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 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
A minor adjustment in Waimanalo's average high-temperature is noted with the start of April, touching a still warm 76.1°F (24.5°C) from March's 74.7°F (23.7°C). Waimanalo logs an average low-temperature of 73°F (22.8°C) during the nights of April, subtly lower than its daytime highs.Humidity
April, June through August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In April, in Waimanalo, the rain falls for 15.8 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. In Waimanalo, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.Daylight
In Waimanalo, the average length of the day in April is 12h and 40min.On the first day of the month, sunrise is at 6:22 am and sunset at 6:45 pm. On the last day of April, sunrise is at 5:59 am and sunset at 6:56 pm HST.
Sunshine
In Waimanalo, Hawaii, the average sunshine in April is 8.7h.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 value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in April transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Waimanalo in April?
What are the most humid months in Waimanalo?
What is the average humidity in April in Waimanalo?
How much does it rain in Waimanalo in April?
What is the average length of the day in April in Waimanalo?
What time are sunrise and sunset in April in Waimanalo?
How long on average sun shines in April in Waimanalo?
What is the month with the lowest UV index in Waimanalo?
What is the UV index intensity in April in Waimanalo?
Average temperature in April
Waimanalo, HI
- Average high temperature in April: 76.1°F
The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).
- Average low temperature in April: 73°F
The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).
Average pressure in April
Waimanalo, 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
Waimanalo, HI
- Average wind speed in April: 12.8mph
The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).
Average humidity in April
Waimanalo, HI
- Average humidity in April: 76%
The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Waimanalo, HI
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in April
Waimanalo, HI
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).
Average daylight in April /
Average sunshine in April
Waimanalo, 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 4min
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 36min).
Average sunshine days in April
Waimanalo, HI
- Average sunshine days in April: 7.3 days
The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).
Average UV index in April
Waimanalo, 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
Waimanalo, HI
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in April
Waimanalo, 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).
Waimanalo, Hawaii, USA
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