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 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
Welcoming May, Princeville notes an average high-temperature of a still warm 76.8°F (24.9°C), nearly consistent with April's 74.8°F (23.8°C). May's average low temperature is a pleasant 72.1°F (22.3°C), displaying a subtle drop from its daily peak.Humidity
The average relative humidity in May is 76%.Rainfall
In May, the rain falls for 18.5 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. In Princeville, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.Daylight
In Princeville, the average length of the day in May is 13h and 13min.On the first day of May in Princeville, sunrise is at 6:05 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:17 pm HST.
Sunshine
The average sunshine in May is 9.3h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 6 during May leads to these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Princeville?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
What time are sunrise and sunset in May in Princeville?
How long on average sun shines in May?
What are the months with the lowest UV index?
What is the UV index intensity in May?
Average temperature in May
Princeville, HI
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
- Average low temperature in May: 72.1°F
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure in May
Princeville, HI
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed in May
Princeville, HI
- Average wind speed in May: 10.5mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity in May
Princeville, HI
- Average humidity in May: 76%
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall in May
Princeville, HI
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days in May
Princeville, HI
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight in May /
Average sunshine in May
Princeville, HI
- Average daylight in May: 13h and 1min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in May
Princeville, HI
- Average sunshine days in May: 6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index in May
Princeville, 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
Princeville, HI
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility in May
Princeville, 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).
Princeville, Hawaii, USA
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