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
With the onset of May, West Union experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 70°F (21.1°C) in April to a moderately hot 78.4°F (25.8°C). The nighttime temperature, during May, averages of 57.2°F (14°C).Humidity
In West Union, the average relative humidity in May is 76%.Rainfall
In May, in West Union, the rain falls for 15.8 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in West Union.Daylight
In West Union, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:17 pm. On the last day of May, in West Union, South Carolina, sunrise is at 6:20 am and sunset at 8:39 pm EDT.
Sunshine
In West Union, the average sunshine in May is 10h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. 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: The maximum daily UV index of 6 during May translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in West Union?
What is the average humidity in May in West Union?
How much does it rain in West Union in May?
When it does not snow in West Union?
What is the average length of the day in May in West Union?
When are sunrise and sunset in May in West Union?
How long on average sun shines in May in West Union?
What is the month with the highest UV index in West Union?
How high is the UV index in May in West Union?
Average temperature in May
West Union, SC
- Average high temperature in May: 78.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in May: 57.2°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 (33.1°F).
Average pressure in May
West Union, SC
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
West Union, SC
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
West Union, SC
- Average humidity in May: 76%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in May
West Union, SC
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
West Union, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in May
West Union, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
West Union, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1 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
West Union, SC
- 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 54min).
- Average sunshine in May: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
West Union, SC
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
West Union, SC
- 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
West Union, SC
- Average cloud cover in May: 33
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in May
West Union, SC
- 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).
West Union, South Carolina, USA
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