April weather forecast
Princeville, HI

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Weather in April

April's weather outlook shows a decline in rainfall from March to 1.3in, making it a drier and more favorable month for outdoor activities. April is characterized by longer daylight hours, allowing more time for tourists and locals alike to explore Princeville's beautiful outdoors. The temperatures continue their steady, mild climb, heralding the onset of summer. The balmy days and temperate nights create an inviting climate throughout the month. The relative UV index stays stable, thus providing excellent weather conditions for a variety of water sports.

Temperature

Princeville experiences a transition to a moderately hot 74.8°F (23.8°C) in average high-temperatures with the arrival of April, not greatly differing from March's 73.2°F (22.9°C). Nights in April in Princeville, Hawaii, exhibit a minor reduction to an average low temperature of 70.9°F (21.6°C).

Humidity

In Princeville, the average relative humidity in April is 76%.

Rainfall

The month with the least rainfall in Princeville is April, when the rain falls for 18.3 days and typically collects 1.3" (33mm) of precipitation.

Daylight

In Princeville, the average length of the day in April is 12h and 41min.
On the first day of the month, sunrise is at 6:29 am and sunset at 6:53 pm. On the last day of April, sunrise is at 6:05 am and sunset at 7:04 pm HST.

Sunshine

The average sunshine in April is 7.8h.

UV index

The months with the lowest UV index in Princeville are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during April, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for Princeville in April?

An average high-temperature, in April, in Princeville, is 74.8°F (23.8°C) and the average low-temperature is 70.9°F (21.6°C).

What is the average humidity in April in Princeville?

In Princeville, the average relative humidity in April is 76%.

What is the driest month in Princeville?

The month with the least rainfall is April, when the rain falls for 18.3 days and typically collects 1.3" (33mm) of precipitation.

How much does it rain in Princeville in April?

In Princeville, in April, it is raining for 18.3 days, with typically 1.3" (33mm) of accumulated precipitation.

What is the average length of the day in April in Princeville?

In April, the average day length in Princeville, Hawaii, is 12h and 41min.

What time are sunrise and sunset in April in Princeville?

On the first day of April, sunrise is at 6:29 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:04 pm HST.

How long on average sun shines in April in Princeville?

In April, the average sunshine duration in Princeville is 7.8h.

What is the month with the lowest UV index in Princeville?

The months with the lowest UV index in Princeville are January through August, October through December, with an average maximum UV index of 6.

How high is the UV index in April in Princeville?

In Princeville, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Princeville, HI

Average temperature in April - Princeville, HI
  • Average high temperature in April: 74.8°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in April: 70.9°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

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Average pressure in April
Princeville, HI

Average pressure in April - Princeville, HI
  • Average pressure in April: 30.07"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

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Average wind speed in April
Princeville, HI

Average wind speed in April - Princeville, HI
  • Average wind speed in April: 11.5mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

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Average humidity in April
Princeville, HI

Average humidity in April - Princeville, HI
  • Average humidity in April: 76%

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

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Average rainfall in April
Princeville, HI

Average rainfall in April - Princeville, HI
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

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Average rainfall days in April
Princeville, HI

Average rainfall days in April - Princeville, HI
  • Average rainfall days in April: 18.3 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

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

Average daylight in April / Average sunshine in April - Princeville, HI
  • Average daylight in April: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

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Average sunshine days in April
Princeville, HI

Average sunshine days in April - Princeville, HI
  • Average sunshine days in April: 5.7 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

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Average UV index in April
Princeville, HI

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

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

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Average cloud cover in April
Princeville, HI

Average cloud cover in April - Princeville, HI
  • Average cloud cover in April: 46

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

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Average visibility in April
Princeville, HI

Average visibility in April - Princeville, 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).

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Princeville, Hawaii, USA

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