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Rijeka in December

Find out everything about the water temperature in Rijeka 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:

53.0 °F

Average:

56.5 °F

Maximum:

60.9 °F

Sea water temperature in Rijeka in December

In the city of Rijeka, the month of December is too cold for swimming. The minimum recorded temperature during this month was 53.0°F on December 31, 2017, with an average temperature being 56.5°F and a maximum temperature reaching 60.9°F on December 3, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, the sea temperature remains relatively stable. The average temperature stays close to 56.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 58.9°F 59.3°F 60.5°F
Dec 2 58.4°F 59.1°F 60.1°F
Dec 3 58.5°F 59.5°F 60.9°F
Dec 4 58.3°F 59.2°F 60.8°F
Dec 5 58.1°F 59.3°F 60.1°F
Dec 6 58.0°F 59.1°F 60.3°F
Dec 7 57.8°F 58.7°F 60.0°F
Dec 8 57.6°F 58.9°F 59.7°F
Dec 9 57.3°F 58.5°F 59.2°F
Dec 10 57.0°F 58.9°F 58.3°F
Dec 11 57.1°F 58.6°F 57.8°F
Dec 12 56.8°F 58.0°F 57.5°F
Dec 13 56.7°F 58.0°F 57.2°F
Dec 14 56.6°F 57.7°F 56.9°F
Dec 15 56.6°F 57.8°F 57.0°F
Dec 16 56.5°F 57.5°F 57.8°F
Dec 17 56.3°F 56.8°F 57.8°F
Dec 18 56.3°F 56.5°F 58.2°F
Dec 19 56.2°F 56.4°F 57.3°F
Dec 20 56.0°F 56.3°F 57.1°F
Dec 21 56.0°F 57.0°F 58.0°F
Dec 22 55.8°F 56.8°F 57.3°F
Dec 23 55.5°F 56.5°F 56.0°F
Dec 24 55.2°F 56.2°F 55.6°F
Dec 25 55.1°F 56.1°F 56.1°F
Dec 26 54.9°F 55.9°F 54.8°F
Dec 27 55.0°F 56.0°F 55.3°F
Dec 28 55.0°F 56.0°F 56.7°F
Dec 29 54.8°F 55.8°F 56.2°F
Dec 30 54.8°F 55.8°F 55.8°F
Dec 31 54.8°F 55.8°F 55.5°F

Sea water temperature in Rijeka by month

In Rijeka, the months July through August offer comfortable swimming conditions, which amounts to 71 swimming days. The warmest water in Rijeka was recorded on July 23, 2015, reaching a 82.1°F. While the coldest temperature occurred on February 23, 2021, dipping to 48.0°F. The average readings by season are 53.8°F in Winter, 56.8°F in Spring, 74.4°F in Summer, and 65.9°F in Autumn. December's average temperature is a slight drop from November's average of 61.1°F. In January, the temperature is expected to decrease further, potentially averaging around 53.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Lovran 57.0°F 9mi
Rabac 56.6°F 22mi
Cres 57.4°F 25mi
Senj 57.2°F 32mi
Trieste 55.1°F 39mi
Poreč 57.0°F 42mi
Medulin 56.9°F 43mi
Rovinj 57.6°F 43mi
Mali Lošinj 59.1°F 55mi

* current water temperature in this city

** straight line distance from Rijeka