May weather forecastWaimanalo Beach, HI
May
Weather in May
May, the last month of the spring in Waimanalo Beach, is another warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 77.7°F (25.4°C).Temperature
Waimanalo Beach's weather, upon May's arrival, documents an average high-temperature of a still moderately hot 77.7°F (25.4°C), nearly identical to the prior month. Waimanalo Beach, during the May nights, maintains an average temperature of 74.1°F (23.4°C), closely aligned with its daytime readings.Humidity
In Waimanalo Beach, the average relative humidity in May is 75%.Rainfall
In Waimanalo Beach, in May, during 15.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Waimanalo Beach, during the entire year, the rain falls for 169.9 days and collects up to 13.15" (334mm) of precipitation.Ocean temperature
In May, the average ocean temperature in Waimanalo Beach is 77.9°F (25.5°C).Note: For engaging in any water activities, temperatures from 77°F (25°C) to 84.2°F (29°C) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
The average length of the day in May is 13h and 10min.On the first day of the month, sunrise is at 5:59 am and sunset at 6:56 pm. On the last day of May, sunrise is at 5:48 am and sunset at 7:09 pm HST.
Sunshine
In Waimanalo Beach, Hawaii, the average sunshine in May is 10.8h.UV index
The months with the lowest UV index in Waimanalo Beach are January through June, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Waimanalo Beach, HI
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is September (80.6°F).
The month with the lowest average high temperature is February (74.5°F).
- Average low temperature in May: 74.1°F
The months with the highest average low temperature are September and October (77°F).
The coldest month (with the lowest average low temperature) is February (70.5°F).
Average pressure in May
Waimanalo Beach, 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
Waimanalo Beach, HI
- Average wind speed in May: 11.6mph
The windiest month (with the highest average wind speed) is July (14.1mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).
Average humidity in May
Waimanalo Beach, HI
- Average humidity in May: 75%
The months with the highest relative humidity are April, June, July, August and December (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in May
Waimanalo Beach, HI
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is March (1.69").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in May
Waimanalo Beach, HI
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is June (11.3 days).
Average sea temperature in May
Waimanalo Beach, HI
- Average sea temperature in May: 78°F
The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in May /
Average sunshine in May
Waimanalo Beach, 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: 10h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Waimanalo Beach, HI
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is June (13.6 days).
The months with the least sunshine days are March and November (6.6 days).
Average UV index in May
Waimanalo Beach, HI
- Average UV index in May: 6
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in May
Waimanalo Beach, HI
- Average cloud cover in May: 29
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in May
Waimanalo Beach, 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).
