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
Transitioning from March to April, Halaula observes an average high-temperature of a still refreshing 63°F (17.2°C), differing subtly from the previous month. April registers an average low temperature of 54.1°F (12.3°C), subtly lower than the daytime maximum.Humidity
The average relative humidity in April is 82%.Rainfall
In Halaula, in April, it is raining for 24.1 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Daylight
The average length of the day in April is 12h and 38min.On the first day of April, sunrise is at 6:15 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 6:46 pm HST.
Sunshine
In April, the average sunshine is 8.1h.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during April leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in Halaula in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Halaula have in April?
What are the months with the lowest UV index?
What is the UV index reading in April in Halaula?
Average temperature in April
Halaula, HI
- Average high temperature in April: 63°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in April: 54.1°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in April
Halaula, 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
Halaula, HI
- Average wind speed in April: 4.9mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in April
Halaula, HI
- Average humidity in April: 82%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in April
Halaula, HI
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in April
Halaula, HI
- Average rainfall days in April: 24.1 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight in April /
Average sunshine in April
Halaula, HI
- Average daylight in April: 12h and 4min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Halaula, HI
- Average sunshine days in April: 4.1 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in April
Halaula, HI
- Average UV index in April: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in April
Halaula, HI
- Average cloud cover in April: 43
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in April
Halaula, 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).
Halaula, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location