Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May records an average high-temperature of a still moderately hot 76.8°F (24.9°C), closely related to the 75.4°F (24.1°C) observed in April. Kaanapali's nighttime average temperature in May drops marginally from the daytime highs, settling at an agreeable 73°F (22.8°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Kaanapali, during May, the rain falls for 10.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Kaanapali, Hawaii, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.Ocean temperature
In Kaanapali, in May, the average water temperature is 77.5°F (25.3°C).Note: For swimming, diving, and various water activities, the temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are seen as highly enjoyable and comfortable for extended durations without any discomfort.
Daylight
In May, the average length of the day is 13h and 8min.On the first day of May in Kaanapali, 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 7:04 pm HST.
Sunshine
In May, the average sunshine is 10.6h.UV index
The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily UV index of 6 turns into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the ocean temperature in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
When is the lowest UV index?
How high is the UV index in May?
Average temperature in May
Kaanapali, 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).
Average pressure in May
Kaanapali, 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).
Average wind speed in May
Kaanapali, 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).
Average humidity in May
Kaanapali, 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%).
Average rainfall in May
Kaanapali, 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").
Average rainfall days in May
Kaanapali, 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).
Average sea temperature in May
Kaanapali, HI
- Average sea temperature in May: 77.6°F
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight in May /
Average sunshine in May
Kaanapali, 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 54min).
- Average sunshine in May: 10h and 4min
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).
Average sunshine days in May
Kaanapali, 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).
Average UV index in May
Kaanapali, 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).
Average cloud cover in May
Kaanapali, 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).
Average visibility in May
Kaanapali, 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).
Kaanapali, Hawaii, USA
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