May weather forecastGreer, SC
May
Weather in May
May marks the beginning of warmer weather in Greer. Temperatures rise dramatically, with the average day high soaring to 79.2°F (26.2°C) and the night cooling down at 58.6°F (14.8°C). Coupled with the denser humidity, the escalating temperatures showcase May's pre-summer weather. The increase in bright and sunny days give a heads up to the summer awaiting. With the rain subsiding towards the end of May, the conditions set the stage for the imminent summer bustle in Greer.Temperature
With the start of May in Greer, South Carolina, the average high-temperature marginally shifts from April's pleasant 71.1°F (21.7°C) to a warm 79.2°F (26.2°C). Nightly temperatures drop to an average low of 58.6°F (14.8°C) in May.Humidity
In Greer, the average relative humidity in May is 75%.Rainfall
In Greer, in May, it is raining for 15 days, with typically 2.91" (74mm) of accumulated precipitation. In Greer, during the entire year, the rain falls for 150.2 days and collects up to 30.55" (776mm) of precipitation.Snowfall
April through October are months without snowfall in Greer.Daylight
In Greer, South Carolina, the average length of the day in May is 14h and 1min.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, sunrise is at 6:16 am and sunset at 8:37 pm EDT.
Sunshine
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 in Greer. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greer, SC
- Average high temperature in May: 79.2°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 (49.5°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in May
Greer, 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
Greer, SC
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Greer, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in May
Greer, SC
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in May
Greer, SC
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Greer, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Greer, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Greer, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Greer, SC
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Greer, 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
Greer, 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
Greer, 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).
