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Keflavík in October

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

44.3 °F

Average:

47.2 °F

Maximum:

50.7 °F

Sea water temperature in Keflavík in October

In the city of Keflavík, the month of October is too cold for swimming. The minimum recorded temperature during this month was 44.3°F on October 31, 2018, with an average temperature being 47.2°F and a maximum temperature reaching 50.7°F on October 1, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In October, the sea temperature remains relatively stable. The average temperature stays close to 47.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 49.1°F 47.5°F 50.7°F
Oct 2 48.9°F 47.5°F 50.4°F
Oct 3 48.8°F 47.4°F 50.3°F
Oct 4 48.6°F 47.8°F 50.1°F
Oct 5 48.5°F 47.7°F 49.8°F
Oct 6 48.3°F 47.5°F 49.6°F
Oct 7 48.2°F 47.2°F 49.6°F
Oct 8 48.1°F 47.0°F 49.4°F
Oct 9 48.1°F 46.8°F 49.5°F
Oct 10 48.0°F 46.6°F 49.2°F
Oct 11 47.8°F 46.8°F 49.1°F
Oct 12 47.7°F 46.5°F 49.0°F
Oct 13 47.4°F 46.2°F 48.7°F
Oct 14 47.2°F 46.3°F 48.3°F
Oct 15 47.2°F 46.3°F 48.0°F
Oct 16 47.1°F 46.3°F 47.9°F
Oct 17 47.1°F 46.2°F 47.7°F
Oct 18 46.9°F 46.1°F 47.5°F
Oct 19 46.9°F 46.1°F 47.4°F
Oct 20 46.7°F 45.9°F 47.2°F
Oct 21 46.6°F 45.7°F 47.1°F
Oct 22 46.6°F 45.4°F 47.3°F
Oct 23 46.3°F 45.4°F 46.8°F
Oct 24 46.2°F 45.3°F 46.9°F
Oct 25 46.2°F 45.3°F 46.9°F
Oct 26 46.2°F 45.5°F 47.4°F
Oct 27 45.9°F 45.2°F 47.1°F
Oct 28 45.9°F 44.9°F 47.6°F
Oct 29 45.9°F 44.8°F 46.9°F
Oct 30 45.7°F 45.0°F 47.4°F
Oct 31 45.6°F 44.6°F 47.8°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. October's average temperature is a slight drop from September's average of 50.6°F. In November, the temperature is expected to decrease further, potentially averaging around 44.2°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