All data are in degrees Fahrenheit

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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.
Sea temperature in Kópavogur now

53.9

°F

July 20, 00:25

Trend:

increasing

Yesterday:

53.9°F

Tomorrow:

53.9°F

Sunrise:

03:56

Sunset:

23:11

Day Length:

19 h. 15 min.

Kópavogur in July

Minimum:

33.3°F

Average:

37.3°F

Maximum:

40.0°F

Sea water temperature in Kópavogur today

As of now, in Kópavogur, the water temperature is 53.9°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 1.5°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 54.1°F on 2019, while the historical minimum was 51.1°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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 54.2°F, with minimum temperature starting at 53.9°F, while the maximum might reach 54.6°F.

Daily water temperature in Kópavogur

Date Current Year

actual* / forecast**

last year 10 years average
Jul 6 53.5°F 52.9°F 52.0°F
Jul 7 52.9°F 53.4°F 51.9°F
Jul 8 52.3°F 53.3°F 52.1°F
Jul 9 52.8°F 53.2°F 52.3°F
Jul 10 52.8°F 53.0°F 52.3°F
Jul 11 52.7°F 52.9°F 52.3°F
Jul 12 52.2°F 52.9°F 52.3°F
Jul 13 52.9°F 52.8°F 52.4°F
Jul 14 52.0°F 52.7°F 52.3°F
Jul 15 51.7°F 53.7°F 52.3°F
Jul 16 52.1°F 53.7°F 52.3°F
Jul 17 53.2°F 53.4°F 52.3°F
Jul 18 53.8°F 53.2°F 52.3°F
Jul 19 53.9°F 53.0°F 52.4°F
Jul 20 53.9°F 52.8°F 52.4°F
Jul 21 53.9°F 52.7°F 52.5°F
Jul 22 54.2°F 52.8°F 52.8°F
Jul 23 54.2°F 52.8°F 52.7°F
Jul 24 54.2°F 52.9°F 52.8°F
Jul 25 54.3°F 53.6°F 52.8°F
Jul 26 54.4°F 54.2°F 53.0°F
Jul 27 54.6°F 54.8°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 54.0°F 2mi
Hafnarfjörður 53.6°F 3mi
Álftanes 53.4°F 3mi
Akranes 52.1°F 15mi
Keflavík 51.5°F 21mi

* current water temperature in this city

** straight line distance from Kópavogur