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Keflavík in December

Find out everything about the water temperature in Keflavík in December. Average, minimum and maximum recorded temperatures as well as daily temperature in December for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in December
Minimum:

37.2 °F

Average:

41.7 °F

Maximum:

44.2 °F

Sea water temperature in Keflavík in December

In the city of Keflavík, the month of December is too cold for swimming. The minimum recorded temperature during this month was 37.2°F on December 30, 2022, with an average temperature being 41.7°F and a maximum temperature reaching 44.2°F on December 8, 2022.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, the sea temperature remains relatively stable. The average temperature stays close to 41.7°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 42.8°F 40.9°F 43.6°F
Dec 2 42.8°F 40.8°F 43.9°F
Dec 3 42.7°F 40.7°F 44.0°F
Dec 4 42.6°F 41.0°F 43.8°F
Dec 5 42.6°F 41.1°F 43.5°F
Dec 6 42.5°F 41.1°F 43.4°F
Dec 7 42.5°F 40.3°F 43.4°F
Dec 8 42.5°F 40.7°F 42.9°F
Dec 9 42.4°F 40.8°F 42.5°F
Dec 10 42.2°F 40.3°F 42.5°F
Dec 11 42.1°F 40.4°F 42.6°F
Dec 12 41.9°F 40.2°F 42.6°F
Dec 13 41.8°F 40.5°F 42.7°F
Dec 14 41.8°F 40.7°F 42.6°F
Dec 15 41.8°F 40.2°F 42.4°F
Dec 16 41.6°F 40.1°F 42.2°F
Dec 17 41.7°F 40.1°F 42.7°F
Dec 18 41.6°F 40.2°F 42.3°F
Dec 19 41.5°F 40.3°F 42.3°F
Dec 20 41.3°F 40.4°F 42.0°F
Dec 21 41.2°F 40.8°F 42.0°F
Dec 22 41.2°F 40.3°F 41.6°F
Dec 23 41.2°F 40.3°F 42.3°F
Dec 24 41.1°F 40.2°F 42.0°F
Dec 25 40.9°F 40.0°F 41.8°F
Dec 26 40.9°F 40.0°F 41.8°F
Dec 27 40.8°F 39.9°F 40.8°F
Dec 28 40.9°F 40.0°F 41.8°F
Dec 29 40.7°F 39.9°F 41.3°F
Dec 30 40.5°F 39.6°F 41.5°F
Dec 31 40.5°F 39.7°F 41.2°F

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, 42.0°F in Spring, 51.0°F in Summer, and 47.4°F in Autumn. December's average temperature is a slight drop from November's average of 44.2°F. In January, the temperature is expected to decrease further, potentially averaging around 39.9°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Álftanes 37.0°F 18mi
Hafnarfjörður 37.0°F 19mi
Kópavogur 36.9°F 21mi
Reykjavík 36.9°F 22mi
Akranes 36.8°F 26mi

* current water temperature in this city

** straight line distance from Keflavík