Isumi in April
Find out everything about the water temperature in Isumi 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:
57.6 °F
Average:
61.4 °F
Maximum:
65.6 °F
Sea water temperature in Isumi in April
In the city of Isumi, the month of April is somewhat too cool for swimming. The minimum recorded temperature during this month was 57.6°F on April 8, 2022, with an average temperature being 61.4°F and a maximum temperature reaching 65.6°F on April 30, 2016.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Apr 1 | 60.2°F | 60.0°F | 60.5°F |
| Apr 2 | 60.6°F | 59.3°F | 61.2°F |
| Apr 3 | 60.5°F | 59.7°F | 59.9°F |
| Apr 4 | 60.4°F | 59.8°F | 59.4°F |
| Apr 5 | 60.4°F | 59.6°F | 59.3°F |
| Apr 6 | 60.3°F | 60.0°F | 59.8°F |
| Apr 7 | 60.6°F | 60.3°F | 60.7°F |
| Apr 8 | 60.5°F | 60.9°F | 60.5°F |
| Apr 9 | 60.6°F | 59.7°F | 59.9°F |
| Apr 10 | 60.7°F | 59.3°F | 59.1°F |
| Apr 11 | 60.7°F | 59.6°F | 57.7°F |
| Apr 12 | 60.8°F | 60.1°F | 60.5°F |
| Apr 13 | 60.8°F | 60.0°F | 59.8°F |
| Apr 14 | 60.6°F | 58.4°F | 58.4°F |
| Apr 15 | 60.7°F | 59.9°F | 59.1°F |
| Apr 16 | 60.9°F | 60.2°F | 59.7°F |
| Apr 17 | 61.0°F | 61.5°F | 59.1°F |
| Apr 18 | 61.2°F | 61.8°F | 59.2°F |
| Apr 19 | 61.4°F | 63.8°F | 58.7°F |
| Apr 20 | 61.6°F | 62.1°F | 61.8°F |
| Apr 21 | 61.8°F | 62.4°F | 62.5°F |
| Apr 22 | 62.3°F | 62.8°F | 62.5°F |
| Apr 23 | 62.3°F | 63.0°F | 62.5°F |
| Apr 24 | 62.4°F | 63.2°F | 62.8°F |
| Apr 25 | 62.7°F | 63.7°F | 63.3°F |
| Apr 26 | 63.4°F | 64.4°F | 63.6°F |
| Apr 27 | 63.5°F | 64.6°F | 63.1°F |
| Apr 28 | 62.9°F | 63.6°F | 62.7°F |
| Apr 29 | 62.6°F | 63.8°F | 59.5°F |
| Apr 30 | 62.4°F | 64.1°F | 60.6°F |
In Isumi, the months July through October offer comfortable swimming conditions, which amounts to 102 swimming days.
The warmest water in Isumi was recorded on August 17, 2024, reaching a 82.8°F. While the coldest temperature occurred on February 18, 2018, dipping to 56.0°F. The average readings by season are 62.0°F in Winter, 62.0°F in Spring, 74.0°F in Summer, and 73.8°F in Autumn.
The average temperature in April is slightly warmer than March's average of 59.6°F. And in May, the temperature is expected to rise further, potentially reaching an average of 65.0°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Katsuura |
69.8°F
|
8mi |
| Ichihara |
64.9°F
|
27mi |
| Kisarazu |
64.7°F
|
29mi |
| Chiba |
65.1°F
|
30mi |
| Kimitsu |
64.6°F
|
31mi |
| Futtsu |
65.1°F
|
34mi |
| Honchō |
64.5°F
|
40mi |
| Yokosuka |
67.5°F
|
42mi |
| Kawasaki |
64.9°F
|
44mi |
| Yokohama |
65.5°F
|
45mi |
* current water temperature in this city
** straight line distance from Isumi