April weather forecastKaumalapau, HI
April
Weather in April
April, the same as March, is another warm spring month in Kaumalapau, Hawaii, with an average temperature ranging between min 73°F (22.8°C) and max 76.3°F (24.6°C).Temperature
A minimal variation is noted in Kaumalapau's average high-temperature at the onset of April, reaching a still moderately hot 76.3°F (24.6°C) from March's 75.2°F (24°C). Night temperatures during April experience a slight downturn, averaging a pleasant 73°F (22.8°C).Humidity
The average relative humidity in April in Kaumalapau is 74%.Rainfall
In April, the rain falls for 8.7 days. Throughout April, 0.75" (19mm) of precipitation is accumulated. In Kaumalapau, during the entire year, the rain falls for 98.9 days and collects up to 7.64" (194mm) of precipitation.Snowfall
January through August, October through December are months without snowfall in Kaumalapau.Daylight
In Kaumalapau, the average length of the day in April is 12h and 38min.On the first day of the month, sunrise is at 6:20 am and sunset at 6:42 pm. On the last day of April, sunrise is at 5:57 am and sunset at 6:52 pm HST.
Sunshine
In April, the average sunshine in Kaumalapau is 9.3h.UV index
January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kaumalapau. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the average maximum UV index of 6 translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kaumalapau, HI
- Average high temperature in April: 76.3°F
The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in April: 73°F
The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).
Average pressure in April
Kaumalapau, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The month with the lowest atmospheric pressure is October (29.96"Hg).
Average wind speed in April
Kaumalapau, HI
- Average wind speed in April: 10.3mph
The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).
Average humidity in April
Kaumalapau, HI
- Average humidity in April: 74%
The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in April
Kaumalapau, HI
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Kaumalapau, HI
- Average rainfall days in April: 8.7 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days in April
Kaumalapau, 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
Kaumalapau, 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 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in April
Kaumalapau, HI
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in April
Kaumalapau, HI
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in April
Kaumalapau, HI
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in April
Kaumalapau, 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).





