Climate and monthly weather forecastRion, SC
Climate and monthly weather forecast
Weather in January
January, like December, in Rion, South Carolina, is a cool winter month, with an average temperature ranging between min 36.1°F (2.3°C) and max 51.4°F (10.8°C). January is the month when Rion sees the lowest average temperatures, with a high of 51.4°F (10.8°C) and a low of 36.1°F (2.3°C). Weather in January »Weather in February
The last month of the winter, February, is a moderate month in Rion, South Carolina, with an average temperature varying between 39.6°F (4.2°C) and 56.1°F (13.4°C). Rion's transition from January to February introduces an average high-temperature of a mild 56.1°F (13.4°C), marking an insignificant variation from the 51.4°F (10.8°C). Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Rion, South Carolina, with an average temperature ranging between max 63.1°F (17.3°C) and min 45.1°F (7.3°C). The start of March signals a slight increase in the average high-temperature, moving from a moderate 56.1°F (13.4°C) in February to a still refreshing 63.1°F (17.3°C). Weather in March »Weather in April
April is an agreeable spring month in Rion, South Carolina, with an average temperature fluctuating between 53.8°F (12.1°C) and 73°F (22.8°C). Rion's transition into April brings a rise in the average high-temperature, moving from an enjoyable 63.1°F (17.3°C) in March to a pleasant 73°F (22.8°C). Weather in April »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). 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). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Rion, South Carolina, with an average temperature ranging between min 68.7°F (20.4°C) and max 88.2°F (31.2°C). The beginning of June signals a minor rise in the average high-temperature, moving from a warm 80.2°F (26.8°C) in May to a hot 88.2°F (31.2°C). Weather in June »Weather in July
July, the same as June, in Rion, South Carolina, is another hot summer month, with an average temperature varying between 71.8°F (22.1°C) and 91.6°F (33.1°C). July is the warmest month, exhibiting average temperatures of 91.6°F (33.1°C) at the peak and 71.8°F (22.1°C) at the base. July's mean heat index is computed to be an extremely hot 111.2°F (44°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Rion, South Carolina, with temperature in the range of an average high of 89.6°F (32°C) and an average low of 70.7°F (21.5°C). The commencement of August introduces an average high-temperature of a still hot 89.6°F (32°C), closely mirroring the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Rion, is also a moderately hot month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 65.3°F (18.5°C). Rion experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a hot 89.6°F (32°C) in August to a moderately hot 84°F (28.9°C). Weather in September »Weather in October
October, the same as September, in Rion, South Carolina, is an agreeable autumn month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 54.7°F (12.6°C). In October, the average high-temperature decreases from a moderately hot 84°F (28.9°C) in September to a pleasant 73°F (22.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Rion, South Carolina, with an average temperature varying between 44.6°F (7°C) and 61.7°F (16.5°C). November's arrival corresponds with a decrease in average high-temperatures, from October's pleasant 73°F (22.8°C) to a refreshing 61.7°F (16.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Rion, South Carolina, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 40.6°F (4.8°C). The arrival of December is marked by a minor reduction in average high-temperature, sliding from a refreshing 61.7°F (16.5°C) in November to a cool 54.9°F (12.7°C). Weather in December »Updated: Jul 3, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Rion, January is the month with the lowest recorded average temperatures, measuring a high of 51.4°F (10.8°C) and a low of 36.1°F (2.3°C).
In Rion, during the entire year, the rain falls for 160.7 days and collects up to 32.13" (816mm) of precipitation.
January through March, November and December are months with snowfall.
Throughout the year, there are 2.5 snowfall days, and 1.34" (34mm) of snow is accumulated.
With an average maximum UV index of 2, January is the month with the lowest UV index in Rion.
The month with the most snowfall is February, when snow falls for 1.2 days and typically aggregates up to 0.83" (21mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April through October are months without snowfall.
The months with the highest humidity are May and December, with an average relative humidity of 75%.
June, July and November, with an average relative humidity of 71%, are the least humid months.
With an average of 14h and 24min of daylight, June has the longest days of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 7.
July temperatures tend to peak at an average high of 91.6°F (33.1°C) and dip to a low of 71.8°F (22.1°C).
With an average of 10.9h of sunshine, July has the most sunshine of the year.
September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.85" (47mm) of precipitation.
The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 3.5" (89mm) of precipitation.
With an average of 9h and 54min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 5.4h of sunshine.
Average temperature
Rion, SC
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).
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
Rion, SC
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"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
Rion, SC
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.6mph - Average wind speed in December:
7mph
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
Rion, SC
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
Rion, SC
- Average rainfall in January:
2.4" - Average rainfall in February:
2.56" - Average rainfall in March:
2.56" - Average rainfall in April:
2.95" - Average rainfall in May:
2.95" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.83" - Average rainfall in August:
3.39" - Average rainfall in September:
1.85" - Average rainfall in October:
2.17" - Average rainfall in November:
2.36" - Average rainfall in December:
3.5"
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
Rion, SC
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.2 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
9 days - Average rainfall days in November:
9 days - Average rainfall days in December:
12 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
Rion, SC
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
Rion, SC
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.1 days - Average snowfall days in December:
0.2 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 / Average sunshine
Rion, SC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
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 January:
5h and 36min - Average sunshine in February:
6h and 30min - Average sunshine in March:
7h and 18min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 48min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 36min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 24min
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
Rion, SC
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
17.4 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
Rion, SC
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
Rion, SC
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
Rion, SC
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).
