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 from March to April sees an average high-temperature of a still moderately hot 75.6°F (24.2°C), indicating a minor variance from the prior month. April notes an average low temperature of 72.1°F (22.3°C), subtly down from the daytime highs.Humidity
In Kahului, the average relative humidity in April is 75%.Rainfall
In Kahului, in April, during 8.1 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 103.4 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Ocean temperature
In Kahului, the average seawater temperature in April is 76.6°F (24.8°C).Note: Swimming in 76.6°F (24.8°C) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In April, the average length of the day in Kahului is 12h and 38min.On the first day of April in Kahului, sunrise is at 6:18 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:50 pm HST.
Sunshine
In April, the average sunshine in Kahului is 9.2h.UV index
January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kahului. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in April interprets into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Frequently asked questions
What are April temperatures in Kahului?
What is the average humidity in April in Kahului?
How much does it rain in Kahului in April?
How warm is the water in April in Kahului?
How many hours of daylight does Kahului have in April?
What time are sunrise and sunset in April in Kahului?
How long on average sun shines in April in Kahului?
When is the lowest UV index in Kahului?
How high is the UV index in April in Kahului?
Average temperature in April
Kahului, HI
- Average high temperature in April: 75.6°F
The warmest month (with the highest average high temperature) is September (79.9°F).
The month with the lowest average high temperature is February (73.9°F).
- Average low temperature in April: 72.1°F
The month with the highest average low temperature is October (76.5°F).
The coldest months (with the lowest average low temperature) are February and March (70.7°F).
Average pressure in April
Kahului, HI
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Kahului, HI
- Average wind speed in April: 12.6mph
The windiest month (with the highest average wind speed) is June (13.6mph).
The calmest month (with the lowest average wind speed) is January (10.4mph).
Average humidity in April
Kahului, HI
- Average humidity in April: 75%
The months with the highest relative humidity are July and August (76%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in April
Kahului, HI
- Average rainfall in April: 0.63"
The wettest months (with the highest rainfall) are March and December (0.87").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in April
Kahului, HI
- Average rainfall days in April: 8.1 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is June (6.6 days).
Average sea temperature in April
Kahului, HI
- Average sea temperature in April: 76.6°F
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (75.6°F).
Average daylight in April /
Average sunshine in April
Kahului, 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: 9h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in April
Kahului, HI
- Average sunshine days in April: 17.5 days
The month with the most sunshine days is June (19.9 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in April
Kahului, 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
Kahului, HI
- Average cloud cover in April: 27
The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 21).
Average visibility in April
Kahului, 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).
Kahului, Hawaii, USA
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