May weather forecast
Kekaha, HI

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Weather in May

May marks a notable increase in temperatures as Kekaha transitions further into the warmer months. The sea temperature begins to rise, reaching a comfortable temperature of 78.1°F (25.6°C). On land, the increased daylight of 13.2 hours offers ample time for sightseeing, beach strolls and other outdoor activities. The weather stays balmy and welcoming, making May a beloved month for tourists seeking sunbathed beaches.

Temperature

The average high-temperature in Kekaha is a still moderately hot 77.4°F (25.2°C) in May, hardly different from the 75.7°F (24.3°C) recorded in April. Kekaha's nighttime temperatures in May see a subtle dip to an average of 72.7°F (22.6°C).

Humidity

January, May, September and November, with an average relative humidity of 74%, are the least humid months in Kekaha.

Rainfall

In Kekaha, in May, during 15.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Kekaha, during the entire year, the rain falls for 172.7 days and collects up to 15.75" (400mm) of precipitation.

Ocean temperature

In May, the average ocean temperature in Kekaha is 78.1°F (25.6°C).
Note: Water temperatures from 77°F (25°C) to 84.2°F (29°C) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

The average length of the day in May in Kekaha is 13h and 12min.
On the first day of May in Kekaha, sunrise is at 6:06 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:18 pm HST.

Sunshine

In May, the average sunshine in Kekaha is 10h.

UV index

January through June, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Kekaha in May?

An average high-temperature, in May, in Kekaha, is 77.4°F (25.2°C) and the average low-temperature is 72.7°F (22.6°C).

What are the least humid months in Kekaha?

January, May, September and November, with an average relative humidity of 74%, are the least humid months in Kekaha, Hawaii.

What is the average humidity in May in Kekaha?

In Kekaha, Hawaii, the average relative humidity in May is 74%.

How many days does it rain in May in Kekaha?

In May, the rain falls for 15.8 days. Throughout May, 1.3" (33mm) of precipitation is accumulated.

What is the ocean temperature in May in Kekaha?

In Kekaha, Hawaii, in May, the average water temperature is 78.1°F (25.6°C). 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.

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

In May, the average day length is 13h and 12min.

When are sunrise and sunset in May in Kekaha?

On the first day of May in Kekaha, sunrise is at 6:06 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:18 pm HST.

How long on average sun shines in May in Kekaha?

The average sunshine duration in May is 10h.

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

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

What is the UV index intensity in May in Kekaha?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in May
Kekaha, HI

Average temperature in May - Kekaha, HI
  • Average high temperature in May: 77.4°F

The warmest month (with the highest average high temperature) is August (80.8°F).
The months with the lowest average high temperature are February and March (73.4°F).

  • Average low temperature in May: 72.7°F

The month with the highest average low temperature is September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).

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Average pressure in May
Kekaha, HI

Average pressure in May - Kekaha, HI
  • Average pressure in May: 30.05"Hg

The months with the highest atmospheric pressure are March and April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

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Average wind speed in May
Kekaha, HI

Average wind speed in May - Kekaha, HI
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is May (8.6mph).

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Average humidity in May
Kekaha, HI

Average humidity in May - Kekaha, HI
  • Average humidity in May: 74%

The months with the highest relative humidity are February, March, April, June, July, August, October and December (75%).
The months with the lowest relative humidity are January, May, September and November (74%).

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Average rainfall in May
Kekaha, HI

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

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in May
Kekaha, HI

Average rainfall days in May - Kekaha, HI
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is January (11.5 days).

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Average sea temperature in May
Kekaha, HI

Average sea temperature in May - Kekaha, HI
  • Average sea temperature in May: 78.1°F

The best month for swimming (with the highest average sea temperature) is September (80.5°F).
The coldest month (with the lowest average sea temperature) is March (75.4°F).

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

Average daylight in May / Average sunshine in May - Kekaha, 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: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).

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Average sunshine days in May
Kekaha, HI

Average sunshine days in May - Kekaha, HI
  • Average sunshine days in May: 9.9 days

The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is November (6.7 days).

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Average UV index in May
Kekaha, HI

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

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

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Average cloud cover in May
Kekaha, HI

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

The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are January and September (Cloud cover 28).

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Average visibility in May
Kekaha, HI

Average visibility in May - Kekaha, 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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Kekaha, Hawaii, USA

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