April weather forecastMahaiula, HI
April
Weather in April
April, like March, in Mahaiula, Hawaii, is a moderately hot spring month, with an average temperature varying between 74.7°F (23.7°C) and 70.5°F (21.4°C).Temperature
Mahaiula, Hawaii, experiences a transition to a still moderately hot 74.7°F (23.7°C) in average high-temperatures with the arrival of April, not greatly differing from March's 74.1°F (23.4°C). An average nighttime temperature of 70.5°F (21.4°C) marks April.Humidity
The average relative humidity in April is 75%.Rainfall
In Mahaiula, during April, the rain falls for 13.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Mahaiula, there are 136 rainfall days, and 8.5" (216mm) of precipitation is accumulated.Daylight
In April, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 6:16 am and sunset at 6:38 pm. On the last day of April, sunrise is at 5:55 am and sunset at 6:47 pm HST.
Sunshine
The average sunshine in April is 9.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Mahaiula, Hawaii. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: In April, an average UV index of 6 transforms into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mahaiula, HI
- Average high temperature in April: 74.7°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).
- Average low temperature in April: 70.5°F
The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).
Average pressure in April
Mahaiula, HI
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in April
Mahaiula, HI
- Average wind speed in April: 5.7mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in April
Mahaiula, HI
- Average humidity in April: 75%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in April
Mahaiula, HI
- Average rainfall in April: 0.87"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Mahaiula, HI
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).
Average daylight in April /
Average sunshine in April
Mahaiula, HI
- Average daylight in April: 12h and 36min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in April: 9h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in April
Mahaiula, HI
- Average sunshine days in April: 6.9 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in April
Mahaiula, HI
- Average UV index in April: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in April
Mahaiula, HI
- Average cloud cover in April: 21
The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in April
Mahaiula, 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).





