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
Simpsonville's weather in May presents a minor rise in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in April to a moderately hot 79.3°F (26.3°C). Nighttime temperature lowers to an average of 58.6°F (14.8°C) in May.Humidity
In Simpsonville, the average relative humidity in May is 75%.Rainfall
In Simpsonville, during May, the rain falls for 15.8 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, in Simpsonville, there are 163.9 rainfall days, and 35.51" (902mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Simpsonville, South Carolina, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:14 pm. On the last day of May, in Simpsonville, sunrise is at 6:16 am and sunset at 8:36 pm EDT.
Sunshine
The average sunshine in May in Simpsonville is 9.9h.UV index
The months with the highest UV index in Simpsonville are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 in May translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the temperature in May in Simpsonville?
What is the average humidity in May in Simpsonville?
How much does it rain in Simpsonville in May?
When it does not snow in Simpsonville?
What is the average length of the day in May in Simpsonville?
When are sunrise and sunset in May in Simpsonville?
How long on average sun shines in May in Simpsonville?
What is the month with the highest UV index in Simpsonville?
What is the UV index reading in May in Simpsonville?
Average temperature in May
Simpsonville, SC
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in May
Simpsonville, 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 (29.98"Hg).
Average wind speed in May
Simpsonville, SC
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in May
Simpsonville, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Simpsonville, SC
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Simpsonville, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in May
Simpsonville, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Simpsonville, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (1.4 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
Simpsonville, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Simpsonville, SC
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Simpsonville, SC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Simpsonville, SC
- Average cloud cover in May: 34
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Simpsonville, 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).
Simpsonville, South Carolina, USA
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