May weather forecast and climate
Kapalua, HI

Temperature

In Kapalua, in May, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 62.6°F (17°C).

Rainfall

In Kapalua, during May, the rain falls for 9 days and regularly aggregates up to 3.1" (79mm) of precipitation. In Kapalua, during the entire year, the rain falls for 128 days and collects up to 52.8" (1340mm) of precipitation.

Ocean temperature

In Kapalua, the average water temperature 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.

Daylight

The average length of the day is 13.1h.

Sunshine

In Kapalua, the average sunshine is 8h.

UV index

The average UV index in May is 11.

What is the temperature in May in Kapalua?

In Kapalua, Hawaii, in May, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 62.6°F (17°C).

How much does it rain in Kapalua in May?

In Kapalua, in May, during 9 rainfall days, 3.1" (79mm) of precipitation is typically accumulated.

How warm is the water in May in Kapalua?

In Kapalua, Hawaii, in May, the average water temperature is 77°F (25°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.

How many hours of daylight does Kapalua have in May?

In May, the average length of the day in Kapalua, Hawaii, is 13.1h.

How long on average sun shines in May in Kapalua?

In Kapalua, Hawaii, the average sunshine in May is 8h.

What is the UV index reading in May in Kapalua?

In May, the average UV index is 11.
Average temperature in May - Kapalua, HI
  • Average high temperature in May: 26°C

Warmest months (with the highest average high temperature) are August and September (28°C).
Months with the lowest average high temperature are January, February and March (24°C).

  • Average low temperature in May: 17°C

Months with the highest average low temperature are July and August (19°C).
Coldest months (with the lowest average low temperature) are January and February (15°C).

Average rainfall in May - Kapalua, HI
  • Average rainfall in May: 79mm

The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the lowest rainfall) is June (48mm).

Average rainfall days in May - Kapalua, HI
  • Average rainfall days in May: 9 days

Months with the highest number of rainy days are March, April and December (13 days).
Months with the lowest number of rainy days are June and September (8 days).

Average sea temperature in May - Kapalua, HI
  • Average sea temperature in May: 25°C

Best months for swimming (with the highest average sea temperature) are September and October (27°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (24°C).

Average daylight in May / Average sunshine in May - Kapalua, HI
  • Average daylight in May: 13.1h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in May: 8h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, February, October, November and December (Average sunshine: 7).

Average UV index in May - Kapalua, HI
  • Average UV index in May: 11

Months with the highest UV index are June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

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