May weather forecastHaliimaile, HI
May
Weather in May
May, the last month of the spring in Haliimaile, is another warm month, with an average temperature fluctuating between 75.4°F (24.1°C) and 72.7°F (22.6°C).Temperature
May experiences an average high-temperature of a still warm 75.4°F (24.1°C), barely different from April's 74.3°F (23.5°C). Haliimaile's nighttime temperature in May shows a minor descent, with a steady average of 72.7°F (22.6°C).Humidity
The average relative humidity in May in Haliimaile is 77%.Rainfall
In Haliimaile, in May, it is raining for 12.3 days, with typically 0.94" (24mm) of accumulated precipitation. In Haliimaile, Hawaii, during the entire year, the rain falls for 136.7 days and collects up to 13.94" (354mm) of precipitation.Snowfall
In Haliimaile, snow does not fall in January through August, October through December.Daylight
The average length of the day in May in Haliimaile is 13h and 8min.On the first day of May, sunrise is at 5:54 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:02 pm HST.
Sunshine
The average sunshine in May is 10.8h.UV index
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 6 turns into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Haliimaile, HI
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
- Average low temperature in May: 72.7°F
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure in May
Haliimaile, 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
Haliimaile, HI
- Average wind speed in May: 12.6mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity in May
Haliimaile, HI
- Average humidity in May: 77%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall in May
Haliimaile, HI
- Average rainfall in May: 0.94"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Haliimaile, HI
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days in May
Haliimaile, HI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Haliimaile, HI
- Average daylight in May: 13h and 6min
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 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in May
Haliimaile, HI
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in May
Haliimaile, 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
Haliimaile, HI
- Average cloud cover in May: 28
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility in May
Haliimaile, 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).





