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
Entering May, Lancaster notices a subtle temperature elevation, with the average high-temperature advancing from April's pleasant 71.6°F (22°C) to a moderately hot 79.9°F (26.6°C). May in Lancaster, South Carolina, is noted for a mean low-temperature of 61°F (16.1°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months in Lancaster.Rainfall
In Lancaster, in May, during 11.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 120.6 rainfall days, and 11.97" (304mm) of precipitation is accumulated.Snowfall
In Lancaster, snow does not fall in March through December.Daylight
In Lancaster, South Carolina, the average length of the day in May is 13h and 59min.On the first day of May in Lancaster, sunrise is at 6:31 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:30 pm EDT.
Sunshine
In Lancaster, South Carolina, the average sunshine in May is 9.9h.UV index
In Lancaster, South Carolina, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 in May translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in May in Lancaster?
What are the most humid months in Lancaster?
What is the average humidity in May in Lancaster?
How many days does it rain in May in Lancaster?
When it does not snow in Lancaster?
How many hours of daylight does Lancaster have in May?
When is the sunrise / sunset in May in Lancaster?
How many hours of sunshine does Lancaster have in May?
What is the UV index intensity in May in Lancaster?
Average temperature in May
Lancaster, SC
- Average high temperature in May: 79.9°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 (49.8°F).
- Average low temperature in May: 61°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in May
Lancaster, SC
- 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 (29.97"Hg).
Average wind speed in May
Lancaster, SC
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are February and April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Lancaster, 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
Lancaster, SC
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in May
Lancaster, SC
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (5.9 days).
Average snowfall in May
Lancaster, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Lancaster, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.5 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
Lancaster, 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 5min
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
Lancaster, SC
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in May
Lancaster, 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
Lancaster, SC
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Lancaster, 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).
Lancaster, South Carolina, USA
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