May weather forecastShelby, NC
May
Weather in May
The last month of the spring, May, is a warm month in Shelby, North Carolina, with an average temperature varying between 78.8°F (26°C) and 58.3°F (14.6°C).Temperature
May's arrival signals a subtle increase in average high-temperatures, moving from April's agreeable 70.3°F (21.3°C) to a moderately hot 78.8°F (26°C). An average nighttime temperature of 58.3°F (14.6°C) is noted during the month of May.Humidity
The months with the highest humidity are May and December, with an average relative humidity of 76%.Rainfall
In Shelby, in May, during 16.1 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Shelby, during the entire year, the rain falls for 163.2 days and collects up to 33.03" (839mm) of precipitation.Snowfall
In Shelby, 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 6:33 am and sunset at 8:12 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:35 pm EDT.
Sunshine
In May, the average sunshine is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In May, an average UV index of 6 transforms into the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Shelby, NC
- Average high temperature in May: 78.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in May
Shelby, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Shelby, NC
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Shelby, NC
- Average humidity in May: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Shelby, NC
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is December (3.46").
The driest months (with the least rainfall) are September and October (2.13").
Average rainfall days in May
Shelby, NC
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in May
Shelby, NC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Shelby, NC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 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
Shelby, 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 48min
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 24min).
Average sunshine days in May
Shelby, NC
- Average sunshine days in May: 12 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Shelby, 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
Shelby, NC
- Average cloud cover in May: 36
The months with the most cloud cover are February, March and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in May
Shelby, NC
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
