October weather forecastJohns Island, SC
October
Weather in October
October, the same as September, is a moderately hot autumn month in Johns Island, South Carolina, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 62.1°F (16.7°C).Temperature
The onset of October aligns with a soft reduction in the average high-temperature, gently falling from 84.4°F (29.1°C) in September to a still moderately hot 76.1°F (24.5°C). The month of October records an average low-temperature of 62.1°F (16.7°C) in Johns Island.Humidity
The average relative humidity in October is 74%.Rainfall
In Johns Island, South Carolina, in October, during 9.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.Snowfall
In Johns Island, South Carolina, snow does not fall in March through November.Daylight
In October, the average length of the day is 11h and 22min.On the first day of the month, sunrise is at 7:14 am and sunset at 7:04 pm. On the last day of October, in Johns Island, sunrise is at 7:37 am and sunset at 6:30 pm EDT.
Sunshine
In October, the average sunshine is 6.7h.UV index
In Johns Island, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in October transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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
Average temperature in October
Johns Island, SC
- Average high temperature in October: 76.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in October: 62.1°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in October
Johns Island, 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 (29.98"Hg).
Average wind speed in October
Johns Island, SC
- Average wind speed in October: 7.5mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Johns Island, SC
- Average humidity in October: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in October
Johns Island, SC
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in October
Johns Island, SC
- Average rainfall days in October: 9.7 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in October
Johns Island, SC
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
Johns Island, SC
- Average daylight in October: 11h and 24min
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 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 36min).
Average sunshine days in October
Johns Island, SC
- Average sunshine days in October: 19.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in October
Johns Island, SC
- Average UV index in October: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in October
Johns Island, SC
- Average cloud cover in October: 27
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in October
Johns Island, 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).
