May weather forecast
Riverland, SC

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Weather in May

The last month of the spring, May, is a warm month in Riverland, South Carolina, with temperature in the range of an average low of 69.3°F (20.7°C) and an average high of 78.1°F (25.6°C).

Temperature

Entering May, Riverland notices a subtle temperature elevation, with the average high-temperature advancing from April's pleasant 71.4°F (21.9°C) to a moderately hot 78.1°F (25.6°C). Riverland, in May, registers an average low temperature of 69.3°F (20.7°C), showing a minute reduction from daily highs.

Humidity

In Riverland, the average relative humidity in May is 76%.

Rainfall

In May, the rain falls for 9.9 days. Throughout May, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 113.3 rainfall days, and 10" (254mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall in Riverland.

Daylight

In May, the average length of the day in Riverland is 13h and 51min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:22 pm EDT.

Sunshine

In May, the average sunshine is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average May temperature in Riverland?

The average high-temperature and low-temperature during May are 78.1°F (25.6°C) and 69.3°F (20.7°C) respectively.

What is the average humidity in May in Riverland?

The average relative humidity in May in Riverland is 76%.

How much does it rain in Riverland in May?

In Riverland, South Carolina, in May, it is raining for 9.9 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Riverland?

February through November are months without snowfall in Riverland.

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

In Riverland, the average day length in May is 13h and 51min.

When is the sunrise / sunset in May in Riverland?

On the first day of May in Riverland, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Riverland have in May?

In Riverland, South Carolina, the average sunshine duration in May is 10.5h.

What are the months with the highest UV index in Riverland?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Riverland.

What is the UV index intensity in May in Riverland?

In Riverland, South Carolina, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Riverland, SC

Average temperature in May - Riverland, SC
  • Average high temperature in May: 78.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in May: 69.3°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in May
Riverland, SC

Average pressure in May - Riverland, SC
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in May
Riverland, SC

Average wind speed in May - Riverland, SC
  • Average wind speed in May: 9.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

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Average humidity in May
Riverland, SC

Average humidity in May - Riverland, SC
  • Average humidity in May: 76%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).

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Average rainfall in May
Riverland, SC

Average rainfall in May - Riverland, SC
  • Average rainfall in May: 0.47"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in May
Riverland, SC

Average rainfall days in May - Riverland, SC
  • Average rainfall days in May: 9.9 days

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).

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Average snowfall days in May
Riverland, SC

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

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in May
Riverland, SC

Average sunshine days in May - Riverland, SC
  • Average sunshine days in May: 18.4 days

The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).

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Average UV index in May
Riverland, SC

Average UV index in May - Riverland, SC
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in May
Riverland, SC

Average cloud cover in May - Riverland, SC
  • Average cloud cover in May: 27

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).

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Average visibility in May
Riverland, SC

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

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