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Caernarfon in October

Find out everything about the water temperature in Caernarfon 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:

54.5 °F

Average:

57.5 °F

Maximum:

61.2 °F

Sea water temperature in Caernarfon in October

In the city of Caernarfon, the month of October is too cold for swimming. The minimum recorded temperature during this month was 54.5°F on October 31, 2018, with an average temperature being 57.5°F and a maximum temperature reaching 61.2°F on October 1, 2021.

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 57.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 59.4°F 58.7°F 60.4°F
Oct 2 59.4°F 58.4°F 60.5°F
Oct 3 59.2°F 57.7°F 60.4°F
Oct 4 59.0°F 57.8°F 60.4°F
Oct 5 58.8°F 57.7°F 60.0°F
Oct 6 58.6°F 57.5°F 59.7°F
Oct 7 58.4°F 57.0°F 59.5°F
Oct 8 58.4°F 57.3°F 59.7°F
Oct 9 58.2°F 57.0°F 59.5°F
Oct 10 58.1°F 57.0°F 59.7°F
Oct 11 58.0°F 56.6°F 59.6°F
Oct 12 57.9°F 56.6°F 59.5°F
Oct 13 57.8°F 56.5°F 59.4°F
Oct 14 57.7°F 56.6°F 59.5°F
Oct 15 57.6°F 55.9°F 59.1°F
Oct 16 57.5°F 55.9°F 58.9°F
Oct 17 57.4°F 55.8°F 58.7°F
Oct 18 57.2°F 55.6°F 58.5°F
Oct 19 57.1°F 55.7°F 58.3°F
Oct 20 57.1°F 55.9°F 58.1°F
Oct 21 56.9°F 55.9°F 57.9°F
Oct 22 56.8°F 55.7°F 57.8°F
Oct 23 56.6°F 55.6°F 57.4°F
Oct 24 56.5°F 55.5°F 57.1°F
Oct 25 56.3°F 55.6°F 56.3°F
Oct 26 56.2°F 55.1°F 56.2°F
Oct 27 56.2°F 55.3°F 56.1°F
Oct 28 56.1°F 55.2°F 56.1°F
Oct 29 56.0°F 55.2°F 56.2°F
Oct 30 55.9°F 55.1°F 56.0°F
Oct 31 55.9°F 55.1°F 56.0°F

Sea water temperature in Caernarfon by month

In an average year, Caernarfon offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Caernarfon was recorded on July 22, 2021, reaching a 66.9°F. While the coldest temperature occurred on March 11, 2018, dipping to 42.3°F. The average readings by season are 47.5°F in Winter, 49.0°F in Spring, 59.8°F in Summer, and 57.3°F in Autumn. October's average temperature is a slight drop from September's average of 60.7°F. In November, the temperature is expected to decrease further, potentially averaging around 53.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bangor 47.2°F 8mi
Holyhead 50.3°F 19mi
Conwy 47.4°F 21mi
Aberystwyth 48.1°F 51mi

* current water temperature in this city

** straight line distance from Caernarfon