April weather forecastKualapuu, HI
April
Weather in April
April, like March, in Kualapuu, Hawaii, is a moderately hot spring month, with an average temperature ranging between max 75.9°F (24.4°C) and min 72.7°F (22.6°C).Temperature
April's onset records a minor alteration in the average high-temperature to a still warm 75.9°F (24.4°C) from March's 74.5°F (23.6°C). Kualapuu nights in April witness a mild cool down to an average temperature of 72.7°F (22.6°C).Humidity
April through August, with an average relative humidity of 76%, are the most humid months.Rainfall
In Kualapuu, in April, it is raining for 10.4 days, with typically 0.83" (21mm) of accumulated precipitation. In Kualapuu, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.Daylight
The average length of the day in April is 12h and 39min.On the first day of April in Kualapuu, sunrise is at 6:20 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 6:53 pm HST.
Sunshine
In Kualapuu, the average sunshine in April is 9.1h.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in April transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kualapuu, HI
- Average high temperature in April: 75.9°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in April: 72.7°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in April
Kualapuu, HI
- Average pressure in April: 30.05"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Kualapuu, HI
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in April
Kualapuu, HI
- Average humidity in April: 76%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Kualapuu, HI
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Kualapuu, HI
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average daylight in April /
Average sunshine in April
Kualapuu, 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: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in April
Kualapuu, HI
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in April
Kualapuu, HI
- Average UV index in April: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in April
Kualapuu, HI
- Average cloud cover in April: 28
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in April
Kualapuu, 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).





