavík?

Q: What is the current water temperature in Keflavík?

As of now, in Keflavík, the water temperature is 6.02°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.

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.

42.8

°F

December 11, 05:12

Trend:

decreasing

Yesterday:

42.9°F

Tomorrow:

42.6°F

Sunrise:

11:09

Sunset:

15:37

Day Length:

4 h. 28 min.

Keflavík in December

Minimum:

38.6°F

Average:

40.2°F

Maximum:

41.9°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 42.8°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 0.8°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 43.6°F on 2016, while the historical minimum was 40.4°F on 2024.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 42.5°F, the minimum temperature may reach 42.4°F, and the maximum might stay at 42.6°F.

Daily water temperature in Keflavík

Date	Current Year actual* / forecast**	last year	10 years average
Nov 27	44.0°F	41.5°F	43.3°F
Nov 28	43.9°F	41.7°F	43.3°F
Nov 29	43.7°F	41.1°F	43.1°F
Nov 30	43.3°F	42.0°F	42.9°F
Dec 1	43.2°F	40.9°F	42.7°F
Dec 2	42.9°F	40.8°F	42.7°F
Dec 3	42.9°F	40.7°F	42.6°F
Dec 4	42.9°F	41.0°F	42.6°F
Dec 5	42.9°F	41.1°F	42.6°F
Dec 6	43.1°F	41.1°F	42.5°F
Dec 7	43.3°F	40.3°F	42.5°F
Dec 8	43.3°F	40.7°F	42.5°F
Dec 9	43.1°F	40.8°F	42.4°F
Dec 10	42.9°F	40.3°F	42.1°F
Dec 11	42.8°F	40.4°F	42.0°F
Dec 12	42.6°F	40.2°F	41.8°F
Dec 13	42.5°F	40.5°F	41.7°F
Dec 14	42.5°F	40.7°F	41.7°F
Dec 15	42.5°F	40.2°F	41.8°F
Dec 16	42.4°F	40.1°F	41.6°F
Dec 17	42.4°F	40.1°F	41.6°F
Dec 18	42.4°F	40.2°F	41.6°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 47.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Álftanes	40.3°F	18mi
Hafnarfjörður	40.2°F	19mi
Kópavogur	39.9°F	21mi
Reykjavík	39.7°F	22mi
Akranes	40.0°F	26mi

* current water temperature in this city

** straight line distance from Keflavík