All data are in degrees Fahrenheit

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Lisbon in April

Find out everything about the water temperature in Lisbon 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:

56.9 °F

Average:

60.7 °F

Maximum:

66.9 °F

Sea water temperature in Lisbon in April

In the city of Lisbon, the month of April is too cold for swimming. The minimum recorded temperature during this month was 56.9°F on April 12, 2016, with an average temperature being 60.7°F and a maximum temperature reaching 66.9°F on April 30, 2023.

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 60.7°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 58.9°F 58.3°F 62.2°F
Apr 2 59.3°F 59.3°F 63.4°F
Apr 3 59.1°F 57.9°F 62.9°F
Apr 4 59.3°F 58.3°F 62.5°F
Apr 5 59.3°F 58.3°F 62.0°F
Apr 6 59.6°F 58.7°F 62.7°F
Apr 7 59.6°F 58.7°F 62.5°F
Apr 8 59.7°F 59.9°F 62.5°F
Apr 9 59.6°F 60.1°F 62.8°F
Apr 10 59.8°F 60.7°F 63.4°F
Apr 11 59.9°F 60.2°F 63.5°F
Apr 12 60.4°F 61.3°F 64.0°F
Apr 13 60.2°F 61.2°F 62.8°F
Apr 14 60.5°F 62.9°F 64.0°F
Apr 15 60.8°F 64.4°F 63.9°F
Apr 16 60.9°F 64.1°F 64.3°F
Apr 17 61.2°F 63.2°F 64.0°F
Apr 18 61.3°F 63.7°F 64.2°F
Apr 19 61.4°F 63.3°F 62.7°F
Apr 20 61.5°F 62.8°F 63.3°F
Apr 21 61.5°F 63.4°F 63.2°F
Apr 22 61.4°F 64.6°F 62.4°F
Apr 23 61.6°F 65.6°F 63.0°F
Apr 24 61.7°F 64.5°F 64.6°F
Apr 25 61.7°F 64.1°F 65.5°F
Apr 26 61.9°F 63.8°F 66.1°F
Apr 27 62.0°F 63.5°F 66.3°F
Apr 28 62.1°F 63.0°F 66.5°F
Apr 29 62.2°F 62.7°F 66.5°F
Apr 30 62.3°F 62.6°F 66.9°F

Sea water temperature in Lisbon by month

In an average year, Lisbon offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Lisbon was recorded on August 26, 2023, reaching a 75.5°F. While the coldest temperature occurred on February 4, 2023, dipping to 54.5°F. The average readings by season are 58.0°F in Winter, 60.9°F in Spring, 67.8°F in Summer, and 65.2°F in Autumn. The average temperature in April is slightly warmer than March's average of 58.2°F. And in May, the temperature is expected to rise further, potentially reaching an average of 63.9°F.