Climate and monthly weather forecast
Rion, SC

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Weather in January

January, like December, in Rion, South Carolina, is another fresh winter month, with an average temperature varying between 51.4°F (10.8°C) and 36.1°F (2.3°C). Rion's January weather reaches an average high of 51.4°F (10.8°C) and an average low of 36.1°F (2.3°C), making it the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Rion, is a moderate month, with an average temperature ranging between max 56.1°F (13.4°C) and min 39.6°F (4.2°C). February brings a marginal elevation to a moderate 56.1°F (13.4°C) from January's 51.4°F (10.8°C) in Rion's average high-temperatures. Weather in February »

Weather in March

March, the first month of the spring in Rion, is an enjoyable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 63.1°F (17.3°C). A gentle upsurge in temperatures occurs as February gives way to March, with average highs shifting from a mild 56.1°F (13.4°C) to a still refreshing 63.1°F (17.3°C). Weather in March »

Weather in April

April in Rion, South Carolina, is an agreeable spring month, with an average temperature ranging between min 53.8°F (12.1°C) and max 73°F (22.8°C). Rion's weather in April presents a rise in the average high-temperature, moving from a comfortable 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 warm month in Rion, South Carolina, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 80.2°F (26.8°C). The onset of May introduces a subtle rise in the average high-temperature, nudging from a pleasant 73°F (22.8°C) in April to a warm 80.2°F (26.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Rion, South Carolina, with an average temperature fluctuating between 88.2°F (31.2°C) and 68.7°F (20.4°C). With the onset of June, Rion's average high-temperature sees a modest rise, moving from May's moderately hot 80.2°F (26.8°C) 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 a hot summer month, with an average temperature varying between 91.6°F (33.1°C) and 71.8°F (22.1°C). With average high and low temperatures of 91.6°F (33.1°C) and 71.8°F (22.1°C) respectively, July is Rion's warmest month. The heat index value for July is computed to be a blistering 111.2°F (44°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Rion, South Carolina, with an average temperature ranging between max 89.6°F (32°C) and min 70.7°F (21.5°C). Rion's shift into August is marked by a subtle change to a still hot 89.6°F (32°C) from July's 91.6°F (33.1°C) in temperature. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Rion, South Carolina, with an average temperature ranging between max 84°F (28.9°C) and min 65.3°F (18.5°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 89.6°F (32°C) to a warm 84°F (28.9°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Rion, South Carolina, 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). October ushers in a slight temperature change, with average high-temperatures reducing from September's warm 84°F (28.9°C) to an agreeable 73°F (22.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Rion, is another comfortable month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 44.6°F (7°C). With November's onset, the weather shows a temperature decrease, transitioning from a pleasant 73°F (22.8°C) in October to a comfortable 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 an average temperature ranging between max 54.9°F (12.7°C) and min 40.6°F (4.8°C). The advent of December brings a subtle shift in temperature, with the average high moving from a refreshing 61.7°F (16.5°C) in November to a fresh 54.9°F (12.7°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Rion?

January is the month that records the lowest temperatures in Rion, with averages ranging from a high of 51.4°F (10.8°C) to a low of 36.1°F (2.3°C).

How many days does it rain in Rion?

Throughout the year, there are 160.7 rainfall days, and 32.13" (816mm) of precipitation is accumulated.

When does it snow in Rion?

January through March, November and December are months with snowfall.

How much does it snow in Rion?

In Rion, South Carolina, during the entire year, snow falls for 2.5 days and aggregates up to 1.34" (34mm) of snow.

When is the lowest UV index in Rion?

With an average maximum UV index of 2, January is the month with the lowest UV index in Rion.

When does it snow the most in Rion?

The month with the most snowfall in Rion is February, when snow falls for 1.2 days and typically aggregates up to 0.83" (21mm) of snow.

When is Daylight Saving Time (DST) in Rion?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rion, South Carolina, 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.

When it does not snow in Rion?

April through October are months without snowfall.

What are the most humid months in Rion?

May and December, with an average relative humidity of 75%, are most humid months in Rion, South Carolina.

What is the least humid month in Rion?

June, July and November, with an average relative humidity of 71%, are the least humid months in Rion, South Carolina.

When are the longest days in Rion?

June has the longest days of the year in Rion, South Carolina, with an average of 14h and 24min of daylight.

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

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What is the hottest time of year in Rion?

In Rion, the average highest temperatures are observed in July, with a high of 91.6°F (33.1°C) and a low of 71.8°F (22.1°C).

What month has the most sunshine in Rion?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the driest month in Rion?

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.85" (47mm) of precipitation.

What is the wettest month in Rion?

The month with the most rainfall in Rion is December, when the rain falls for 12 days and typically aggregates up to 3.5" (89mm) of precipitation.

What is the month with the shortest days in Rion?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the month with the least sunshine in Rion?

December has the least sunshine of the year in Rion, with an average of 5.4h of sunshine.

Average pressure
Rion, SC

Average pressure - Rion, SC

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
Rion, SC

Average wind speed - Rion, SC

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).

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Average humidity
Rion, SC

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%).

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Average rainfall
Rion, SC

Average rainfall - Rion, SC

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

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Average rainfall days
Rion, SC

Average rainfall days - Rion, SC

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).

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Average snowfall
Rion, SC

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").

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Average snowfall days
Rion, SC

Average snowfall days - Rion, SC

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).

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Average daylight / Average sunshine
Rion, SC

Average daylight / Average sunshine - Rion, SC

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).

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).

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Average sunshine days
Rion, SC

Average sunshine days - Rion, SC

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

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Average visibility
Rion, SC

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).

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Rion, South Carolina, USA

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