May weather forecast
Hanapepe, HI

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Weather in May

The last month of the spring, May, is another warm month in Hanapepe, Hawaii, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 77.4°F (25.2°C).

Temperature

As May takes its course, Hanapepe's average high-temperature registers at a still moderately hot 77.4°F (25.2°C), closely aligning with the preceding month. A minimal decline in temperature from daytime highs is anticipated throughout the May nights, averaging an agreeable 72.7°F (22.6°C).

Humidity

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

Rainfall

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

Ocean temperature

In Hanapepe, in May, the average water temperature is 78.1°F (25.6°C).
Note: For swimming, diving, and similar activities, the water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In May, the average length of the day in Hanapepe is 13h and 12min.
On the first day of May in Hanapepe, Hawaii, sunrise is at 6:06 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:17 pm HST.

Sunshine

In Hanapepe, the average sunshine in May 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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a regular UV index of 6 translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Frequently asked questions

What are the temperatures in Hanapepe in May?

During May, Hanapepe experiences an average high-temperature of 77.4°F (25.2°C) and a low-temperature of 72.7°F (22.6°C).

What are the least humid months in Hanapepe?

The months with the lowest humidity are January, May, September and November, with an average relative humidity of 74%.

What is the average humidity in May in Hanapepe?

The average relative humidity in May is 74%.

How much does it rain in Hanapepe in May?

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

How warm is the water in May in Hanapepe?

In Hanapepe, in May, the average water temperature is 78.1°F (25.6°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Hanapepe have in May?

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

What time are sunrise and sunset in May in Hanapepe?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:17 pm HST.

How many hours of sunshine does Hanapepe have in May?

In Hanapepe, the average sunshine duration in May is 10h.

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

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

How high is the UV index in May in Hanapepe?

In May, the average daily maximum UV index in Hanapepe is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in May
Hanapepe, HI

Average temperature in May - Hanapepe, 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
Hanapepe, HI

Average pressure in May - Hanapepe, 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
Hanapepe, HI

Average wind speed in May - Hanapepe, 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
Hanapepe, HI

Average humidity in May - Hanapepe, 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
Hanapepe, HI

Average rainfall in May - Hanapepe, 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
Hanapepe, HI

Average rainfall days in May - Hanapepe, 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
Hanapepe, HI

Average sea temperature in May - Hanapepe, 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
Hanapepe, HI

Average daylight in May / Average sunshine in May - Hanapepe, 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
Hanapepe, HI

Average sunshine days in May - Hanapepe, 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
Hanapepe, HI

Average UV index in May - Hanapepe, 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
Hanapepe, HI

Average cloud cover in May - Hanapepe, 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
Hanapepe, HI

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

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