April weather forecastWaimea Canyon State Park, HI

Weather in April

April's climatological course in Hawaii shows minute increments in daylight hours and reversal in the sea temperature trend. Sea temperature rises once again, reaching 76.7°F (24.8°C), signaling the beginning of warm days. The extended daylight of 12.7 hours invites visitors to explore the park and its wildlife for longer durations. As the season progresses towards summer, the weather continues its gradual transformation, carrying through to the next month. April's weather remains mild, devoid of any distinct or unique patterns.

Ocean temperature

In Waimea Canyon State Park, Hawaii, in April, the average water temperature is 76.6°F (24.8°C).
Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 76.6°F (24.8°C) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In April, the average length of the day is 12h and 41min.
On the first day of the month, sunrise is at 6:30 am and sunset at 6:54 pm. On the last day of April, sunrise is at 6:06 am and sunset at 7:04 pm HST.