April weather forecast
Naalehu, HI

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Weather in April

April brings along subtle shifts in Naalehu's weather patterns. The rain falls a little more frequently compared to the previous month, signalling the onset of the wetter part of the year. On clearer days, the sunshine lasts for longer hours, and temperatures too, edge up slightly. Wind speeds rise, clocking in at an average of 6.1mph (9.8km/h). Despite this, this month's key characteristic is its simplicity, offering typical Hawaiian weather that showcases the island's inherent charm and splendor.

Temperature

The transition into April in Naalehu, Hawaii, is marked with an average high-temperature of a still agreeable 69.3°F (20.7°C), showing an insignificant shift from March's 69.3°F (20.7°C). An average nighttime temperature of 64.9°F (18.3°C) marks April.

Humidity

In April, the average relative humidity is 79%.

Rainfall

In Naalehu, during April, the rain falls for 19.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Naalehu, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.

Daylight

In Naalehu, Hawaii, the average length of the day in April is 12h and 35min.
On the first day of April in Naalehu, sunrise is at 6:15 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:44 pm HST.

Sunshine

The average sunshine in April is 9.1h.

UV index

The months with the lowest UV index in Naalehu, Hawaii, are January through April, November and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in April leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Naalehu in April?

In Naalehu, in April, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 64.9°F (18.3°C).

What is the average humidity in April in Naalehu?

In April, the average relative humidity in Naalehu is 79%.

How much does it rain in Naalehu in April?

In Naalehu, Hawaii, in April, it is raining for 19.3 days, with typically 1.42" (36mm) of accumulated precipitation.

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

The average day length in April is 12h and 35min.

When are sunrise and sunset in April in Naalehu?

On the first day of April in Naalehu, Hawaii, sunrise is at 6:15 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 6:44 pm HST.

How long on average sun shines in April in Naalehu?

The average sunshine duration in April in Naalehu is 9.1h.

What are the months with the lowest UV index in Naalehu?

January through April, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Naalehu.

What is the UV index intensity in April in Naalehu?

In Naalehu, Hawaii, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Naalehu, HI

Average temperature in April - Naalehu, HI
  • Average high temperature in April: 69.3°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in April: 64.9°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

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Average pressure in April
Naalehu, HI

Average pressure in April - Naalehu, HI
  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

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Average wind speed in April
Naalehu, HI

Average wind speed in April - Naalehu, HI
  • Average wind speed in April: 6.1mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

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Average humidity in April
Naalehu, HI

Average humidity in April - Naalehu, HI
  • Average humidity in April: 79%

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

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Average rainfall in April
Naalehu, HI

Average rainfall in April - Naalehu, HI
  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in April
Naalehu, HI

Average rainfall days in April - Naalehu, HI
  • Average rainfall days in April: 19.3 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

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

Average daylight in April / Average sunshine in April - Naalehu, 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: 9h and 1min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

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Average sunshine days in April
Naalehu, HI

Average sunshine days in April - Naalehu, HI
  • Average sunshine days in April: 3.5 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

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Average UV index in April
Naalehu, HI

Average UV index in April - Naalehu, HI
  • Average UV index in April: 5

The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).

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Average cloud cover in April
Naalehu, HI

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

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

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Average visibility in April
Naalehu, HI

Average visibility in April - Naalehu, 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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Naalehu, Hawaii, USA

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