May weather forecastKaaawa, HI
May
Weather in May
May, the last month of the spring in Kaaawa, is another warm month, with an average temperature varying between 73.2°F (22.9°C) and 77.5°F (25.3°C).Temperature
As May takes its course, Kaaawa's average high-temperature registers at a still warm 77.5°F (25.3°C), closely aligning with the preceding month. Kaaawa registers a steady nighttime temperature averaging an agreeable 73.2°F (22.9°C) throughout May.Humidity
January, May, June, September and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In Kaaawa, in May, during 17.2 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 187.1 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Ocean temperature
In May, the average ocean temperature is 77.5°F (25.3°C).Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.
Daylight
In May, the average length of the day is 13h and 11min.On the first day of the month, sunrise is at 5:59 am and sunset at 6:57 pm. On the last day of May, sunrise is at 5:48 am and sunset at 7:10 pm HST.
Sunshine
The average sunshine in May is 10.3h.UV index
The months with the lowest UV index are January through June, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 6 in May transforms into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. 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
Average temperature in May
Kaaawa, HI
- Average high temperature in May: 77.5°F
The warmest months (with the highest average high temperature) are August and September (81°F).
The month with the lowest average high temperature is February (74.3°F).
- Average low temperature in May: 73.2°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is February (69.6°F).
Average pressure in May
Kaaawa, 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
Kaaawa, HI
- Average wind speed in May: 11.2mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is January (10.3mph).
Average humidity in May
Kaaawa, HI
- Average humidity in May: 75%
The months with the highest relative humidity are February, March, April, July, August, October and December (76%).
The months with the lowest relative humidity are January, May, June, September and November (75%).
Average rainfall in May
Kaaawa, HI
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in May
Kaaawa, HI
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is June (13.5 days).
Average sea temperature in May
Kaaawa, HI
- Average sea temperature in May: 77.5°F
The best month for swimming (with the highest average sea temperature) is September (80.1°F).
The coldest month (with the lowest average sea temperature) is March (75°F).
Average daylight in May /
Average sunshine in May
Kaaawa, 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 48min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in May
Kaaawa, HI
- Average sunshine days in May: 8.9 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in May
Kaaawa, HI
- Average UV index in May: 6
The months with the highest UV index are July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 6).
Average cloud cover in May
Kaaawa, HI
- Average cloud cover in May: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Kaaawa, 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).
