Weather in April
Ocean temperature
In April, the average ocean temperature in Hickam Field, Hawaii, is 76.8°F (24.9°C).Note: Swimming in 76.8°F (24.9°C) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In April, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:46 pm. On the last day of April, sunrise is at 6:00 am and sunset at 6:57 pm HST.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How warm is the water in April?
In Hickam Field, Hawaii, in April, the average water temperature is 76.8°F (24.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.8°F (24.9°C) water.
What is the average length of the day in April?
In Hickam Field, the average day length in April is 12h and 40min.
When is the sunrise / sunset in April?
On the first day of April, sunrise is at 6:23 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:57 pm HST.
Average sea temperature in April
Hickam Field, HI
- Average sea temperature in April: 76.8°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in April
Hickam Field, HI
- Average daylight in April: 12h and 4min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
Hickam Field, Hawaii, USA
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