May weather forecastKaunakakai, HI
May
Weather in May
The weather in May in Kaunakakai, Hawaii, is defined by radiant warmth and a further reduction of rain from April. May experiences the lowest rainfall in the first half of the year with just 0.71" (18mm) of precipitation. The fine weather conditions of this month facilitate a surge in outdoor activities and events. May's cheerful weather presents an opportunity for locals and tourists to fully appreciate Hawaii's breathtaking beaches. This month's overall pleasant climate underlines why it is a prime time for tourism in Hawaii.Temperature
The shift into May in Kaunakakai, Hawaii, reveals an average high-temperature of a still moderately hot 77°F (25°C), closely mirroring April's climate. Kaunakakai's nighttime temperature in May shows a minor descent, with a steady average of 74.3°F (23.5°C).Humidity
The months with the highest humidity are April through August, with an average relative humidity of 76%.Rainfall
In Kaunakakai, in May, during 11.2 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Kaunakakai, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Ocean temperature
In Kaunakakai, Hawaii, in May, the average water temperature is 77.5°F (25.3°C).Note: For water activities like swimming, diving, and more, temperatures ranging between 77°F (25°C) and 84.2°F (29°C) offer superior comfort and enjoyment for lengthy durations.
Daylight
In Kaunakakai, the average length of the day in May is 13h and 9min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:53 pm. On the last day of May, sunrise is at 5:45 am and sunset at 7:05 pm HST.
Sunshine
In May, the average sunshine in Kaunakakai is 11.2h.UV index
January through May, November and 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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during May leads to these advisories:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! Reflecting off water and sand, UV rays are much stronger.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kaunakakai, HI
- Average high temperature in May: 77°F
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in May: 74.3°F
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure in May
Kaunakakai, HI
- Average pressure in May: 30.04"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in May
Kaunakakai, HI
- Average wind speed in May: 11.6mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity in May
Kaunakakai, HI
- Average humidity in May: 76%
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in May
Kaunakakai, HI
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Kaunakakai, HI
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature in May
Kaunakakai, 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 (75.6°F).
Average daylight in May /
Average sunshine in May
Kaunakakai, HI
- Average daylight in May: 13h and 12min
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: 11h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Kaunakakai, HI
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in May
Kaunakakai, HI
- Average UV index in May: 6
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover in May
Kaunakakai, HI
- Average cloud cover in May: 26
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in May
Kaunakakai, 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).
