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Trieste in December

Find out everything about the water temperature in Trieste 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:

50.3 °F

Average:

55.1 °F

Maximum:

59.8 °F

Sea water temperature in Trieste in December

In the city of Trieste, the month of December is too cold for swimming. The minimum recorded temperature during this month was 50.3°F on December 31, 2018, with an average temperature being 55.1°F and a maximum temperature reaching 59.8°F on December 4, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of December, the sea temperature gradually gets colder. Starting with an average temperature of 56.9°F at the beginning of the month, it steadily decreases to around 53.3°F by the end.
Date 10 years average 2024 2023
Dec 1 58.0°F 59.1°F 58.5°F
Dec 2 57.7°F 58.8°F 58.2°F
Dec 3 57.4°F 57.9°F 58.8°F
Dec 4 57.2°F 57.5°F 58.3°F
Dec 5 56.9°F 58.1°F 57.7°F
Dec 6 56.8°F 57.8°F 57.6°F
Dec 7 56.6°F 57.3°F 57.6°F
Dec 8 56.5°F 57.3°F 57.5°F
Dec 9 56.2°F 56.7°F 57.1°F
Dec 10 56.1°F 57.2°F 56.9°F
Dec 11 56.0°F 57.0°F 56.1°F
Dec 12 55.9°F 56.7°F 56.1°F
Dec 13 55.6°F 57.1°F 55.9°F
Dec 14 55.4°F 56.7°F 55.5°F
Dec 15 55.3°F 56.8°F 55.6°F
Dec 16 55.3°F 56.9°F 56.8°F
Dec 17 55.1°F 55.6°F 56.1°F
Dec 18 54.9°F 55.3°F 55.8°F
Dec 19 54.9°F 55.2°F 55.0°F
Dec 20 54.9°F 55.1°F 55.1°F
Dec 21 54.9°F 55.5°F 54.9°F
Dec 22 54.5°F 54.8°F 54.4°F
Dec 23 54.2°F 54.1°F 54.6°F
Dec 24 53.7°F 53.7°F 53.7°F
Dec 25 53.4°F 54.0°F 54.2°F
Dec 26 53.2°F 53.5°F 53.4°F
Dec 27 52.8°F 53.1°F 52.9°F
Dec 28 52.7°F 52.2°F 52.4°F
Dec 29 52.5°F 51.8°F 52.1°F
Dec 30 52.5°F 51.9°F 51.7°F
Dec 31 52.2°F 51.4°F 51.6°F

Sea water temperature in Trieste by month

In Trieste, the months July through September offer comfortable swimming conditions, which amounts to 94 swimming days. The warmest water in Trieste was recorded on July 23, 2015, reaching a 85.2°F. While the coldest temperature occurred on February 9, 2019, dipping to 47.0°F. The average readings by season are 51.5°F in Winter, 56.6°F in Spring, 76.8°F in Summer, and 67.5°F in Autumn. December's average temperature is a slight drop from November's average of 61.3°F. In January, the temperature is expected to decrease further, potentially averaging around 50.6°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Poreč 52.4°F 31mi
Lignano Sabbiadoro 47.5°F 32mi
Lovran 53.0°F 35mi
Rijeka 52.9°F 39mi
Rovinj 52.7°F 40mi
Rabac 53.3°F 44mi
Caorle 48.8°F 44mi

* current water temperature in this city

** straight line distance from Trieste