Weather in March
March, at the park, registers a slight increase in daylight hours coupled with marginal decrease in sea temperature. Sea temperatures cool down to 75.4°F (24.1°C) in March, resonating with the transition towards spring. Longer daylight hours amounting to 12 hours afford ample time for outdoor activities and exploration of the park's vast landscape. The subtle weather changes from
February do not seem to impact the overall weather stability. Transitional month does not bring about any unique conditions or extreme weather patterns.
Ocean temperature
With an average ocean temperature of 75.4°F (24.1°C), March is the month with the coldest seawater.
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.4°F (24.1°C).
Daylight
The average length of the day in March is 12h and 2min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of March, sunrise is at 6:31 am and sunset at 6:53 pm HST.