All data are in degrees Fahrenheit

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Tromsø in May

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

38.7 °F

Average:

41.4 °F

Maximum:

45.4 °F

Sea water temperature in Tromsø in May

In the city of Tromsø, the month of May is too cold for swimming. The minimum recorded temperature during this month was 38.7°F on May 1, 2018, with an average temperature being 41.4°F and a maximum temperature reaching 45.4°F on May 29, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In May, the sea temperature remains relatively stable. The average temperature stays close to 41.4°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
May 1 39.8°F 40.7°F 39.3°F
May 2 39.9°F 40.4°F 39.3°F
May 3 40.1°F 40.1°F 39.4°F
May 4 40.1°F 40.0°F 39.5°F
May 5 40.0°F 40.1°F 39.4°F
May 6 40.1°F 39.9°F 39.1°F
May 7 40.1°F 39.7°F 39.3°F
May 8 40.1°F 40.0°F 39.3°F
May 9 40.1°F 39.9°F 39.3°F
May 10 40.3°F 39.9°F 39.3°F
May 11 40.3°F 39.9°F 39.4°F
May 12 40.9°F 40.5°F 41.7°F
May 13 40.9°F 40.5°F 41.8°F
May 14 41.0°F 40.6°F 41.3°F
May 15 41.0°F 40.6°F 40.8°F
May 16 41.3°F 40.8°F 42.5°F
May 17 41.6°F 40.8°F 42.7°F
May 18 41.8°F 42.7°F 42.0°F
May 19 41.9°F 42.5°F 42.0°F
May 20 41.8°F 41.7°F 42.0°F
May 21 42.0°F 41.4°F 42.0°F
May 22 42.1°F 41.4°F 42.1°F
May 23 42.4°F 41.7°F 42.3°F
May 24 42.5°F 42.3°F 42.6°F
May 25 42.5°F 42.1°F 43.6°F
May 26 42.7°F 42.3°F 43.2°F
May 27 42.8°F 42.8°F 42.0°F
May 28 43.1°F 42.7°F 41.9°F
May 29 43.4°F 43.0°F 42.2°F
May 30 43.6°F 43.0°F 42.0°F
May 31 43.6°F 43.1°F 42.2°F

Sea water temperature in Tromsø by month

In an average year, Tromsø offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Tromsø was recorded on August 2, 2020, reaching a 56.7°F. While the coldest temperature occurred on February 17, 2017, dipping to 32.0°F. The average readings by season are 39.4°F in Winter, 38.8°F in Spring, 49.0°F in Summer, and 46.8°F in Autumn. The average temperature in May is slightly warmer than April's average of 38.3°F. And in June, the temperature is expected to rise further, potentially reaching an average of 45.6°F.