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
Aiea's weather in April displays an average high-temperature of a still moderately hot 76.6°F (24.8°C), showing minor disparity from March's 75°F (23.9°C). Aiea's temperature during April nights registers a minor decrease to an average low of 71.4°F (21.9°C).Humidity
The months with the lowest humidity are April, May, September and November, with an average relative humidity of 74%.Rainfall
In April, the rain falls for 17.3 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 197.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Ocean temperature
In Aiea, in April, the average water temperature is 76.8°F (24.9°C).Note: Swimming in 76.8°F (24.9°C) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
In Aiea, the average length of the day in April is 12h and 40min.On the first day of the month, sunrise is at 6:23 am and sunset at 6:46 pm. On the last day of April, sunrise is at 6:00 am and sunset at 6:56 pm HST.
Sunshine
In Aiea, the average sunshine in April is 8.3h.UV index
January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Aiea. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 6 in April transforms into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
How warm is the water in April?
How many hours of daylight does Aiea have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Aiea have in April?
What are the months with the lowest UV index?
How high is the UV index in April?
Average temperature in April
Aiea, HI
- Average high temperature in April: 76.6°F
The warmest month (with the highest average high temperature) is September (81.5°F).
The months with the lowest average high temperature are February and March (75°F).
- Average low temperature in April: 71.4°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in April
Aiea, 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
Aiea, HI
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is July (12.1mph).
The calmest month (with the lowest average wind speed) is January (9mph).
Average humidity in April
Aiea, HI
- Average humidity in April: 74%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, September and November (74%).
Average rainfall in April
Aiea, HI
- Average rainfall in April: 1.02"
The wettest months (with the highest rainfall) are March and October (1.81").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in April
Aiea, HI
- Average rainfall days in April: 17.3 days
The months with the highest number of rainy days are March and October (18 days).
The month with the least rainy days is January (12.6 days).
Average sea temperature in April
Aiea, HI
- Average sea temperature in April: 76.8°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in April /
Average sunshine in April
Aiea, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in April
Aiea, HI
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is October (6.3 days).
Average UV index in April
Aiea, 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
Aiea, HI
- Average cloud cover in April: 38
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are January and September (Cloud cover 33).
Average visibility in April
Aiea, 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).
Aiea, Hawaii, USA
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