World sea water temperatures

Water temperature in Sasebo in April

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Is it warm enough to swim in Sasebo in April? Average water temperature in Sasebo in April is 16°C and therefore is not suitable for comfortable swimming. The warmest sea in Sasebo in April is 18°C, and the coldest is 13.3°C. Average high air temperature in Sasebo in April is 19°C, and average low temperature is 11°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sasebo

Changes water temperature in Sasebo in April 2025, 2024

To get an accurate forecast for the water temperature in Sasebo for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sasebo, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
1 April14.2°C15.1°C14.1°C16.3°C
2 April13.5°C15.2°C13.5°C16.6°C
3 April13.5°C15.3°C13.5°C16.3°C
4 April13.7°C15.5°C13.7°C16.3°C
5 April13.6°C15.7°C13.6°C16.4°C
6 April13.8°C15.8°C13.8°C16.4°C
7 April14.1°C15.8°C14.1°C16.7°C
8 April13.3°C15.9°C13.3°C16.8°C
9 April13.8°C16°C13.8°C16.9°C
10 April15°C16°C14.9°C16.8°C
11 April15.3°C16°C14.6°C16.7°C
12 April15.7°C16°C14.7°C16.8°C
13 April14.8°C16.6°C14.8°C16.8°C
14 April15.3°C16.7°C15.1°C16.8°C
15 April14.2°C16.7°C14.2°C16.8°C
Day 2025 2024 Min Max
16 April14.4°C16.7°C14.4°C17.3°C
17 April15.4°C16.9°C15.4°C17.2°C
18 April15.6°C16.3°C15.2°C17.2°C
19 April15.8°C16.4°C15.3°C17.3°C
20 April16.4°C16.4°C15.3°C17.3°C
21 April16.3°C16.5°C15.4°C17.1°C
22 April16.5°C16.5°C15.4°C17.2°C
23 April16.6°C16.6°C15.4°C17.2°C
24 April16.6°C17.4°C15.1°C17.4°C
25 April17°C17.5°C15.5°C17.9°C
26 April16.6°C17.6°C15.6°C17.7°C
27 April16.8°C17.7°C15.5°C17.7°C
28 April16.6°C17.7°C15.7°C17.8°C
29 April16.8°C17.8°C15.7°C18°C
30 April16.9°C17.9°C16.2°C18°C
Sasebo water temp chart in April

Average water temperature in Sasebo in April over a decade

20162017201820192020
16.8°C16.2°C16.4°C15.9°C15.3°C
20212022202320242025
16.4°C16.2°C16.3°C16.5°C15.3°C

Sasebo sea state in April

Chart comparing the height of waves in Sasebo in April over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Sasebo in April

Weather and climate in Sasebo in April

This data display average monthly climate indicators in Sasebo in April based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature19°C
  • Average LOW temperature11°C
  • Average humidity
    70
  • Average rainfall7.1''/180mm
  • Average sunshine5.7h

Sasebo water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Togitsu16.4°C12.6°C18.6°C
Saga Shi15.9°C13.1°C19.4°C
Okawa15.9°C12.8°C19.4°C
Shimabara16.1°C12.7°C19.1°C
Fukuoka15.1°C13°C17.8°C
Fukuma15.1°C12.8°C17.7°C
Kitakysh14.7°C12.3°C18.2°C
Akune17.8°C15°C20.1°C
Shiida14.6°C11.8°C17.8°C
Kanda14.4°C11.2°C17.2°C

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Sasebo is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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