May weather forecast
East Sumter, SC

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Weather in May

May, the last month of the spring in East Sumter, is another warm month, with an average temperature varying between 62.8°F (17.1°C) and 80.2°F (26.8°C).

Temperature

The shift from April to May introduces a subtle increase in the average high-temperature, moving from a moderately hot 73.4°F (23°C) to a still warm 80.2°F (26.8°C). East Sumter's nights in May experience an average temperature drop to an enjoyable 62.8°F (17.1°C).

Humidity

May is the most humid month, with an average relative humidity of 76%.

Rainfall

In May, the rain falls for 15.6 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. In East Sumter, during the entire year, the rain falls for 161.8 days and collects up to 33.35" (847mm) of precipitation.

Snowfall

In East Sumter, snow does not fall in April through October.

Daylight

The average length of the day in May is 13h and 56min.
On the first day of May, sunrise is at 6:31 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:26 pm EDT.

Sunshine

In East Sumter, the average sunshine in May is 9.7h.

UV index

In East Sumter, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature during May is 80.2°F (26.8°C) and the low-temperature is 62.8°F (17.1°C).

What is the most humid month?

The most humid month is May, with an average relative humidity of 76%.

What is the average humidity in May?

In May, the average relative humidity is 76%.

How much does it rain in May?

In East Sumter, in May, during 15.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

The average day length in May is 13h and 56min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:31 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:26 pm EDT.

How long on average sun shines in May?

In East Sumter, the average sunshine duration in May is 9.7h.

How high is the UV index in May?

In East Sumter, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
East Sumter, SC

Average temperature in May - East Sumter, SC
  • Average high temperature in May: 80.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in May: 62.8°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in May
East Sumter, SC

Average pressure in May - East Sumter, SC
  • Average pressure in May: 30.02"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in May
East Sumter, SC

Average wind speed in May - East Sumter, SC
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
East Sumter, SC

Average humidity in May - East Sumter, SC
  • Average humidity in May: 76%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).

Average rainfall in May
East Sumter, SC

Average rainfall in May - East Sumter, SC
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in May
East Sumter, SC

Average rainfall days in May - East Sumter, SC
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in May
East Sumter, SC

Average snowfall in May - East Sumter, SC
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
East Sumter, SC

Average snowfall days in May - East Sumter, SC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.6 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
East Sumter, SC

Average daylight in May / Average sunshine in May - East Sumter, SC
  • Average daylight in May: 13h and 5min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in May
East Sumter, SC

Average sunshine days in May - East Sumter, SC
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in May
East Sumter, SC

Average UV index in May - East Sumter, SC
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in May
East Sumter, SC

Average cloud cover in May - East Sumter, SC
  • Average cloud cover in May: 36

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in May
East Sumter, SC

Average visibility in May - East Sumter, 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).

East Sumter, South Carolina, USA

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