Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Waimalu's average high-temperature in May is a still moderately hot 78.6°F (25.9°C), marking an insignificant difference from the 76.8°F (24.9°C) of April. Waimalu, in May, registers an average low temperature of 72.1°F (22.3°C), showing a minute reduction from daily highs.Humidity
April through June and September, with an average relative humidity of 74%, are the least humid months.Rainfall
In Waimalu, Hawaii, in May, during 18.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 208.4 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Ocean temperature
In May, the average ocean temperature in Waimalu is 77°F (25°C).Note: Water temperature from 77°F (25°C) to 84.2°F (29°C) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
In May, the average length of the day in Waimalu, Hawaii, is 13h and 10min.On the first day of May, sunrise is at 6:00 am and sunset at 6:57 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:10 pm HST.
Sunshine
In Waimalu, the average sunshine in May is 9.5h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Waimalu. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 6 in May transforms into this advice:
Fend off overexposure. Sun protection is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.
Frequently asked questions
What are May temperatures in Waimalu?
What is the least humid month in Waimalu?
What is the average humidity in May in Waimalu?
How much does it rain in Waimalu in May?
What is the ocean temperature in May in Waimalu?
What is the average length of the day in May in Waimalu?
What time are sunrise and sunset in May in Waimalu?
How long on average sun shines in May in Waimalu?
What are the months with the lowest UV index in Waimalu?
How high is the UV index in May in Waimalu?
Average temperature in May
Waimalu, HI
- Average high temperature in May: 78.6°F
The warmest months (with the highest average high temperature) are August and September (82°F).
The months with the lowest average high temperature are February and March (75.4°F).
- Average low temperature in May: 72.1°F
The month with the highest average low temperature is September (75°F).
The coldest month (with the lowest average low temperature) is February (68°F).
Average pressure in May
Waimalu, 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
Waimalu, HI
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is July (11.3mph).
The calmest month (with the lowest average wind speed) is January (8.4mph).
Average humidity in May
Waimalu, HI
- Average humidity in May: 74%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April, May, June and September (74%).
Average rainfall in May
Waimalu, HI
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in May
Waimalu, HI
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is January (13.5 days).
Average sea temperature in May
Waimalu, HI
- Average sea temperature in May: 77°F
The best months for swimming (with the highest average sea temperature) are August, September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight in May /
Average sunshine in May
Waimalu, HI
- Average daylight in May: 13h and 1min
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: 9h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in May
Waimalu, HI
- Average sunshine days in May: 8.7 days
The month with the most sunshine days is January (12.3 days).
The month with the least sunshine days is November (6.2 days).
Average UV index in May
Waimalu, 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
Waimalu, HI
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in May
Waimalu, 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).
Waimalu, Hawaii, USA
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