October weather forecastPort Royal, SC
October
Weather in October
October ushers in autumn in earnest, with temperatures sliding down and rainfall decreasing from September. Lower temperatures range around 63.5°F (17.5°C), and higher temperatures tend to average at 76.6°F (24.8°C). As the month progresses, leaves on trees start to turn vibrant shades of orange and gold. October is characterised by crisp weather and stunning fall foliage, and is one of the favorite months for locals and visitors in Port Royal.Temperature
In October, the average high-temperature marginally decreases from 85.1°F (29.5°C) in September to a still warm 76.6°F (24.8°C). Port Royal experiences an average low-temperature of 63.5°F (17.5°C) in month of October.Humidity
The average relative humidity in October is 73%.Rainfall
In Port Royal, in October, it is raining for 9.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 154.7 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
In Port Royal, snow does not fall in March through November.Daylight
In Port Royal, the average length of the day in October is 11h and 22min.On the first day of October in Port Royal, sunrise is at 7:17 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:33 pm EDT.
Sunshine
The average sunshine in October is 6.8h.UV index
In Port Royal, South Carolina, the average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in October, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Port Royal, SC
- Average high temperature in October: 76.6°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 (57.6°F).
- Average low temperature in October: 63.5°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).
Average pressure in October
Port Royal, SC
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in October
Port Royal, SC
- Average wind speed in October: 7.6mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Port Royal, SC
- Average humidity in October: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in October
Port Royal, SC
- Average rainfall in October: 2.24"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in October
Port Royal, SC
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall days in October
Port Royal, SC
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (0.2 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
Port Royal, SC
- Average daylight in October: 11h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in October: 6h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in October
Port Royal, SC
- Average sunshine days in October: 19.4 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in October
Port Royal, 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
Port Royal, SC
- Average cloud cover in October: 26
The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in October
Port Royal, 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).
