May weather forecastKealia, HI
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Kealia, Hawaii, with an average temperature ranging between max 76.8°F (24.9°C) and min 72.1°F (22.3°C).Temperature
With the onset of May, Kealia's average high-temperature clocks in at a still warm 76.8°F (24.9°C), showing a minor fluctuation from the previous month. Consistently, Kealia reports average nighttime temperatures of 72.1°F (22.3°C) during May, a marginal step down from its daytime highs.Humidity
In May, the average relative humidity is 76%.Rainfall
In Kealia, during May, the rain falls for 18.5 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 218.4 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 13min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:03 pm. On the last day of May, sunrise is at 5:53 am and sunset at 7:17 pm HST.
Sunshine
The average sunshine in May in Kealia is 9.3h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during May translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kealia, HI
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in May: 72.1°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in May
Kealia, HI
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in May
Kealia, HI
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in May
Kealia, HI
- Average humidity in May: 76%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in May
Kealia, HI
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in May
Kealia, HI
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight in May /
Average sunshine in May
Kealia, HI
- Average daylight in May: 13h and 12min
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: 9h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in May
Kealia, HI
- Average sunshine days in May: 6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in May
Kealia, HI
- Average UV index in May: 6
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover in May
Kealia, HI
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in May
Kealia, 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).





