What is the current water temperature in Kópavogur?

Q: What is the current water temperature in Kópavogur?

As of now, in Kópavogur, the water temperature is 10.99°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 > Kópavogur

Water temperature in Kópavogur

Detailed information about the current water temperature in Kópavogur. 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.

51.8

°F

August 13, 08:27

Trend:

decreasing

Yesterday:

52.3°F

Tomorrow:

51.6°F

Sunrise:

05:12

Sunset:

21:52

Day Length:

16 h. 40 min.

Kópavogur in August

Minimum:

33.4°F

Average:

37.2°F

Maximum:

40.0°F

Sea water temperature in Kópavogur today

As of now, in Kópavogur, the water temperature is 51.8°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 1.8°F lower 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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 56.2°F on 2023, while the historical minimum was 51.7°F on 2020.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 51.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Kópavogur

Date	Current Year actual* / forecast**	last year	10 years average
Jul 30	54.0°F	54.8°F	53.6°F
Jul 31	52.4°F	55.1°F	53.3°F
Aug 1	53.1°F	54.7°F	53.2°F
Aug 2	53.2°F	54.4°F	53.3°F
Aug 3	53.5°F	54.0°F	53.5°F
Aug 4	53.4°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	53.8°F	53.9°F
Aug 8	54.2°F	53.5°F	53.8°F
Aug 9	52.7°F	53.5°F	53.8°F
Aug 10	52.0°F	53.5°F	53.8°F
Aug 11	52.3°F	53.5°F	53.9°F
Aug 12	52.3°F	52.8°F	53.4°F
Aug 13	51.8°F	52.4°F	53.6°F
Aug 14	51.6°F	52.3°F	53.4°F
Aug 15	51.8°F	52.5°F	53.6°F
Aug 16	51.6°F	52.2°F	53.4°F
Aug 17	51.7°F	52.2°F	53.5°F
Aug 18	51.5°F	52.1°F	53.3°F
Aug 19	51.5°F	53.3°F	53.2°F
Aug 20	51.4°F	53.1°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 Kópavogur by month

In an average year, Kópavogur offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Kópavogur was recorded on September 5, 2025, reaching a 56.8°F. While the coldest temperature occurred on February 19, 2017, dipping to 33.0°F. The average readings by season are 37.6°F in Winter, 40.7°F in Spring, 51.7°F in Summer, and 47.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Reykjavík	51.8°F	2mi
Hafnarfjörður	51.7°F	3mi
Álftanes	51.8°F	3mi
Akranes	51.8°F	15mi
Keflavík	52.5°F	21mi

* current water temperature in this city

** straight line distance from Kópavogur