Climate and monthly weather forecast
Chester, SC

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Weather in January

January, the same as December, is another fresh winter month in Chester, South Carolina, with an average temperature varying between 34.7°F (1.5°C) and 50.5°F (10.3°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 50.5°F (10.3°C) and a low of 34.7°F (1.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another cool month in Chester, South Carolina, with an average temperature fluctuating between 55°F (12.8°C) and 38.1°F (3.4°C). Chester signifies an average high-temperature of a still cool 55°F (12.8°C) in February, closely mirroring the 50.5°F (10.3°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Chester, South Carolina, with an average temperature fluctuating between 62.2°F (16.8°C) and 44.1°F (6.7°C). In Chester, the onset of March comes with a modest high-temperature shift, transitioning from February's fresh 55°F (12.8°C) to a comfortable 62.2°F (16.8°C). Weather in March »

Weather in April

April in Chester, South Carolina, is an agreeable spring month, with an average temperature fluctuating between 72.1°F (22.3°C) and 52.9°F (11.6°C). Chester's weather shows a temperature rise with the arrival of April, moving from a comfortable 62.2°F (16.8°C) in March to an agreeable 72.1°F (22.3°C). Weather in April »

Weather in May

May, the last month of the spring in Chester, is a warm month, with an average temperature fluctuating between 60.4°F (15.8°C) and 80.2°F (26.8°C). May brings a slight elevation in the average high-temperature, transitioning from April's agreeable 72.1°F (22.3°C) 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 Chester, South Carolina, with an average temperature ranging between min 67.6°F (19.8°C) and max 88.2°F (31.2°C). Chester experiences a minor temperature shift with the start of June, with average high-temperatures moving from a moderately hot 80.2°F (26.8°C) in May to a hot 88.2°F (31.2°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Chester, South Carolina, with an average temperature fluctuating between 91.8°F (33.2°C) and 70.7°F (21.5°C). July, with its high-temperature average of 91.8°F (33.2°C) and a low-temperature average of 70.7°F (21.5°C), is the warmest month. In July, the heat index is estimated at a blisteringly hot 111.2°F (44°C). Weather in July »

Weather in August

August, the last month of the summer in Chester, is also a hot month, with an average temperature ranging between max 89.6°F (32°C) and min 69.4°F (20.8°C). The advent of August sees the average high-temperature at a still hot 89.6°F (32°C), subtly shifted from July's 91.8°F (33.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Chester, South Carolina, with an average temperature ranging between min 65.1°F (18.4°C) and max 83.8°F (28.8°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 89.6°F (32°C) in August to a moderately hot 83.8°F (28.8°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Chester, South Carolina, with an average temperature varying between 53.6°F (12°C) and 72.7°F (22.6°C). During the transition into October, Chester observes a decrease in the average high-temperature, falling from a warm 83.8°F (28.8°C) in September to an agreeable 72.7°F (22.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Chester, South Carolina, with an average temperature fluctuating between 43.2°F (6.2°C) and 60.4°F (15.8°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a moderate 60.4°F (15.8°C) from an agreeable 72.7°F (22.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Chester, South Carolina, with an average temperature varying between 39.7°F (4.3°C) and 54.5°F (12.5°C). The arrival of December suggests a slight decrease in the average high-temperature, moving from a mild 60.4°F (15.8°C) in November to a cool 54.5°F (12.5°C). Weather in December »
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Chester, January is the month with the lowest recorded average temperatures, measuring a high of 50.5°F (10.3°C) and a low of 34.7°F (1.5°C).

How many days does it rain?

Throughout the year, there are 157.1 rainfall days, and 31.06" (789mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March and December.

How much does it snow in Chester?

Throughout the year, there are 2.1 snowfall days, and 1.81" (46mm) of snow is accumulated.

When is the lowest UV index?

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

When is Daylight Saving Time (DST) in Chester?

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.

When it does not snow?

April through November are months without snowfall.

When are the longest days in Chester?

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

What is the month with the highest UV index?

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?

Chester's warmest temperatures are experienced in July, with average high temperatures of 91.8°F (33.2°C) and lows of 70.7°F (21.5°C).

What is the least humid month?

With an average relative humidity of 70%, July is the least humid month.

What month has the most sunshine?

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

What is the rainiest month?

The month with the most rainfall in Chester is August, when the rain falls for 18.3 days and typically aggregates up to 3.35" (85mm) of precipitation.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

What is the most humid month?

The most humid month is December, with an average relative humidity of 76%.

When does it snow the most in Chester?

December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.67" (17mm) of snow.

What is the month with the shortest days?

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?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

Average temperature
Chester, SC

Average temperature - Chester, SC

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (50.5°F).

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure
Chester, SC

Average pressure - Chester, SC

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Chester, SC

Average wind speed - Chester, SC

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity
Chester, SC

Average humidity - Chester, SC

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall
Chester, SC

Average rainfall - Chester, SC

The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days
Chester, SC

Average rainfall days - Chester, SC

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).

Average snowfall
Chester, SC

Average snowfall - Chester, SC

The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Chester, SC

Average snowfall days - Chester, SC

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Chester, SC

Average daylight / Average sunshine - Chester, 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 30min).

Average sunshine days
Chester, SC

Average sunshine days - Chester, SC

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).

Average visibility
Chester, SC

Average visibility - Chester, 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).

Chester, South Carolina, USA

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