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Keszthely in April

Find out everything about the water temperature in Keszthely 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:

42.7 °F

Average:

52.8 °F

Maximum:

61.8 °F

Sea water temperature in Keszthely in April

In the city of Keszthely, the month of April is too cold for swimming. The minimum recorded temperature during this month was 42.7°F on April 1, 2021, with an average temperature being 52.8°F and a maximum temperature reaching 61.8°F on April 27, 2024.

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 47.5°F at the beginning of the month, it steadily increases to around 57.8°F by the end.
Date 10 years average 2026 2025
Apr 1 45.1°F 50.4°F 46.1°F
Apr 2 45.5°F 53.1°F 46.2°F
Apr 3 46.2°F 52.5°F 49.7°F
Apr 4 46.6°F 52.0°F 51.3°F
Apr 5 47.0°F 51.5°F 51.8°F
Apr 6 47.5°F 51.7°F 55.0°F
Apr 7 48.2°F 51.2°F 53.6°F
Apr 8 49.0°F 51.5°F 53.7°F
Apr 9 49.7°F 51.4°F 53.9°F
Apr 10 50.7°F 51.6°F 54.0°F
Apr 11 51.5°F 52.0°F 54.3°F
Apr 12 51.6°F 52.0°F 51.7°F
Apr 13 52.4°F 52.6°F 52.0°F
Apr 14 52.7°F 52.6°F 52.2°F
Apr 15 52.9°F 52.6°F 52.4°F
Apr 16 53.7°F 53.8°F 55.9°F
Apr 17 53.8°F 54.1°F 56.4°F
Apr 18 54.4°F 55.7°F 56.4°F
Apr 19 54.6°F 56.5°F 57.7°F
Apr 20 54.8°F 58.0°F 58.4°F
Apr 21 55.5°F 58.5°F 58.8°F
Apr 22 56.2°F 58.0°F 58.6°F
Apr 23 57.0°F 57.3°F 60.6°F
Apr 24 57.6°F 57.8°F 60.8°F
Apr 25 58.0°F 57.8°F 61.1°F
Apr 26 58.4°F 59.1°F 61.3°F
Apr 27 58.7°F 59.0°F 61.5°F
Apr 28 58.8°F 59.5°F 60.9°F
Apr 29 58.7°F 59.6°F 59.5°F
Apr 30 59.0°F 58.9°F 60.5°F

Sea water temperature in Keszthely by month

In Keszthely, the months July through August offer comfortable swimming conditions, which amounts to 81 swimming days. The warmest water in Keszthely was recorded on August 8, 2026, reaching a 84.9°F. While the coldest temperature occurred on January 25, 2017, dipping to 32.0°F. The average readings by season are 36.6°F in Winter, 51.8°F in Spring, 75.5°F in Summer, and 59.2°F in Autumn. The average temperature in April is slightly warmer than March's average of 38.5°F. And in May, the temperature is expected to rise further, potentially reaching an average of 64.1°F.