Climate and monthly weather forecast
Seneca, SC

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Weather in January

January, like December, is another chilly winter month in Seneca, South Carolina, with an average temperature ranging between min 33.4°F (0.8°C) and max 49.6°F (9.8°C). January proves to be the coldest month, recording an average maximum temperature of 49.6°F (9.8°C) and a minimum temperature of 33.4°F (0.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a cool month in Seneca, South Carolina, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 53.8°F (12.1°C). February brings a marginal elevation to a cool 53.8°F (12.1°C) from January's 49.6°F (9.8°C) in Seneca's average high-temperatures. Weather in February »

Weather in March

March, the first month of the spring in Seneca, is a refreshing month, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 61.2°F (16.2°C). March sees a marginal temperature increase, moving from a fresh 53.8°F (12.1°C) in February to a comfortable 61.2°F (16.2°C). Weather in March »

Weather in April

April is an agreeable spring month in Seneca, South Carolina, with an average temperature ranging between max 70.7°F (21.5°C) and min 50.2°F (10.1°C). The shift into April brings an increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in March to a pleasant 70.7°F (21.5°C). Weather in April »

Weather in May

May, the last month of the spring in Seneca, is a moderately hot month, with an average temperature varying between 78.8°F (26°C) and 58.1°F (14.5°C). The shift from April to May introduces a subtle increase in the average high-temperature, moving from a pleasant 70.7°F (21.5°C) to a warm 78.8°F (26°C). Weather in May »

Weather in June

June, the first month of the summer in Seneca, is a tropical month, with an average temperature fluctuating between 64.9°F (18.3°C) and 86.5°F (30.3°C). June marks a minor ascent in the average high-temperature, adjusting from May's warm 78.8°F (26°C) to a tropical 86.5°F (30.3°C). Weather in June »

Weather in July

July, the same as June, in Seneca, South Carolina, is a hot summer month, with an average temperature fluctuating between 68°F (20°C) and 89.6°F (32°C). Seneca's warmest month, July, registers temperatures that range from a high of 89.6°F (32°C) to a low of 68°F (20°C). Throughout July, the heat index is computed to be a blisteringly hot 104°F (40°C). Weather in July »

Weather in August

August, the last month of the summer in Seneca, is another hot month, with an average temperature ranging between min 67.3°F (19.6°C) and max 88°F (31.1°C). Seneca notes an average high-temperature of a still hot 88°F (31.1°C) in August, hardly diverging from July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Seneca, South Carolina, with an average temperature varying between 82.8°F (28.2°C) and 62.1°F (16.7°C). Seneca starts September with an average high-temperature of a moderately hot 82.8°F (28.2°C), a minor shift from August's 88°F (31.1°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Seneca, South Carolina, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 51.6°F (10.9°C). The arrival of October signals a shift in temperature, down from a warm 82.8°F (28.2°C) in September to a pleasant 71.6°F (22°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Seneca, South Carolina, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 59.9°F (15.5°C). The arrival of November corresponds with a shift in temperature, down from an agreeable 71.6°F (22°C) in October to a mild 59.9°F (15.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Seneca, South Carolina, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 38.3°F (3.5°C). Seneca's progression into December involves a minor drop in the average high-temperature, slightly receding from a moderate 59.9°F (15.5°C) in November to a fresh 52.7°F (11.5°C). Weather in December »
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Frequently asked questions

What month is the coldest in Seneca?

January is the month that records the lowest temperatures in Seneca, South Carolina, with averages ranging from a high of 49.6°F (9.8°C) to a low of 33.4°F (0.8°C).

How many days does it rain in Seneca?

In Seneca, South Carolina, during the entire year, the rain falls for 164.1 days and collects up to 37.09" (942mm) of precipitation.

When does it snow in Seneca?

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

How much does it snow in Seneca?

Throughout the year, in Seneca, there are 3.6 snowfall days, and 4.25" (108mm) of snow is accumulated.

What is the month with the lowest UV index in Seneca?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Seneca?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Seneca, 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 Seneca?

In Seneca, South Carolina, snow does not fall in April through October.

When is the highest UV index in Seneca?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Seneca.

When are the longest days in Seneca?

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

What is the warmest month in Seneca?

The average temperatures in Seneca reach their apex in July, averaging 89.6°F (32°C) at the high end and 68°F (20°C) at the low end.

What is the least humid month in Seneca?

July is the least humid month in Seneca, with an average relative humidity of 70%.

What month has the most sunshine in Seneca?

With an average of 11.1h of sunshine, July has the most sunshine of the year in Seneca, South Carolina.

What is the driest month in Seneca?

September is the month with the least rainfall in Seneca, South Carolina. Rain falls for 12.5 days and accumulates 1.73" (44mm) of precipitation.

What is the most humid month in Seneca?

December is the most humid month in Seneca, South Carolina, with an average relative humidity of 77%.

What is the wettest month in Seneca?

The month with the most rainfall is December, when the rain falls for 11.8 days and typically aggregates up to 4.21" (107mm) of precipitation.

When does it snow the most in Seneca?

December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 2.05" (52mm) of snow.

What is the month with the shortest days in Seneca?

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

What is the month with the least sunshine in Seneca?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

Average pressure
Seneca, SC

Average pressure - Seneca, SC

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed
Seneca, SC

Average wind speed - Seneca, SC

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average rainfall
Seneca, SC

Average rainfall - Seneca, SC

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days
Seneca, SC

Average rainfall days - Seneca, SC

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall
Seneca, SC

Average snowfall - Seneca, SC

The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Seneca, SC

Average snowfall days - Seneca, SC

The month with the highest number of snowfall days is January (1.4 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
Seneca, SC

Average daylight / Average sunshine - Seneca, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days
Seneca, SC

Average sunshine days - Seneca, SC

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index
Seneca, SC

Average UV index - Seneca, SC

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average visibility
Seneca, SC

Average visibility - Seneca, 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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Seneca, South Carolina, USA

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