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 May begins, there is an increase in the average high-temperature, moving from an agreeable 69.1°F (20.6°C) in April to a moderately hot 78.1°F (25.6°C). The nighttime temperature dips to a refreshing 57.6°F (14.2°C) on average during May.Humidity
The months with the highest humidity are May and December, with an average relative humidity of 75%.Rainfall
In May, the rain falls for 17.2 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 154.8 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
In Lewisville, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 6min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:09 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:32 pm EDT.
Sunshine
In Lewisville, the average sunshine in May is 9.5h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Lewisville. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 6 in May leads to these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the most humid months?
What is the average humidity in May?
How much does it rain in Lewisville in May?
When it does not snow?
How many hours of daylight does Lewisville have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lewisville have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Lewisville, NC
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Lewisville, 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
Lewisville, 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 (4.3mph).
Average humidity in May
Lewisville, NC
- Average humidity in May: 75%
The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Lewisville, NC
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Lewisville, NC
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Lewisville, NC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Lewisville, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 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
Lewisville, NC
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Lewisville, NC
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Lewisville, 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, February and December (UV index 2).
Average cloud cover in May
Lewisville, NC
- Average cloud cover in May: 39
The months with the most cloud cover are February and March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in May
Lewisville, 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).
Lewisville, North Carolina, USA
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