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
As April unfolds, the average high-temperature reaches a still moderately hot 76.6°F (24.8°C), hinting at a slight fluctuation from the previous month. Aiea's nighttime temperatures in April see a subtle dip to an average of 71.4°F (21.9°C).Humidity
The months with the lowest humidity in Aiea, Hawaii, are April, May, September and November, with an average relative humidity of 74%.Rainfall
In Aiea, in April, it is raining for 17.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Aiea, during the entire year, the rain falls for 197.2 days and collects up to 14.61" (371mm) of precipitation.Ocean temperature
In Aiea, in April, the average water temperature is 76.8°F (24.9°C).Note: When thinking about a swim in 76.8°F (24.9°C) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
In Aiea, Hawaii, 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, in Aiea, sunrise is at 6:00 am and sunset at 6:56 pm HST.
Sunshine
In April, the average sunshine 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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Frequently asked questions
What are April temperatures in Aiea?
What is the least humid month in Aiea?
What is the average humidity in April in Aiea?
How much does it rain in Aiea in April?
What is the water temperature in April in Aiea?
What is the average length of the day in April in Aiea?
What time are sunrise and sunset in April in Aiea?
How long on average sun shines in April in Aiea?
What is the month with the lowest UV index in Aiea?
How high is the UV index in April in Aiea?
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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