October weather forecastDuncan, SC
October
Weather in October
October, like September, is an agreeable autumn month in Duncan, South Carolina, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 52°F (11.1°C).Temperature
With October's arrival, Duncan's weather changes as the average high-temperature falls from a warm 83.7°F (28.7°C) in September to a pleasant 72.1°F (22.3°C). Throughout October, the temperature in Duncan falls to an average low of 52°F (11.1°C).Humidity
In October, the average relative humidity in Duncan is 71%.Rainfall
In Duncan, in October, it is raining for 8.4 days, with typically 1.93" (49mm) of accumulated precipitation. In Duncan, during the entire year, the rain falls for 141 days and collects up to 28.5" (724mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Duncan, the average length of the day in October is 11h and 17min.On the first day of October, sunrise is at 7:23 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 6:35 pm EDT.
Sunshine
In October, the average sunshine in Duncan is 6.7h.UV index
In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Duncan, SC
- Average high temperature in October: 72.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in October: 52°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in October
Duncan, SC
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in October
Duncan, SC
- Average wind speed in October: 5.8mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in October
Duncan, SC
- Average humidity in October: 71%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (67%).
Average rainfall in October
Duncan, SC
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in October
Duncan, SC
- Average rainfall days in October: 8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in October
Duncan, SC
- Average snowfall in October: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Duncan, SC
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Duncan, SC
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in October: 6h and 42min
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 18min).
Average sunshine days in October
Duncan, SC
- Average sunshine days in October: 22.3 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in October
Duncan, SC
- Average UV index in October: 4
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).
Average cloud cover in October
Duncan, SC
- Average cloud cover in October: 30
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in October
Duncan, 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).





