Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition into April is marked with an average high-temperature of a still moderately hot 75.7°F (24.3°C), showing an insignificant shift from March's 73.4°F (23°C). Hanapepe, during April nights, experiences a subtle shift to a low average of 71.2°F (21.8°C) from the day's heat.Humidity
The months with the highest humidity are February through April, June through August, October and December, with an average relative humidity of 75%.Rainfall
In Hanapepe, during April, the rain falls for 15.1 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 172.7 rainfall days, and 15.75" (400mm) of precipitation is accumulated.Ocean temperature
In Hanapepe, in April, the average water temperature is 76.6°F (24.8°C).Note: A swim in 76.6°F (24.8°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
In April, the average length of the day is 12h and 40min.On the first day of April, sunrise is at 6:30 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:04 pm HST.
Sunshine
The average sunshine in April is 8.6h.UV index
The months with the lowest UV index are January through June, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 6 during April, leads to the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. 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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the most humid months?
What is the average humidity in April?
How many days does it rain in April?
What is the water temperature in April?
How many hours of daylight does Hanapepe have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Hanapepe have in April?
What are the months with the lowest UV index?
What is the UV index reading in April?
Average temperature in April
Hanapepe, HI
- Average high temperature in April: 75.7°F
The warmest month (with the highest average high temperature) is August (80.8°F).
The months with the lowest average high temperature are February and March (73.4°F).
- Average low temperature in April: 71.2°F
The month with the highest average low temperature is September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in April
Hanapepe, HI
- Average pressure in April: 30.06"Hg
The months with the highest atmospheric pressure are March and April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in April
Hanapepe, HI
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is May (8.6mph).
Average humidity in April
Hanapepe, HI
- Average humidity in April: 75%
The months with the highest relative humidity are February, March, April, June, July, August, October and December (75%).
The months with the lowest relative humidity are January, May, September and November (74%).
Average rainfall in April
Hanapepe, HI
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in April
Hanapepe, HI
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is January (11.5 days).
Average sea temperature in April
Hanapepe, HI
- Average sea temperature in April: 76.7°F
The best month for swimming (with the highest average sea temperature) is September (80.5°F).
The coldest month (with the lowest average sea temperature) is March (75.4°F).
Average daylight in April /
Average sunshine in April
Hanapepe, HI
- Average daylight in April: 12h and 4min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in April
Hanapepe, HI
- Average sunshine days in April: 8.4 days
The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is November (6.7 days).
Average UV index in April
Hanapepe, HI
- Average UV index in April: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in April
Hanapepe, HI
- Average cloud cover in April: 34
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are January and September (Cloud cover 28).
Average visibility in April
Hanapepe, 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).
Hanapepe, Hawaii, USA
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