April weather forecastWaikapu, HI
April
Weather in April
April, like March, in Waikapu, Hawaii, is a moderately hot spring month, with an average temperature fluctuating between 72.1°F (22.3°C) and 75.6°F (24.2°C).Temperature
Waikapu, Hawaii, observes an average high-temperature of a still moderately hot 75.6°F (24.2°C) in April, barely different from 74.3°F (23.5°C) in March. Waikapu in April experiences a minor decline in temperature, with an average low of 72.1°F (22.3°C) at night.Humidity
In Waikapu, the average relative humidity in April is 75%.Rainfall
In Waikapu, in April, during 8.1 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Waikapu, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.Daylight
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 6:50 pm HST.
Sunshine
In April, the average sunshine is 9.2h.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a daily UV index of 6 turns into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Waikapu, HI
- Average high temperature in April: 75.6°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in April: 72.1°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in April
Waikapu, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Waikapu, HI
- Average wind speed in April: 12.6mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in April
Waikapu, HI
- Average humidity in April: 75%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in April
Waikapu, HI
- Average rainfall in April: 0.63"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in April
Waikapu, HI
- Average rainfall days in April: 8.1 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average daylight in April /
Average sunshine in April
Waikapu, 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 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in April
Waikapu, HI
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in April
Waikapu, HI
- Average UV index in April: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in April
Waikapu, HI
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in April
Waikapu, 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).
