April weather forecastKeoneoio, HI
April
Weather in April
April in Keoneoio, Hawaii, is a warm spring month, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 74.3°F (23.5°C).Temperature
As Keoneoio steps into April, the average high-temperature is measured at a warm 74.3°F (23.5°C), displaying minor differences from March's 72.9°F (22.7°C). Keoneoio, in April, registers an average low temperature of 70.9°F (21.6°C), showing a minute reduction from daily highs.Humidity
The average relative humidity in April is 77%.Rainfall
In Keoneoio, in April, during 11.7 rainfall days, 1.42" (36mm) of precipitation is typically 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
In Keoneoio, Hawaii, the average length of the day in April is 12h and 38min.On the first day of the month, sunrise is at 6:18 am and sunset at 6:40 pm. On the last day of April, sunrise is at 5:55 am and sunset at 6:49 pm HST.
Sunshine
In Keoneoio, the average sunshine in April is 9h.UV index
The months with the lowest UV index 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 hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 6 in April translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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
Keoneoio, 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).





