May weather forecast
Rion, SC

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Weather in May

The last month of the spring, May, is a moderately hot month in Rion, South Carolina, with an average temperature varying between 80.2°F (26.8°C) and 61.9°F (16.6°C).

Temperature

Rion's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 73°F (22.8°C) in April to a moderately hot 80.2°F (26.8°C). In May, Rion reports a consistent average low-temperature of 61.9°F (16.6°C) during the nights.

Humidity

May and December, with an average relative humidity of 75%, are the most humid months.

Rainfall

In Rion, in May, it is raining for 15.8 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 160.7 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In May, the average length of the day is 13h and 58min.
On the first day of May, sunrise is at 6:33 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:31 pm EDT.

Sunshine

In Rion, the average sunshine in May is 9.8h.

UV index

In Rion, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 6 in May suggests the following recommendations:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What is the usual temperature for Rion in May?

The average high-temperature, in May, in Rion, is 80.2°F (26.8°C), while the average low-temperature is 61.9°F (16.6°C).

What are the most humid months in Rion?

The months with the highest humidity are May and December, with an average relative humidity of 75%.

What is the average humidity in May?

In Rion, the average relative humidity in May is 75%.

How many days does it rain in May?

In May, the rain falls for 15.8 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Rion have in May?

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

What time are sunrise and sunset in May in Rion?

In May, on the first day of the month, sunrise is at 6:33 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:31 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.8h.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes 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
Rion, SC

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

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in May: 61.9°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in May
Rion, SC

Average pressure in May - Rion, SC
  • Average pressure in May: 30.03"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
Rion, SC

Average wind speed in May - Rion, SC
  • Average wind speed in May: 6.5mph

The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
Rion, SC

Average humidity in May - Rion, SC
  • Average humidity in May: 75%

The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).

Average rainfall in May
Rion, SC

Average rainfall in May - Rion, SC
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
Rion, SC

Average rainfall days in May - Rion, SC
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).

Average snowfall in May
Rion, SC

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Rion, SC

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

The month with the highest number of snowfall days is February (1.2 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
Rion, SC

Average daylight in May / Average sunshine in May - Rion, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in May
Rion, SC

Average sunshine days in May - Rion, SC
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in May
Rion, SC

Average UV index in May - Rion, 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).

Average cloud cover in May
Rion, SC

Average cloud cover in May - Rion, SC
  • Average cloud cover in May: 35

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in May
Rion, SC

Average visibility in May - Rion, 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).

Rion, South Carolina, USA

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