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Keflavík in January

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

36.6 °F

Average:

39.9 °F

Maximum:

42.4 °F

Sea water temperature in Keflavík in January

In the city of Keflavík, the month of January is too cold for swimming. The minimum recorded temperature during this month was 36.6°F on January 24, 2023, with an average temperature being 39.9°F and a maximum temperature reaching 42.4°F on January 1, 2017.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In January, the sea temperature remains relatively stable. The average temperature stays close to 39.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 40.5°F 41.0°F 38.4°F
Jan 2 40.5°F 41.3°F 38.9°F
Jan 3 40.2°F 40.8°F 38.7°F
Jan 4 40.2°F 40.9°F 39.0°F
Jan 5 40.1°F 40.7°F 38.6°F
Jan 6 40.2°F 40.2°F 39.1°F
Jan 7 40.1°F 40.2°F 39.3°F
Jan 8 40.1°F 39.7°F 39.2°F
Jan 9 40.1°F 40.2°F 39.2°F
Jan 10 40.2°F 40.2°F 39.3°F
Jan 11 40.1°F 40.5°F 38.8°F
Jan 12 40.2°F 40.7°F 38.6°F
Jan 13 40.3°F 40.6°F 38.6°F
Jan 14 40.1°F 40.6°F 37.9°F
Jan 15 40.0°F 40.3°F 38.4°F
Jan 16 40.2°F 41.9°F 38.3°F
Jan 17 40.0°F 40.8°F 38.0°F
Jan 18 39.9°F 40.7°F 37.6°F
Jan 19 39.8°F 39.7°F 37.4°F
Jan 20 39.7°F 39.8°F 37.4°F
Jan 21 39.8°F 39.9°F 37.9°F
Jan 22 39.6°F 39.2°F 38.0°F
Jan 23 39.7°F 39.7°F 37.3°F
Jan 24 39.4°F 39.5°F 36.6°F
Jan 25 39.4°F 39.1°F 37.9°F
Jan 26 39.4°F 39.4°F 37.7°F
Jan 27 39.6°F 39.4°F 38.4°F
Jan 28 39.6°F 38.9°F 38.2°F
Jan 29 39.6°F 39.2°F 38.8°F
Jan 30 39.7°F 39.1°F 38.6°F
Jan 31 39.6°F 39.5°F 38.4°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. January's average temperature is a slight drop from December's average of 41.7°F. In February, the temperature is expected to decrease further, potentially averaging around 39.3°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