May weather forecastFlorence, SC
May
Weather in May
Stepping into May, Florence leans more heavily into spring, distanced from the cooler temperatures of April. Enjoying extended daylight hours fused into the mix, the weather favors longer outdoor experiences. This period also heralds increased rainfall, a steep jump from that observed in the previous month. The rise in temperature generates a positive response in humidity levels reflecting a magnified tropical feel. Peak sunshine hours are recorded in May, reaching up to 9.9 hours of sunlight.Temperature
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 72.5°F (22.5°C) in April to a warm 79.7°F (26.5°C). Florence experiences an average low-temperature reading of 62.6°F (17°C) throughout May.Humidity
May is the most humid month, with an average relative humidity of 78%.Rainfall
In May, in Florence, the rain falls for 17 days. Throughout May, 3.7" (94mm) of precipitation is accumulated. In Florence, during the entire year, the rain falls for 168.6 days and collects up to 33.82" (859mm) of precipitation.Snowfall
April through October are months without snowfall in Florence.Daylight
In May, the average length of the day in Florence is 13h and 58min.On the first day of May, sunrise is at 6:28 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:25 pm EDT.
Sunshine
The average sunshine in May is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Florence, SC
- Average high temperature in May: 79.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in May: 62.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in May
Florence, SC
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Florence, SC
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Florence, SC
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in May
Florence, SC
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in May
Florence, SC
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in May
Florence, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Florence, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Florence, 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 54min
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
Florence, SC
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in May
Florence, 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
Florence, SC
- Average cloud cover in May: 36
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in May
Florence, 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).
