April weather forecast
Waikapu, HI

Weather in April

April, the same as March, is another warm spring month in Waikapu, Hawaii, with average temperature ranging between min 72.1°F (22.3°C) and max 75.6°F (24.2°C).

Temperature

In April, the average high-temperature is almost the same as in March - a still moderately hot 75.6°F (24.2°C). The average low-temperature, in April, is 72.1°F (22.3°C).

Humidity

In Waikapu, the average relative humidity is 75%.

Rainfall

In Waikapu, it is raining for 8.1 days, with typically 0.63" (16mm) of accumulated precipitation. In Waikapu, during the entire year, the rain falls for 103.4 days and collects up to 6.57" (167mm) of precipitation.

Daylight

In April, the average length of the day in Waikapu is 12.7h.

Sunshine

In Waikapu, the average sunshine is 9.2h.

UV index

Months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to the UV radiation for the average person.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the average humidity in April in Waikapu?

In Waikapu, Hawaii, the average relative humidity in April is 75%.

How many days does it rain in April in Waikapu?

In Waikapu, Hawaii, during April, the rain falls for 8.1 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many hours of daylight does Waikapu have in April?

The average length of the day in April is 12.7h.

How long on average sun shines in April in Waikapu?

The average sunshine in April in Waikapu is 9.2h.

When is the lowest UV index in Waikapu?

Months with the lowest UV index in Waikapu, Hawaii, are January through June, November and December, with an average maximum UV index of 6.

What is the UV index intensity in April in Waikapu?

In Waikapu, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Waikapu, HI

Average temperature in April - Waikapu, 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).

[Resources]

Average pressure in April
Waikapu, HI

Average pressure in April - Waikapu, HI
  • Average pressure in April: 30.05"

The month with the highest atmospheric pressure is April (30.05").
Months with the lowest atmospheric pressure are September and October (29.97").

[Resources]

Average wind speed in April
Waikapu, HI

Average wind speed in April - Waikapu, 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).

[Resources]

Average humidity in April
Waikapu, HI

Average humidity in April - Waikapu, HI
  • Average humidity in April: 75%

Months with the highest relative humidity are July and August (76%).
Months with the lowest relative humidity are January and February (74%).

[Resources]

Average rainfall in April
Waikapu, HI

Average rainfall in April - Waikapu, 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").

[Resources]

Average rainfall days in April
Waikapu, HI

Average rainfall days in April - Waikapu, 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).

[Resources]

Average daylight in April /
Average sunshine in April
Waikapu, HI

Average daylight in April / Average sunshine in April - Waikapu, HI
  • Average daylight in April: 12.7h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in April: 9.2h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is December (Average sunshine: 7h).

[Resources]

Average sunshine days in April
Waikapu, HI

Average sunshine days in April - Waikapu, 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).

[Resources]

Average UV index in April
Waikapu, HI

Average UV index in April - Waikapu, HI
  • Average UV index in April: 6

Months with the highest UV index are July, August, September and October (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

[Resources]

Average cloud cover in April
Waikapu, HI

Average cloud cover in April - Waikapu, HI
  • Average cloud cover in April: 27

The month with the most cloud cover is March (Cloud cover 30).
Months with the least cloud cover are June and September (Cloud cover 21).

[Resources]

Average visibility in April
Waikapu, HI

Average visibility in April - Waikapu, HI
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location