October weather forecastSaint Simons Island, GA
October
Weather in October
October on Saint Simons Island witnesses a steady decline in temperatures, introducing the livable conditions of fall. The difference in climate becomes evident when compared to September, alongside diminishing rainfall and shorter sunlight hours. A visible shift of the Island's weather is experienced, presenting a significant reduction in sea temperature. The sea temperature in October drops impressively to 78.3°F (25.7°C), a steep decline of 4.1°F (-15.5°C) from September. October provides an enriching experience for leisurely walks on the beach and exploration of the historical sites without the high summer crowds or intense heat.Temperature
As September shifts into October, a minor alteration in temperatures is observed, with average highs reducing from 84.9°F (29.4°C) to a still moderately hot 77.9°F (25.5°C). October nights are marked by an average temperature drop to a refreshing 66.6°F (19.2°C).Humidity
The average relative humidity in October is 74%.Rainfall
In October, the rain falls for 11.5 days. Throughout October, 1.61" (41mm) of precipitation is accumulated. Throughout the year, there are 163.3 rainfall days, and 20.43" (519mm) of precipitation is accumulated.Snowfall
In Saint Simons Island, snow does not fall in January, March through November.Ocean temperature
In October, the average ocean temperature is 78.4°F (25.8°C).Note: Swimming, diving, and other water activities in temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are highly enjoyable and provide prolonged comfort without unease.
Daylight
In Saint Simons Island, the average length of the day in October is 11h and 24min.On the first day of the month, sunrise is at 7:19 am and sunset at 7:10 pm. On the last day of October, in Saint Simons Island, Georgia, sunrise is at 7:40 am and sunset at 6:37 pm EDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
In October, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during October leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Attention! UV radiation is markedly stronger with water and sand reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint Simons Island, GA
- Average high temperature in October: 77.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in October: 66.6°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in October
Saint Simons Island, GA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in October
Saint Simons Island, GA
- Average wind speed in October: 8.6mph
The windiest months (with the highest average wind speed) are January and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in October
Saint Simons Island, GA
- Average humidity in October: 74%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is March (72%).
Average rainfall in October
Saint Simons Island, GA
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in October
Saint Simons Island, GA
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is January (8.2 days).
Average snowfall days in October
Saint Simons Island, GA
- Average snowfall days in October: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in October
Saint Simons Island, GA
- Average sea temperature in October: 78.3°F
The best month for swimming (with the highest average sea temperature) is August (83.4°F).
The coldest month (with the lowest average sea temperature) is February (58.5°F).
Average daylight in October /
Average sunshine in October
Saint Simons Island, GA
- Average daylight in October: 11h and 24min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in October: 7h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in October
Saint Simons Island, GA
- Average sunshine days in October: 17 days
The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is August (4.2 days).
Average UV index in October
Saint Simons Island, GA
- Average UV index in October: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in October
Saint Simons Island, GA
- Average cloud cover in October: 28
The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are April, May, June and July (Cloud cover 27).
Average visibility in October
Saint Simons Island, GA
- 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).
