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
May's arrival brings a modest temperature shift, moving from a pleasant 70.5°F (21.4°C) in April to a moderately hot 78.8°F (26°C). Throughout May, the temperature tends to fall to a consistent average low of 58.3°F (14.6°C).Humidity
March and May, with an average relative humidity of 78%, are the most humid months in Charleston.Rainfall
May is the month with the most rainfall in Charleston. Rain falls for 13.3 days and accumulates 3.19" (81mm) of precipitation.Snowfall
April through November are months without snowfall in Charleston.Daylight
The average length of the day in May is 14h and 2min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:02 am and sunset at 8:25 pm CDT.
Sunshine
In Charleston, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index in Charleston is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Fend off overexposure. Sun protection is vital. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are May temperatures in Charleston?
What is the most humid month in Charleston?
What is the average humidity in May in Charleston?
What is the wettest month in Charleston?
How many days does it rain in May in Charleston?
When it does not snow in Charleston?
How many hours of daylight does Charleston have in May?
When are sunrise and sunset in May in Charleston?
How many hours of sunshine does Charleston have in May?
How high is the UV index in May in Charleston?
Average temperature in May
Charleston, AR
- Average high temperature in May: 78.8°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Charleston, AR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Charleston, AR
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Charleston, AR
- Average humidity in May: 78%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in May
Charleston, AR
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Charleston, AR
- Average rainfall days in May: 13.3 days
The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Charleston, AR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Charleston, AR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.6 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
Charleston, AR
- 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in May
Charleston, AR
- Average sunshine days in May: 16 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in May
Charleston, AR
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Charleston, AR
- Average cloud cover in May: 38
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Charleston, AR
- 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).
Charleston, Arkansas, USA
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