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
Stepping into April, Kaaawa records an average high-temperature of a still moderately hot 76.5°F (24.7°C), almost consistent with March. Kaaawa nights in April witness a mild cool down to an average temperature of 71.8°F (22.1°C).Humidity
February through April, July, August, October and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Kaaawa, in April, during 17.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 187.1 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Ocean temperature
In Kaaawa, in April, the average water temperature is 76.5°F (24.7°C).Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 76.5°F (24.7°C) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Kaaawa, the average length of the day in April is 12h and 40min.On the first day of April, sunrise is at 6:23 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:56 pm HST.
Sunshine
In Kaaawa, the average sunshine in April is 8.3h.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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in April transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! UV intensity is amplified by reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What are the most humid months?
What is the average humidity in April in Kaaawa?
How much does it rain in April?
What is the ocean temperature in April?
What is the average length of the day in April in Kaaawa?
When is the sunrise / 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
Kaaawa, HI
- Average high temperature in April: 76.5°F
The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in April: 71.8°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).
Average pressure in April
Kaaawa, 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
Kaaawa, HI
- Average wind speed in April: 12.5mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).
Average humidity in April
Kaaawa, HI
- Average humidity in April: 76%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
Average rainfall in April
Kaaawa, HI
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in April
Kaaawa, HI
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).
Average sea temperature in April
Kaaawa, HI
- Average sea temperature in April: 76.5°F
The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).
Average daylight in April /
Average sunshine in April
Kaaawa, 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 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in April
Kaaawa, HI
- Average sunshine days in April: 6.5 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in April
Kaaawa, 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
Kaaawa, HI
- Average cloud cover in April: 39
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Kaaawa, 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).
Kaaawa, Hawaii, USA
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