Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, noted for its average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.7°F (8.7°C), is considered the coldest month in Saint Marys.Humidity
In January, the average relative humidity is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.4 days and typically collects 0.67" (17mm) of precipitation.Snowfall
In Saint Marys, snow does not fall in January, March through December.Daylight
In Saint Marys, the average length of the day in January is 10h and 25min.On the first day of January, sunrise is at 7:23 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:00 pm EST.
Sunshine
In Saint Marys, the average sunshine in January is 5.9h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in January translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the usual temperature for Saint Marys in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January in Saint Marys?
When it does not snow?
Does it snow in January?
How many hours of daylight does Saint Marys have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Saint Marys have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Saint Marys, GA
- Average high temperature in January: 61.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (61.5°F).
- Average low temperature in January: 47.7°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in January
Saint Marys, 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 Marys, GA
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
Saint Marys, GA
- Average humidity in January: 72%
The months with the highest relative humidity are August and December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Saint Marys, GA
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in January
Saint Marys, GA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is August (23.9 days).
The month with the least rainy days is February (8.3 days).
Average snowfall days in January
Saint Marys, GA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Saint Marys, GA
- Average daylight in January: 10h and 2min
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 5min
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 48min).
Average sunshine days in January
Saint Marys, GA
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (4.5 days).
Average UV index in January
Saint Marys, GA
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in January
Saint Marys, GA
- Average cloud cover in January: 34
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in January
Saint Marys, 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).
Saint Marys, Georgia, USA
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