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 in May
- Average snowfall 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
As April transitions into May, Mountain Island notices a gentle rise in the average high-temperature, transitioning from a pleasant 70.3°F (21.3°C) to a moderately hot 79.2°F (26.2°C). Mountain Island observes an average nighttime temperature of 59°F (15°C) during May.Humidity
The average relative humidity in May in Mountain Island is 75%.Rainfall
In Mountain Island, in May, during 16.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Mountain Island, North Carolina, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.Snowfall
In Mountain Island, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 2min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:10 am and sunset at 8:32 pm EDT.
Sunshine
The average sunshine in May is 9.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 in May translates into these instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Mountain Island have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Mountain Island, NC
- Average high temperature in May: 79.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in May
Mountain Island, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Mountain Island, NC
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Mountain Island, NC
- Average humidity in May: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Mountain Island, NC
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in May
Mountain Island, NC
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Mountain Island, NC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Mountain Island, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Mountain Island, NC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Mountain Island, NC
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in May
Mountain Island, NC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Mountain Island, NC
- Average cloud cover in May: 38
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in May
Mountain Island, NC
- 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).
Mountain Island, North Carolina, USA
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