May weather forecast
Kahuku, HI

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Weather in May

The last month of the spring, May, is also a moderately hot month in Kahuku, Hawaii, with an average temperature ranging between min 72.9°F (22.7°C) and max 77.7°F (25.4°C).

Temperature

The beginning of May reveals an average high-temperature of a still warm 77.7°F (25.4°C), showing minimal deviation from the previous month. Kahuku's nights throughout May are marked by an average low temperature of 72.9°F (22.7°C), a minor drop from the day's high.

Humidity

The months with the lowest humidity are January, April, May, September and November, with an average relative humidity of 75%.

Rainfall

In May, the rain falls for 19 days. Throughout May, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 215.6 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

Daylight

In May, the average length of the day in Kahuku is 13h and 11min.
On the first day of the month, sunrise is at 5:59 am and sunset at 6:57 pm. On the last day of May, sunrise is at 5:48 am and sunset at 7:10 pm HST.

Sunshine

In Kahuku, the average sunshine in May is 9.6h.

UV index

The months with the lowest UV index are January through June, August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kahuku in May?

The average high-temperature and low-temperature in Kahuku, Hawaii, during May are 77.7°F (25.4°C) and 72.9°F (22.7°C) respectively.

What is the least humid month?

The months with the lowest humidity are January, April, May, September and November, with an average relative humidity of 75%.

What is the average humidity in May?

In Kahuku, the average relative humidity in May is 75%.

How much does it rain in May?

In May, the rain falls for 19 days. Throughout May, 1.3" (33mm) of precipitation is accumulated.

How many hours of daylight does Kahuku have in May?

The average day length in May is 13h and 11min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 6:57 pm. On the last day of the month, in Kahuku, sunrise is at 5:48 am and sunset at 7:10 pm HST.

How many hours of sunshine does Kahuku have in May?

In Kahuku, the average sunshine duration in May is 9.6h.

What is the month with the lowest UV index?

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

What is the UV index reading in May?

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

Average temperature in May - Kahuku, HI
  • Average high temperature in May: 77.7°F

The warmest month (with the highest average high temperature) is September (81.3°F).
The month with the lowest average high temperature is February (74.1°F).

  • Average low temperature in May: 72.9°F

The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).

Average pressure in May
Kahuku, HI

Average pressure in May - Kahuku, HI
  • Average pressure in May: 30.04"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).

Average wind speed in May
Kahuku, HI

Average wind speed in May - Kahuku, HI
  • Average wind speed in May: 11.2mph

The windiest month (with the highest average wind speed) is July (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.2mph).

Average humidity in May
Kahuku, HI

Average humidity in May - Kahuku, HI
  • Average humidity in May: 75%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, April, May, September and November (75%).

Average rainfall in May
Kahuku, HI

Average rainfall in May - Kahuku, HI
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is July (0.75").

Average rainfall days in May
Kahuku, HI

Average rainfall days in May - Kahuku, HI
  • Average rainfall days in May: 19 days

The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is January (15.6 days).

Average daylight in May /
Average sunshine in May
Kahuku, HI

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

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in May
Kahuku, HI

Average sunshine days in May - Kahuku, HI
  • Average sunshine days in May: 7.5 days

The month with the most sunshine days is January (10.1 days).
The month with the least sunshine days is November (3.5 days).

Average UV index in May
Kahuku, HI

Average UV index in May - Kahuku, HI
  • Average UV index in May: 6

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

Average cloud cover in May
Kahuku, HI

Average cloud cover in May - Kahuku, 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 39).

Average visibility in May
Kahuku, HI

Average visibility in May - Kahuku, 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).

Kahuku, Hawaii, USA

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