April weather forecast
Waimea Canyon State Park, HI

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, in April, the average water temperature is 76.6°F (24.8°C).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 76.6°F (24.8°C) waters might be just right. Remember, Olympic swimmers are used to waters between 77°F (25°C) and 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.