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
The average high-temperature is a still agreeable 70.9°F (21.6°C) in April, hardly different from the 69.6°F (20.9°C) recorded in March. In Hakalau, April nights maintain a consistent temperature, with an average low of 64.9°F (18.3°C).Humidity
In April, the average relative humidity is 79%.Rainfall
In Hakalau, in April, it is raining for 21.3 days, with typically 1.97" (50mm) of accumulated precipitation. In Hakalau, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Daylight
In April, the average length of the day in Hakalau is 12h and 37min.On the first day of the month, sunrise is at 6:13 am and sunset at 6:35 pm. On the last day of April, sunrise is at 5:51 am and sunset at 6:43 pm HST.
Sunshine
In April, the average sunshine is 8.8h.UV index
January through April, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in April translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April in Hakalau?
How much does it rain in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
When is the lowest UV index?
How high is the UV index in April?
Average temperature in April
Hakalau, HI
- Average high temperature in April: 70.9°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in April: 64.9°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in April
Hakalau, 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
Hakalau, HI
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in April
Hakalau, HI
- Average humidity in April: 79%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in April
Hakalau, HI
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in April
Hakalau, HI
- Average rainfall days in April: 21.3 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight in April /
Average sunshine in April
Hakalau, 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: 11h and 0min).
- Average sunshine in April: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Hakalau, HI
- Average sunshine days in April: 1.9 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in April
Hakalau, HI
- Average UV index in April: 5
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in April
Hakalau, HI
- Average cloud cover in April: 38
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in April
Hakalau, 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).
Hakalau, Hawaii, USA
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