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 snowfall 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
Lanai City registers an average high-temperature of a still warm 77.7°F (25.4°C) at the commencement of May, closely related to the preceding month. Lanai City consistently logs a low temperature averaging a still moderately hot 74.3°F (23.5°C) during May, a modest drop from daytime temperatures.Humidity
The average relative humidity in May in Lanai City is 74%.Rainfall
In Lanai City, in May, during 8.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 98.9 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
January through August, October through December are months without snowfall.Ocean temperature
In May, the average ocean temperature 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
The average length of the day in May is 13h and 8min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:52 pm. On the last day of May, sunrise is at 5:46 am and sunset at 7:05 pm HST.
Sunshine
In May, the average sunshine is 11.4h.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, a regular UV index of 7 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! The reflection of water and sand augments UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lanai City in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the water temperature in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May in Lanai City?
Average temperature in May
Lanai City, HI
- Average high temperature in May: 77.7°F
The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).
- Average low temperature in May: 74.3°F
The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).
Average pressure in May
Lanai City, HI
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The month with the lowest atmospheric pressure is October (29.96"Hg).
Average wind speed in May
Lanai City, HI
- Average wind speed in May: 9.3mph
The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).
Average humidity in May
Lanai City, HI
- Average humidity in May: 74%
The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in May
Lanai City, HI
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Lanai City, HI
- Average rainfall days in May: 8.4 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days in May
Lanai City, 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 sea temperature in May
Lanai City, HI
- Average sea temperature in May: 77°F
The best months for swimming (with the highest average sea temperature) are 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
Lanai City, 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: 11h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in May
Lanai City, HI
- Average sunshine days in May: 19.8 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in May
Lanai City, HI
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover in May
Lanai City, HI
- Average cloud cover in May: 23
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in May
Lanai City, 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).
Lanai City, Hawaii, USA
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