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
Transitioning into April, Kapalua experiences an average high-temperature of a still warm 75.4°F (24.1°C), marking a minor shift from the preceding month. Kapalua reports an average low temperature of 72.1°F (22.3°C) in April, a minor decrease from the day's highs.Humidity
In April, the average relative humidity is 76%.Rainfall
In Kapalua, in April, during 9.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Kapalua, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.Ocean temperature
The months with the coldest seawater are January through April, with an average ocean temperature of 75.2°F (24°C).Note: Imagine a swim in 75.2°F (24°C) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 77°F (25°C) and 82.4°F (28°C).
Daylight
In Kapalua, the average length of the day in April is 12h and 39min.On the first day of the month, sunrise is at 6:18 am and sunset at 6:41 pm. On the last day of April, sunrise is at 5:56 am and sunset at 6:51 pm HST.
Sunshine
The average sunshine in April is 8.8h.UV index
The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 6 in April translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
When is the ocean coldest?
What is the water temperature in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
When is the lowest UV index?
How high is the UV index in April?
Average temperature in April
Kapalua, HI
- Average high temperature in April: 75.4°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in April: 72.1°F
The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).
Average pressure in April
Kapalua, 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
Kapalua, HI
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity in April
Kapalua, HI
- Average humidity in April: 76%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).
Average rainfall in April
Kapalua, HI
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Kapalua, HI
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).
Average sea temperature in April
Kapalua, HI
- Average sea temperature in April: 75°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in April /
Average sunshine in April
Kapalua, HI
- Average daylight in April: 12h and 4min
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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in April
Kapalua, HI
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in April
Kapalua, 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
Kapalua, HI
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in April
Kapalua, 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).
Kapalua, Hawaii, USA
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