Water temperature in Harima in April

Is it warm enough to swim in Harima in April? Average water temperature in Harima in April is 13.9°C and therefore is not suitable for comfortable swimming. The warmest sea in Harima in April is 17.3°C, and the coldest is 10.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Harima

Changes water temperature in Harima in April 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 April	12.4°C	11.8°C	11.1°C	15.9°C
2 April	12.5°C	12°C	11°C	16.4°C
3 April	10.6°C	12.3°C	10.6°C	16.4°C
4 April	10.5°C	11.4°C	10.5°C	16.6°C
5 April	10.9°C	12.3°C	10.9°C	16.5°C
6 April	10.7°C	12.7°C	10.7°C	16.4°C
7 April	11.7°C	13.2°C	11.1°C	16.2°C
8 April	11.2°C	13.4°C	10.8°C	16.1°C
9 April	11.6°C	12.4°C	10.8°C	16.1°C
10 April	12.2°C	11.6°C	11.2°C	15.9°C
11 April	11.5°C	12.1°C	11.5°C	15.9°C
12 April	11.9°C	11.9°C	11.9°C	15.8°C
13 April	12°C	12.9°C	12°C	16.1°C
14 April	11.7°C	13.2°C	11.7°C	15.9°C
15 April	12.1°C	13°C	12°C	15.7°C

Day	2025	2024	Min	Max
16 April	11.5°C	13.4°C	11.5°C	15.9°C
17 April	13°C	13.6°C	12.5°C	15.3°C
18 April	12.5°C	13.8°C	12.5°C	15.7°C
19 April	13°C	14°C	12.6°C	15.9°C
20 April	12.8°C	14.4°C	12.8°C	15.9°C
21 April	13.5°C	14.6°C	13.4°C	15.9°C
22 April	13.9°C	14.8°C	13.2°C	15.8°C
23 April	14.4°C	15°C	13.1°C	15.8°C
24 April	12.9°C	14.5°C	12.9°C	16.3°C
25 April	13.6°C	13.5°C	13°C	16.3°C
26 April	14.3°C	14.1°C	13.6°C	16.3°C
27 April	14.7°C	14.6°C	12.8°C	16.7°C
28 April	14.2°C	15°C	13.4°C	17.3°C
29 April	14°C	15.3°C	13.7°C	17.2°C
30 April	14.3°C	15.5°C	13.9°C	16.7°C

Average water temperature in Harima in April over a decade

2016	2017	2018	2019	2020
14.7°C	13.3°C	12.6°C	12.9°C	13°C

2021	2022	2023	2024	2025
13.7°C	13.8°C	13.9°C	13.4°C	12.5°C

Harima sea state in April

Chart comparing the height of waves in Harima 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.

Harima water temperature during other months:

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

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

	Avr	Min	Max
Izumi	14.8°C	11.2°C	17.7°C
Shido	14.3°C	10.3°C	17.9°C
Takamatsu Shi	14.2°C	10.1°C	17.8°C
Kurashiki	14.3°C	10.3°C	17.3°C
Gobo	17.3°C	15°C	19.9°C
Marugame	14.3°C	11°C	17.1°C
Tadotsu	14.3°C	11°C	17°C
Maizuru	13.3°C	10.4°C	16.4°C
Kyoto	12.7°C	8.7°C	17.3°C
Otsu	12.7°C	8.7°C	17.3°C

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Our report for Harima 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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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature