April weather forecastWaimanalo, HI
April
Weather in April
April, like March, in Waimanalo, Hawaii, is another warm spring month, with an average temperature fluctuating between 73°F (22.8°C) and 76.1°F (24.5°C).Temperature
With April's advent, Waimanalo sees an average high-temperature of a still warm 76.1°F (24.5°C), subtly shifted from March's 74.7°F (23.7°C). A mean low-temperature of 73°F (22.8°C) is anticipated during the month of April, a slight step down from the daytime high.Humidity
The months with the highest humidity are April, June through August and December, with an average relative humidity of 76%.Rainfall
In Waimanalo, in April, during 15.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Waimanalo, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.Daylight
In Waimanalo, the average length of the day in April is 12h and 40min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:45 pm. On the last day of April, sunrise is at 5:59 am and sunset at 6:56 pm HST.
Sunshine
The average sunshine in April is 8.7h.UV index
The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waimanalo, 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, 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, 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, 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, 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, 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 daylight in April /
Average sunshine in April
Waimanalo, HI
- Average daylight in April: 12h and 42min
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 42min
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, 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, 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, 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, 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).
