October weather forecast
Summerville, SC

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Weather in October

October welcomes autumn in Summerville with a noticeable drop in temperatures - the maximum average is now 76.6°F (24.8°C). Decreased rainfall, averaging 0.55" (14mm), and lower relative humidity levels characterize this month. Rendered in hues of gold and orange, the town offers picturesque scenery for residents and tourists alike. Despite shorter days and cooler evenings, Summerville holds onto longer hours of sunshine, providing ample daylight for outdoor activities.

Temperature

With the onset of October, Summerville's average high-temperature slightly adjusts, moderately receding from September's 85.5°F (29.7°C) to a still warm 76.6°F (24.8°C). In Summerville, in October, the average low-temperature is a refreshing 59°F (15°C).

Humidity

In Summerville, the average relative humidity in October is 75%.

Rainfall

In Summerville, during October, the rain falls for 6.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Summerville, during the entire year, the rain falls for 120.6 days and collects up to 11.18" (284mm) of precipitation.

Snowfall

March through December are months without snowfall in Summerville.

Daylight

In Summerville, South Carolina, the average length of the day in October is 11h and 21min.
On the first day of the month, sunrise is at 7:15 am and sunset at 7:04 pm. On the last day of October, in Summerville, South Carolina, sunrise is at 7:38 am and sunset at 6:30 pm EDT.

Sunshine

In October, the average sunshine is 6.6h.

UV index

In Summerville, South Carolina, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 5 in October leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the usual temperature for Summerville in October?

Summerville in October has an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 59°F (15°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 96.8°F (36°C).

What is the average humidity in October in Summerville?

In Summerville, South Carolina, the average relative humidity in October is 75%.

How much does it rain in Summerville in October?

In October, in Summerville, the rain falls for 6.3 days. Throughout October, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in Summerville?

March through December are months without snowfall in Summerville.

What is the average length of the day in October in Summerville?

In Summerville, the average day length in October is 11h and 21min.

What time are sunrise and sunset in October in Summerville?

In October, on the first day of the month, sunrise is at 7:15 am and sunset at 7:04 pm. On the last day of the month, in Summerville, sunrise is at 7:38 am and sunset at 6:30 pm EDT.

How long on average sun shines in October in Summerville?

In October, the average sunshine duration in Summerville, South Carolina, is 6.6h.

How high is the UV index in October in Summerville?

The average daily maximum UV index in October in Summerville is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 October
Summerville, SC

Average temperature in October - Summerville, SC
  • Average high temperature in October: 76.6°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in October: 59°F

The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

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Average pressure in October
Summerville, SC

Average pressure in October - Summerville, SC
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in October
Summerville, SC

Average wind speed in October - Summerville, SC
  • Average wind speed in October: 5.8mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in October
Summerville, SC

Average humidity in October - Summerville, SC
  • Average humidity in October: 75%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (72%).

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Average rainfall in October
Summerville, SC

Average rainfall in October - Summerville, SC
  • Average rainfall in October: 0.83"

The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is January (0.28").

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Average rainfall days in October
Summerville, SC

Average rainfall days in October - Summerville, SC
  • Average rainfall days in October: 6.3 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in October
Summerville, SC

Average snowfall in October - Summerville, SC
  • Average snowfall in October: 0"

The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in October
Summerville, SC

Average snowfall days in October - Summerville, SC
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in October /
Average sunshine in October
Summerville, SC

Average daylight in October / Average sunshine in October - Summerville, SC
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in October: 6h and 4min

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).

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Average sunshine days in October
Summerville, SC

Average sunshine days in October - Summerville, SC
  • Average sunshine days in October: 22.5 days

The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is August (7.4 days).

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Average UV index in October
Summerville, SC

Average UV index in October - Summerville, SC
  • Average UV index in October: 5

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in October
Summerville, SC

Average cloud cover in October - Summerville, SC
  • Average cloud cover in October: 29

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).

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Average visibility in October
Summerville, SC

Average visibility in October - Summerville, SC
  • Average visibility in October: 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).

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Summerville, South Carolina, USA

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