Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
As September transitions into October, Charleston sees a drop in the average high-temperature, transitioning from a warm 81.9°F (27.7°C) to a pleasant 70.7°F (21.5°C). In October, Charleston reports a consistent average low-temperature of 49.5°F (9.7°C) during the nights.Humidity
The months with the lowest humidity in Charleston are June through November, with an average relative humidity of 75%.Rainfall
In Charleston, during October, the rain falls for 8.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Charleston, during the entire year, the rain falls for 148 days and collects up to 23.9" (607mm) of precipitation.Snowfall
In Charleston, snow does not fall in April through October.Daylight
In Charleston, the average length of the day in October is 11h and 17min.On the first day of October in Charleston, sunrise is at 7:34 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 6:45 pm EDT.
Sunshine
In October, the average sunshine in Charleston is 7.3h.UV index
In Charleston, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in October interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the usual temperature for Charleston in October?
What are the least humid months in Charleston?
What is the average humidity in October in Charleston?
How much does it rain in Charleston in October?
When it does not snow in Charleston?
Does it snow in Charleston in October?
How many hours of daylight does Charleston have in October?
What time are sunrise and sunset in October in Charleston?
How many hours of sunshine does Charleston have in October?
How high is the UV index in October in Charleston?
Average temperature in October
Charleston, TN
- Average high temperature in October: 70.7°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in October: 49.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in October
Charleston, TN
- Average pressure in October: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in October
Charleston, TN
- Average wind speed in October: 5.2mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in October
Charleston, TN
- Average humidity in October: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in October
Charleston, TN
- Average rainfall in October: 1.69"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in October
Charleston, TN
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in October
Charleston, TN
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Charleston, TN
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Charleston, TN
- Average daylight in October: 11h and 2min
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 48min).
- Average sunshine in October: 7h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in October
Charleston, TN
- Average sunshine days in October: 21.2 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in October
Charleston, TN
- 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, February and December (UV index 2).
Average cloud cover in October
Charleston, TN
- Average cloud cover in October: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in October
Charleston, TN
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
Charleston, Tennessee, USA
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