May weather forecastBlythewood, SC
May
Weather in May
With the advent of May, Blythewood weather moves closer to summer, showing a significant jump in temperatures compared to April. This month's temperatures range from a lower limit of 61.9°F (16.6°C) to an upper limit of 80.2°F (26.8°C). The warming trend intensifies, making May the time for sun-soaked outdoor activities across the city. The longer daylight hours create more opportunities for exploring the city’s outdoors while its beauty reaches its peak thanks to warmer temperatures. Despite the occasional rain showers, the overall vibe remains upbeat and energetic during this month.Temperature
With the onset of May, Blythewood experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 73°F (22.8°C) in April to a moderately hot 80.2°F (26.8°C). Nighttime temperatures hover around an average low of 61.9°F (16.6°C) in May.Humidity
May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
In Blythewood, during May, the rain falls for 15.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Blythewood, during the entire year, the rain falls for 160.7 days and collects up to 32.13" (816mm) of precipitation.Snowfall
In Blythewood, snow does not fall in April through October.Daylight
In Blythewood, the average length of the day in May is 13h and 58min.On the first day of May, sunrise is at 6:33 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:30 pm EDT.
Sunshine
In Blythewood, South Carolina, the average sunshine in May is 9.8h.UV index
In Blythewood, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Blythewood, SC
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 61.9°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in May
Blythewood, SC
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Blythewood, SC
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Blythewood, SC
- Average humidity in May: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).
Average rainfall in May
Blythewood, SC
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Blythewood, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in May
Blythewood, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Blythewood, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 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
Blythewood, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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
Blythewood, SC
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Blythewood, SC
- 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 January (UV index 2).
Average cloud cover in May
Blythewood, SC
- Average cloud cover in May: 35
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Blythewood, SC
- 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).





