All data are in degrees Fahrenheit

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Oslo in April

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

34.2 °F

Average:

42.3 °F

Maximum:

52.9 °F

Sea water temperature in Oslo in April

In the city of Oslo, the month of April is too cold for swimming. The minimum recorded temperature during this month was 34.2°F on April 1, 2018, with an average temperature being 42.3°F and a maximum temperature reaching 52.9°F on April 30, 2019.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of April, the sea temperature gradually gets warmer. Starting with an average temperature of 39.0°F at the beginning of the month, it steadily increases to around 45.6°F by the end.
Date 10 years average 2024 2023
Apr 1 38.1°F 37.0°F 39.8°F
Apr 2 38.6°F 38.4°F 39.0°F
Apr 3 39.2°F 39.5°F 39.4°F
Apr 4 38.8°F 38.8°F 39.4°F
Apr 5 38.7°F 38.2°F 39.5°F
Apr 6 39.0°F 37.8°F 40.7°F
Apr 7 38.2°F 36.1°F 38.8°F
Apr 8 39.3°F 40.2°F 40.8°F
Apr 9 39.6°F 39.1°F 41.6°F
Apr 10 40.6°F 40.2°F 42.5°F
Apr 11 40.8°F 41.4°F 42.2°F
Apr 12 41.5°F 42.5°F 42.7°F
Apr 13 42.0°F 43.5°F 42.9°F
Apr 14 42.2°F 45.3°F 43.0°F
Apr 15 41.9°F 43.2°F 42.8°F
Apr 16 42.5°F 43.9°F 42.6°F
Apr 17 42.4°F 43.3°F 42.0°F
Apr 18 42.5°F 43.1°F 43.3°F
Apr 19 43.2°F 41.9°F 45.5°F
Apr 20 43.7°F 43.5°F 45.7°F
Apr 21 44.9°F 43.4°F 46.3°F
Apr 22 44.9°F 43.9°F 46.1°F
Apr 23 45.8°F 45.6°F 46.0°F
Apr 24 45.8°F 45.5°F 46.1°F
Apr 25 45.5°F 45.4°F 46.2°F
Apr 26 45.5°F 44.3°F 46.3°F
Apr 27 45.5°F 44.7°F 46.3°F
Apr 28 45.8°F 45.0°F 43.1°F
Apr 29 45.9°F 45.5°F 44.2°F
Apr 30 46.7°F 45.4°F 46.0°F

Sea water temperature in Oslo by month

In an average year, Oslo offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Oslo was recorded on July 26, 2014, reaching a 75.8°F. While the coldest temperature occurred on January 27, 2023, dipping to 32.0°F. The average readings by season are 37.1°F in Winter, 43.1°F in Spring, 64.2°F in Summer, and 53.2°F in Autumn. The average temperature in April is slightly warmer than March's average of 35.9°F. And in May, the temperature is expected to rise further, potentially reaching an average of 51.2°F.