May weather forecast
Kapalua, HI

Weather in May

The last month of the spring, May, is another warm month in Kapalua, Hawaii, with temperature in the range of an average low of 73°F (22.8°C) and an average high of 76.8°F (24.9°C).

Temperature

In Kapalua, the average high-temperature in May is essentially the same as in April - a still moderately hot 76.8°F (24.9°C). In Kapalua, in May, the average low-temperature is 73°F (22.8°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Kapalua, during May, the rain falls for 10.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Kapalua, Hawaii, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.

Ocean temperature

In May, the average ocean temperature is 77°F (25°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Kapalua, the average length of the day in May is 13h and 9min.
On the first day of the month, sunrise is at 5:55 am and sunset at 6:51 pm. On the last day of May, sunrise is at 5:44 am and sunset at 7:03 pm HST.

Sunshine

In Kapalua, the average sunshine in May is 10.6h.

UV index

The months with the lowest UV index in Kapalua, Hawaii, are January through June, November and 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 average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Kapalua?

The average high-temperature, in May, in Kapalua, Hawaii, is 76.8°F (24.9°C), while the average low-temperature is 73°F (22.8°C).

What is the average humidity in May in Kapalua?

The average relative humidity in May in Kapalua, Hawaii, is 76%.

How much does it rain in Kapalua in May?

In Kapalua, Hawaii, in May, during 10.3 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

What is the water temperature in May in Kapalua?

In May, the average ocean temperature in Kapalua is 77°F (25°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

In May, the average day length in Kapalua is 13h and 9min.

When is the sunrise / sunset in May in Kapalua?

On the first day of May in Kapalua, sunrise is at 5:55 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:03 pm HST.

How long on average sun shines in May in Kapalua?

The average sunshine duration in May is 10.6h.

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

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

What is the UV index reading in May in Kapalua?

The average daily maximum UV index in May in Kapalua is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in May
Kapalua, HI

Average temperature in May - Kapalua, HI
  • Average high temperature in May: 76.8°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in May: 73°F

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure in May
Kapalua, HI

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

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

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Average wind speed in May
Kapalua, HI

Average wind speed in May - Kapalua, HI
  • Average wind speed in May: 11.7mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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Average humidity in May
Kapalua, HI

Average humidity in May - Kapalua, HI
  • Average humidity in May: 76%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall in May
Kapalua, HI

Average rainfall in May - Kapalua, HI
  • Average rainfall in May: 0.55"

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in May
Kapalua, HI

Average rainfall days in May - Kapalua, HI
  • Average rainfall days in May: 10.3 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature in May
Kapalua, HI

Average sea temperature in May - Kapalua, HI
  • Average sea temperature in May: 77°F

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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

Average daylight in May / Average sunshine in May - Kapalua, HI
  • Average daylight in May: 13h and 9min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

  • Average sunshine in May: 10h and 36min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in May
Kapalua, HI

Average sunshine days in May - Kapalua, HI
  • Average sunshine days in May: 17.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in May
Kapalua, HI

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

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

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Average cloud cover in May
Kapalua, HI

Average cloud cover in May - Kapalua, HI
  • Average cloud cover in May: 30

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in May
Kapalua, HI

Average visibility in May - Kapalua, 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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