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
April's weather records an average high-temperature of a still warm 75.9°F (24.4°C), showing little deviation from March. Nighttime temperatures hover around an average low of 72.7°F (22.6°C) in April, a slight descent from daytime highs.Humidity
April through August, with an average relative humidity of 76%, are the most humid months.Rainfall
In Maunaloa, in April, during 10.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Ocean temperature
The months with the coldest seawater are January through April, with an average ocean temperature of 75.2°F (24°C).Note: A swim in 75.2°F (24°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.
Daylight
The average length of the day in April is 12h and 39min.On the first day of the month, sunrise is at 6:21 am and sunset at 6:43 pm. On the last day of April, sunrise is at 5:58 am and sunset at 6:53 pm HST.
Sunshine
The average sunshine in April is 9.1h.UV index
January through May, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in April interprets into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What are the most humid months?
What is the average humidity in April?
How many days does it rain in April?
What are the months with the coldest ocean?
How warm is the water in April?
How many hours of daylight does Maunaloa have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Maunaloa have in April?
What are the months with the lowest UV index?
How high is the UV index in April?
Average temperature in April
Maunaloa, HI
- Average high temperature in April: 75.9°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in April: 72.7°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in April
Maunaloa, HI
- Average pressure in April: 30.05"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in April
Maunaloa, HI
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in April
Maunaloa, HI
- Average humidity in April: 76%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Maunaloa, HI
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Maunaloa, HI
- Average rainfall days in April: 10.4 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in April
Maunaloa, HI
- Average sea temperature in April: 75°F
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in April /
Average sunshine in April
Maunaloa, 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: 6h and 48min).
Average sunshine days in April
Maunaloa, HI
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in April
Maunaloa, HI
- Average UV index in April: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in April
Maunaloa, HI
- Average cloud cover in April: 28
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in April
Maunaloa, 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).
Maunaloa, Hawaii, USA
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