May weather forecast
Florence, SC

The red bridge in the Snow Winter Forest area, in Florence, South Carolina
The red bridge in the Snow Winter Forest area, in Florence, South Carolina

Weather in May

The last month of the spring, May, is a moderately hot month in Florence, South Carolina, with an average temperature varying between 62.6°F (17°C) and 79.7°F (26.5°C).

Temperature

In May, the average high-temperature slightly increases from an agreeable 72.5°F (22.5°C) in April to a moderately hot 79.7°F (26.5°C). In May, in Florence, the average low-temperature is 62.6°F (17°C).

Humidity

With an average relative humidity of 78%, May is the most humid month in Florence.

Rainfall

In May, in Florence, the rain falls for 17 days. Throughout May, 3.7" (94mm) of precipitation is accumulated. Throughout the year, there are 168.6 rainfall days, and 33.82" (859mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day in Florence, South Carolina, is 13h and 58min.
On the first day of May, sunrise is at 6:29 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

In Florence, the average sunshine in May is 9.9h.

UV index

In Florence, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the most humid month in Florence?

The most humid month is May, with an average relative humidity of 78%.

What is the average humidity in May in Florence?

In May, the average relative humidity in Florence is 78%.

How much does it rain in Florence in May?

In Florence, South Carolina, in May, during 17 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

When it does not snow in Florence?

In Florence, snow does not fall in April through October.

What is the average length of the day in May in Florence?

In Florence, the average day length in May is 13h and 58min.

When is the sunrise / sunset in May in Florence?

In May, on the first day of the month, sunrise is at 6:29 am and sunset at 8:03 pm. On the last day of the month, in Florence, South Carolina, sunrise is at 6:08 am and sunset at 8:25 pm EDT.

How many hours of sunshine does Florence have in May?

In Florence, South Carolina, the average sunshine duration in May is 9.9h.

How high is the UV index in May in Florence?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Florence, SC

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).

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Average pressure in May
Florence, SC

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).

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Average wind speed in May
Florence, SC

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).

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Average humidity in May
Florence, SC

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%).

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Average rainfall in May
Florence, SC

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").

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Average rainfall days in May
Florence, SC

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).

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Average snowfall in May
Florence, SC

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").

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Average snowfall days in May
Florence, SC

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).

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Average daylight in May /
Average sunshine in May
Florence, SC

Average daylight in May / Average sunshine in May - Florence, SC
  • Average daylight in May: 13h and 58min

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 55min).

  • 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).

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Average sunshine days in May
Florence, SC

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).

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Average UV index in May
Florence, SC

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).

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Average cloud cover in May
Florence, SC

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).

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Average visibility in May
Florence, SC

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).

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