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Bethlehem in December

Find out everything about the water temperature in Bethlehem 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:

61.1 °F

Average:

66.4 °F

Maximum:

71.4 °F

Sea water temperature in Bethlehem in December

In the city of Bethlehem, the month of December is somewhat comfortable for swimming. The minimum recorded temperature during this month was 61.1°F on December 1, 2016, with an average temperature being 66.4°F and a maximum temperature reaching 71.4°F on December 31, 2022.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In December, the sea temperature remains relatively stable. The average temperature stays close to 66.4°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 64.1°F 63.8°F 64.0°F
Dec 2 64.3°F 63.8°F 64.3°F
Dec 3 64.5°F 64.6°F 64.3°F
Dec 4 64.7°F 65.2°F 64.7°F
Dec 5 65.0°F 65.9°F 64.7°F
Dec 6 65.3°F 67.4°F 64.6°F
Dec 7 65.5°F 68.0°F 65.2°F
Dec 8 65.6°F 67.9°F 65.0°F
Dec 9 65.7°F 67.5°F 65.2°F
Dec 10 66.0°F 67.3°F 65.8°F
Dec 11 66.0°F 67.0°F 65.7°F
Dec 12 66.2°F 66.9°F 66.7°F
Dec 13 66.1°F 66.3°F 65.7°F
Dec 14 66.2°F 66.3°F 65.2°F
Dec 15 66.1°F 67.3°F 65.4°F
Dec 16 66.3°F 67.0°F 65.1°F
Dec 17 66.5°F 68.5°F 66.3°F
Dec 18 66.4°F 67.4°F 65.3°F
Dec 19 66.6°F 66.6°F 66.6°F
Dec 20 66.8°F 67.1°F 66.9°F
Dec 21 67.1°F 68.3°F 67.7°F
Dec 22 67.2°F 68.3°F 68.9°F
Dec 23 67.3°F 68.9°F 68.6°F
Dec 24 67.4°F 68.7°F 68.4°F
Dec 25 67.4°F 69.0°F 68.1°F
Dec 26 67.7°F 68.9°F 68.7°F
Dec 27 68.1°F 70.2°F 69.4°F
Dec 28 68.0°F 69.2°F 69.3°F
Dec 29 67.8°F 68.3°F 69.1°F
Dec 30 67.9°F 69.4°F 69.2°F
Dec 31 67.9°F 69.2°F 69.5°F

Sea water temperature in Bethlehem by month

In an average year, Bethlehem offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Bethlehem was recorded on January 29, 2018, reaching a 74.3°F. While the coldest temperature occurred on August 23, 2023, dipping to 54.7°F. The average readings by season are 68.9°F in Winter, 66.7°F in Spring, 58.2°F in Summer, and 60.0°F in Autumn. The average temperature in December is slightly warmer than November's average of 62.7°F. And in January, the temperature is expected to rise further, potentially reaching an average of 69.5°F.