January weather forecastSaint Simons Island, GA
January
Weather in January
On Saint Simons Island, the year begins with mild and damp conditions. Differences with February are minimal in temperature aspects, however, more sunlight can be enjoyed in January. A total flotation of 5.9 sunshine hours per day underscores the typically moderate maritime climate of the Georgia coast. The total slight increase of 0.5 sunshine hours, from December to January, emphasizes the gradually lengthening days. Precipitation amounts are modest and snowfall is practically non-existent, providing a quieter season for visitors and residents alike.Temperature
Saint Simons Island's January weather reaches an average high of 60.4°F (15.8°C) and an average low of 47.7°F (8.7°C), making it the coldest month.Humidity
The average relative humidity in January in Saint Simons Island is 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January, March through November are months without snowfall in Saint Simons Island.Ocean temperature
In Saint Simons Island, in January, the average water temperature is 58.8°F (14.9°C).Note: Dipping in 58.8°F (14.9°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Saint Simons Island, the average length of the day in January is 10h and 23min.On the first day of the month, sunrise is at 7:23 am and sunset at 5:33 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:59 pm EST.
Sunshine
In January, the average sunshine is 5.9h.UV index
With an average maximum UV index of 3, January is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Simons Island, GA
- Average high temperature in January: 60.4°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 January: 47.7°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 January
Saint Simons Island, GA
- Average pressure in January: 30.14"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 January
Saint Simons Island, GA
- Average wind speed in January: 8.8mph
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 January
Saint Simons Island, GA
- Average humidity in January: 73%
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 January
Saint Simons Island, GA
- Average rainfall in January: 0.59"
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 January
Saint Simons Island, GA
- Average rainfall days in January: 8.2 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 January
Saint Simons Island, GA
- Average snowfall days in January: 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 January
Saint Simons Island, GA
- Average sea temperature in January: 58.8°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 January /
Average sunshine in January
Saint Simons Island, GA
- Average daylight in January: 10h 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 January: 5h and 54min
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 January
Saint Simons Island, GA
- Average sunshine days in January: 19.8 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 January
Saint Simons Island, GA
- Average UV index in January: 3
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 January
Saint Simons Island, GA
- Average cloud cover in January: 33
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 January
Saint Simons Island, GA
- Average visibility in January: 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).
