May weather forecast
Princeville, HI

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Weather in May

The weather for May demonstrates a notable temperature ascent, with the mercury reaching 76.8°F (24.9°C) on average at the high end. The transition from April to May inevitably signals the approach of summer, with temperatures rising and days lengthening. As typically seen in island climates, cloud cover fluctuates while humidity levels remain enjoying. Despite the increased warmth, precipitation remains constant, keeping the Hawaiian landscapes lush and green. Consistent pressures and visibility ensure that May is an ideal time for outdoor exploration in Princeville.

Temperature

The weather in Princeville during May records an average high-temperature of a still moderately hot 76.8°F (24.9°C), closely mirroring the preceding month. Night temperatures during May stabilize at an average of 72.1°F (22.3°C), closely mirroring the daytime temperatures.

Humidity

The average relative humidity in May in Princeville is 76%.

Rainfall

In Princeville, Hawaii, in May, it is raining for 18.5 days, with typically 1.57" (40mm) of accumulated precipitation. In Princeville, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.

Daylight

In May, the average length of the day is 13h and 13min.
On the first day of the month, sunrise is at 6:05 am and sunset at 7:04 pm. On the last day of May, in Princeville, sunrise is at 5:53 am and sunset at 7:17 pm HST.

Sunshine

In May, the average sunshine is 9.3h.

UV index

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Princeville. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the usual temperature for Princeville in May?

In Princeville, 76.8°F (24.9°C) is the average high-temperature and 72.1°F (22.3°C) is the average low-temperature during May.

What is the average humidity in May in Princeville?

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

How much does it rain in Princeville in May?

In Princeville, Hawaii, during May, the rain falls for 18.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

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

The average day length in May in Princeville is 13h and 13min.

What time are sunrise and sunset in May in Princeville?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 7:04 pm. On the last day of the month, in Princeville, sunrise is at 5:53 am and sunset at 7:17 pm HST.

How many hours of sunshine does Princeville have in May?

In Princeville, the average sunshine duration in May is 9.3h.

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

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

What is the UV index reading in May in Princeville?

In May, the average daily maximum UV index in Princeville is 6. A UV Index value of 6 to 7 symbolizes a high 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 May
Princeville, HI

Average temperature in May - Princeville, HI
  • Average high temperature in May: 76.8°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 May: 72.1°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 May
Princeville, HI

Average pressure in May - Princeville, HI
  • Average pressure in May: 30.05"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 May
Princeville, HI

Average wind speed in May - Princeville, HI
  • Average wind speed in May: 10.5mph

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 May
Princeville, HI

Average humidity in May - Princeville, HI
  • Average humidity in May: 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 May
Princeville, HI

Average rainfall in May - Princeville, HI
  • Average rainfall in May: 1.57"

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 May
Princeville, HI

Average rainfall days in May - Princeville, HI
  • Average rainfall days in May: 18.5 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 May /
Average sunshine in May
Princeville, HI

Average daylight in May / Average sunshine in May - Princeville, HI
  • Average daylight in May: 13h and 1min

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 May: 9h and 2min

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 May
Princeville, HI

Average sunshine days in May - Princeville, HI
  • Average sunshine days in May: 6.7 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 May
Princeville, HI

Average UV index in May - Princeville, HI
  • Average UV index in May: 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 May
Princeville, HI

Average cloud cover in May - Princeville, HI
  • Average cloud cover in May: 41

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 May
Princeville, HI

Average visibility in May - Princeville, HI
  • Average visibility in May: 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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