May weather forecastKalaoa, HI
May
Weather in May
As spring gives way to summer, May in Kalaoa, Hawaii, ushers in the highest relative humidity at 77%, making the weather feel warmer than it is. Despite the rising temperatures, rainfall sees a slight increase indicating the start of the summer monsoon. When comparing with its predecessor, the climate shows a warmer and more humid trend, a trend that extends into equatorial June. May symbolizes typical tropical weather patterns, where warmth is juxtaposed with bouts of rain. The island comes alive during this month, making it ideal for outdoor explorations.Temperature
The arrival of May coincides with an average high-temperature of a still moderately hot 75.7°F (24.3°C), indicating a minimal shift from April's 74.7°F (23.7°C). Recording a slight decline in temperature during the nights, Kalaoa's May temperatures average at a pleasant 71.6°F (22°C).Humidity
In Kalaoa, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 14.4 days. Throughout May, 0.94" (24mm) of precipitation is accumulated. In Kalaoa, during the entire year, the rain falls for 136 days and collects up to 8.5" (216mm) of precipitation.Daylight
In May, the average length of the day is 13h and 5min.On the first day of May, sunrise is at 5:54 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 6:59 pm HST.
Sunshine
In Kalaoa, the average sunshine in May is 11.3h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kalaoa, HI
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).
- Average low temperature in May: 71.6°F
The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).
Average pressure in May
Kalaoa, HI
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in May
Kalaoa, HI
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in May
Kalaoa, HI
- Average humidity in May: 76%
The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).
Average rainfall in May
Kalaoa, HI
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Kalaoa, HI
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).
Average daylight in May /
Average sunshine in May
Kalaoa, HI
- Average daylight in May: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in May: 11h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in May
Kalaoa, HI
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).
Average UV index in May
Kalaoa, HI
- Average UV index in May: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in May
Kalaoa, HI
- Average cloud cover in May: 21
The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in May
Kalaoa, 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).
