April weather forecastKaupo, HI
April
Weather in April
April in Kaupo, Hawaii, is a moderately hot spring month, with an average temperature ranging between max 74.3°F (23.5°C) and min 70.9°F (21.6°C).Temperature
Upon the onset of April, Kaupo witnesses an average high-temperature of a moderately hot 74.3°F (23.5°C), showing a close resemblance to the prior month. April nights in Kaupo anticipate an average temperature of 70.9°F (21.6°C), a modest decline from the daytime.Humidity
The average relative humidity in April in Kaupo is 77%.Rainfall
In April, the rain falls for 11.7 days. Throughout April, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 136.7 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall.Daylight
The average length of the day in April is 12h and 38min.On the first day of the month, sunrise is at 6:16 am and sunset at 6:39 pm. On the last day of April, in Kaupo, sunrise is at 5:54 am and sunset at 6:48 pm HST.
Sunshine
In Kaupo, the average sunshine in April is 9h.UV index
The months with the lowest UV index in Kaupo, Hawaii, are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kaupo, HI
- Average high temperature in April: 74.3°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in April: 70.9°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in April
Kaupo, 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
Kaupo, HI
- Average wind speed in April: 13.5mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in April
Kaupo, HI
- Average humidity in April: 77%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in April
Kaupo, HI
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in April
Kaupo, HI
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in April
Kaupo, HI
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Kaupo, HI
- Average daylight in April: 12h and 36min
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 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Kaupo, HI
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in April
Kaupo, HI
- Average UV index in April: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in April
Kaupo, HI
- Average cloud cover in April: 32
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in April
Kaupo, 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).





