Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As Waimanalo Beach, Hawaii, transitions into April, the average high-temperature stands at a still moderately hot 76.1°F (24.5°C), offering little variation from the preceding month. April registers an average low temperature of 73°F (22.8°C), subtly lower than the daytime maximum.Humidity
April, June through August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Waimanalo Beach, Hawaii, in April, it is raining for 15.8 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 169.9 rainfall days, and 13.15" (334mm) of precipitation is accumulated.Ocean temperature
In Waimanalo Beach, in April, the average water temperature is 76.8°F (24.9°C).Note: A swim in 76.8°F (24.9°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
In Waimanalo Beach, the average length of the day in April is 12h and 40min.On the first day of April in Waimanalo Beach, sunrise is at 6:22 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:55 pm HST.
Sunshine
In Waimanalo Beach, the average sunshine in April is 8.7h.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Waimanalo Beach. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during April translates into the following directions:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waimanalo Beach in April?
What are the most humid months in Waimanalo Beach?
What is the average humidity in April in Waimanalo Beach?
How much does it rain in Waimanalo Beach in April?
How warm is the water in April in Waimanalo Beach?
What is the average length of the day in April in Waimanalo Beach?
When are sunrise and sunset in April in Waimanalo Beach?
How many hours of sunshine does Waimanalo Beach have in April?
What is the month with the lowest UV index in Waimanalo Beach?
How high is the UV index in April in Waimanalo Beach?
Average temperature in April
Waimanalo Beach, HI
- Average high temperature in April: 76.1°F
The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).
- Average low temperature in April: 73°F
The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).
Average pressure in April
Waimanalo Beach, HI
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Waimanalo Beach, HI
- Average wind speed in April: 12.8mph
The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).
Average humidity in April
Waimanalo Beach, HI
- Average humidity in April: 76%
The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Waimanalo Beach, HI
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in April
Waimanalo Beach, HI
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).
Average sea temperature in April
Waimanalo Beach, 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 /
Average sunshine in April
Waimanalo Beach, 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).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in April
Waimanalo Beach, HI
- Average sunshine days in April: 7.3 days
The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).
Average UV index in April
Waimanalo Beach, HI
- Average UV index in April: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in April
Waimanalo Beach, HI
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in April
Waimanalo Beach, HI
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Waimanalo Beach, Hawaii, USA
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