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
The transition into October involves a decrease in the average high-temperature, falling from 85.1°F (29.5°C) in September to a still warm 75.9°F (24.4°C). During the nights in October, Harleyville experiences a consistent average temperature of 57.6°F (14.2°C).Humidity
The average relative humidity in October is 75%.Rainfall
In October, the rain falls for 9 days. Throughout October, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Harleyville, there are 151.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
In Harleyville, snow does not fall in March through December.Daylight
The average length of the day in October in Harleyville is 11h and 20min.On the first day of October, sunrise is at 7:16 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:30 pm EDT.
Sunshine
In October, the average sunshine in Harleyville is 6.7h.UV index
In October, the average daily maximum UV index in Harleyville, South Carolina, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during October translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harleyville in October?
What is the average humidity in October in Harleyville?
How much does it rain in Harleyville in October?
When it does not snow in Harleyville?
How many hours of daylight does Harleyville have in October?
When are sunrise and sunset in October in Harleyville?
How long on average sun shines in October in Harleyville?
What is the UV index reading in October in Harleyville?
Average temperature in October
Harleyville, SC
- Average high temperature in October: 75.9°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 (55.2°F).
- Average low temperature in October: 57.6°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in October
Harleyville, 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).
Average wind speed in October
Harleyville, SC
- Average wind speed in October: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Harleyville, SC
- Average humidity in October: 75%
The months with the highest relative humidity are May, August, September and December (77%).
The month with the lowest relative humidity is January (72%).
Average rainfall in October
Harleyville, SC
- Average rainfall in October: 1.97"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in October
Harleyville, SC
- Average rainfall days in October: 9 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in October
Harleyville, SC
- Average snowfall in October: 0"
The months with the highest snowfall are January and February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in October
Harleyville, SC
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Harleyville, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in October
Harleyville, SC
- Average sunshine days in October: 20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8.7 days).
Average UV index in October
Harleyville, SC
- Average UV index in October: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in October
Harleyville, SC
- Average cloud cover in October: 29
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in October
Harleyville, SC
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Harleyville, South Carolina, USA
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