All data are in degrees Fahrenheit

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Water temperature in Hafnarfjörður

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

36.7

°F

December 22, 05:18

Trend:

decreasing

Yesterday:

36.8°F

Tomorrow:

36.7°F

Sunrise:

11:22

Sunset:

15:32

Day Length:

4 h. 10 min.

Hafnarfjörður in December

Minimum:

35.0°F

Average:

37.3°F

Maximum:

39.1°F

Sea water temperature in Hafnarfjörður today

As of now, in Hafnarfjörður, the water temperature is 36.7°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 1.9°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 stay about the same.

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 40.2°F on 2021, while the historical minimum was 35.9°F on 2016.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 36.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hafnarfjörður

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 39.1°F 40.9°F 39.8°F
Dec 9 39.1°F 40.4°F 39.9°F
Dec 10 38.9°F 39.9°F 39.6°F
Dec 11 38.7°F 40.0°F 39.4°F
Dec 12 38.3°F 40.2°F 39.1°F
Dec 13 38.4°F 40.0°F 39.0°F
Dec 14 38.4°F 39.9°F 39.0°F
Dec 15 37.8°F 39.9°F 38.9°F
Dec 16 37.7°F 39.7°F 38.9°F
Dec 17 37.4°F 39.9°F 38.8°F
Dec 18 37.2°F 39.5°F 38.7°F
Dec 19 37.2°F 39.5°F 38.6°F
Dec 20 37.4°F 39.3°F 38.5°F
Dec 21 36.8°F 40.0°F 38.7°F
Dec 22 36.7°F 39.6°F 38.6°F
Dec 23 36.7°F 40.1°F 38.5°F
Dec 24 36.7°F 39.9°F 38.6°F
Dec 25 36.7°F 38.8°F 38.6°F
Dec 26 36.7°F 39.2°F 38.5°F
Dec 27 36.6°F 38.8°F 38.4°F
Dec 28 36.4°F 39.2°F 38.3°F
Dec 29 36.4°F 39.1°F 38.3°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 Hafnarfjörður by month

In an average year, Hafnarfjörður offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Hafnarfjörður was recorded on August 15, 2021, reaching a 56.3°F. While the coldest temperature occurred on January 24, 2023, dipping to 33.8°F. The average readings by season are 37.7°F in Winter, 40.7°F in Spring, 51.5°F in Summer, and 46.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kópavogur 36.6°F 3mi
Álftanes 36.8°F 3mi
Reykjavík 36.5°F 5mi
Akranes 37.1°F 18mi
Keflavík 40.7°F 19mi

* current water temperature in this city

** straight line distance from Hafnarfjörður