May weather forecast
Marion, SC

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Weather in May

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

Temperature

With the onset of May, the average high-temperature subtly transitions from a pleasant 72.1°F (22.3°C) in April to a moderately hot 79.7°F (26.5°C). Marion encounters an average low-temperature of 62.6°F (17°C) during May nights.

Humidity

May, August and September, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Marion, South Carolina, in May, it is raining for 17.9 days, with typically 3.9" (99mm) of accumulated precipitation. Throughout the year, in Marion, South Carolina, there are 171 rainfall days, and 34.29" (871mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In May, the average length of the day is 13h and 57min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:23 pm EDT.

Sunshine

In May, the average sunshine is 9.8h.

UV index

The average daily maximum UV index in May in Marion is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What are the temperatures in Marion in May?

May temperatures in Marion, South Carolina, vary between a high-temperature of 79.7°F (26.5°C) and a low-temperature of 62.6°F (17°C).

What is the most humid month in Marion?

The months with the highest humidity in Marion are May, August and September, with an average relative humidity of 78%.

What is the average humidity in May in Marion?

In May, the average relative humidity is 78%.

How many days does it rain in May in Marion?

In Marion, South Carolina, in May, it is raining for 17.9 days, with typically 3.9" (99mm) of accumulated precipitation.

When it does not snow in Marion?

In Marion, South Carolina, snow does not fall in April through November.

How many hours of daylight does Marion have in May?

In May, the average day length in Marion, South Carolina, is 13h and 57min.

When is the sunrise / sunset in May in Marion?

On the first day of May in Marion, sunrise is at 6:27 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Marion have in May?

In May, the average sunshine duration in Marion, South Carolina, is 9.8h.

How high is the UV index in May in Marion?

In Marion, South Carolina, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Marion, SC

Average temperature in May - Marion, SC
  • Average high temperature in May: 79.7°F

The warmest month (with the highest average high temperature) is July (89.4°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 (36.9°F).

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Average pressure in May
Marion, SC

Average pressure in May - Marion, 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
Marion, SC

Average wind speed in May - Marion, SC
  • Average wind speed in May: 7mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in May
Marion, SC

Average humidity in May - Marion, SC
  • Average humidity in May: 78%

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in May
Marion, SC

Average rainfall in May - Marion, SC
  • Average rainfall in May: 3.9"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in May
Marion, SC

Average rainfall days in May - Marion, SC
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (8.7 days).

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Average snowfall in May
Marion, SC

Average snowfall in May - Marion, SC
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Marion, SC

Average snowfall days in May - Marion, SC
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Marion, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in May
Marion, SC

Average sunshine days in May - Marion, SC
  • Average sunshine days in May: 11 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (8 days).

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Average UV index in May
Marion, SC

Average UV index in May - Marion, 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
Marion, SC

Average cloud cover in May - Marion, SC
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Marion, SC

Average visibility in May - Marion, 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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Marion, South Carolina, USA

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