May weather forecast
East Sumter, SC

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Weather in May

The last month of the spring, May, is also a moderately hot month in East Sumter, South Carolina, with an average temperature varying between 62.8°F (17.1°C) and 80.2°F (26.8°C).

Temperature

A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from 73.4°F (23°C) in April to a still warm 80.2°F (26.8°C). East Sumter observes an average nighttime low-temperature of 62.8°F (17.1°C) during the month of May.

Humidity

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

Rainfall

In East Sumter, South Carolina, in May, during 15.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 161.8 rainfall days, and 33.35" (847mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

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

UV index

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 vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in May translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the average May temperature in East Sumter?

The high-temperature, in May, in East Sumter, is 80.2°F (26.8°C), while the low-temperature averages to 62.8°F (17.1°C).

What is the most humid month in East Sumter?

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

What is the average humidity in May in East Sumter?

In May, the average relative humidity is 76%.

How many days does it rain in May in East Sumter?

In East Sumter, South Carolina, during May, the rain falls for 15.6 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow in East Sumter?

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

How many hours of daylight does East Sumter have in May?

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

When are sunrise and sunset in May in East Sumter?

In May, on the first day of the month, sunrise is at 6:31 am and sunset at 8:05 pm. On the last day of the month, in East Sumter, South Carolina, sunrise is at 6:11 am and sunset at 8:26 pm EDT.

How long on average sun shines in May in East Sumter?

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

What is the UV index intensity in May in East Sumter?

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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East Sumter, South Carolina, USA

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