All data are in degrees Fahrenheit

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Hafnarfjörður in April

Find out everything about the water temperature in Hafnarfjörður 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:

36.2 °F

Average:

39.8 °F

Maximum:

43.8 °F

Sea water temperature in Hafnarfjörður in April

In the city of Hafnarfjörður, the month of April is too cold for swimming. The minimum recorded temperature during this month was 36.2°F on April 1, 2020, with an average temperature being 39.8°F and a maximum temperature reaching 43.8°F on April 30, 2022.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In April, the sea temperature remains relatively stable. The average temperature stays close to 39.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 38.3°F 39.2°F 36.7°F
Apr 2 38.3°F 38.4°F 36.6°F
Apr 3 38.4°F 37.7°F 36.6°F
Apr 4 38.6°F 37.9°F 36.6°F
Apr 5 38.7°F 38.0°F 36.7°F
Apr 6 38.9°F 38.0°F 37.6°F
Apr 7 38.9°F 37.8°F 37.4°F
Apr 8 38.9°F 37.2°F 37.6°F
Apr 9 39.0°F 37.5°F 37.7°F
Apr 10 39.0°F 37.7°F 37.5°F
Apr 11 39.2°F 37.9°F 37.9°F
Apr 12 39.3°F 38.2°F 37.7°F
Apr 13 39.2°F 37.3°F 37.7°F
Apr 14 39.3°F 37.2°F 37.7°F
Apr 15 39.6°F 37.4°F 39.1°F
Apr 16 39.7°F 38.1°F 39.1°F
Apr 17 39.8°F 37.7°F 39.1°F
Apr 18 39.9°F 37.7°F 39.5°F
Apr 19 40.2°F 38.3°F 39.6°F
Apr 20 40.4°F 38.0°F 40.2°F
Apr 21 40.5°F 38.4°F 40.6°F
Apr 22 40.6°F 39.1°F 41.2°F
Apr 23 40.8°F 40.0°F 41.1°F
Apr 24 41.1°F 40.2°F 42.1°F
Apr 25 41.2°F 40.5°F 41.8°F
Apr 26 41.4°F 40.9°F 42.4°F
Apr 27 41.5°F 40.9°F 42.5°F
Apr 28 41.5°F 40.4°F 42.5°F
Apr 29 41.8°F 40.7°F 43.0°F
Apr 30 42.1°F 40.8°F 43.0°F

Sea water temperature in Hafnarfjörður by month

In an average year, Hafnarfjörður offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Hafnarfjörður was recorded on August 15, 2021, reaching a 56.3°F. While the coldest temperature occurred on January 24, 2023, dipping to 33.8°F. The average readings by season are 37.7°F in Winter, 40.7°F in Spring, 51.5°F in Summer, and 46.8°F in Autumn. The average temperature in April is slightly warmer than March's average of 37.7°F. And in May, the temperature is expected to rise further, potentially reaching an average of 44.5°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kópavogur 43.1°F 3mi
Álftanes 43.3°F 3mi
Reykjavík 43.0°F 5mi
Akranes 42.5°F 18mi
Keflavík 43.0°F 19mi

* current water temperature in this city

** straight line distance from Hafnarfjörður