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 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 is the coldest month of the year, registering average temperatures as high as 49.8°F (9.9°C) and as low as 34.9°F (1.6°C).Humidity
In January, the average relative humidity in Graystone is 73%.Rainfall
In January, the rain falls for 10.4 days. Throughout January, 1.93" (49mm) of precipitation is accumulated. In Graystone, during the entire year, the rain falls for 158.9 days and collects up to 27.32" (694mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Graystone, during January, snow falls for 0.8 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, there are 2.6 snowfall days, and 1.02" (26mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 12min.On the first day of the month, sunrise is at 7:40 am and sunset at 5:37 pm. On the last day of January, sunrise is at 7:33 am and sunset at 6:05 pm EST.
Sunshine
The average sunshine in January is 5.7h.UV index
The months with the lowest UV index in Graystone are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Graystone?
What are the temperatures in January?
What is the average humidity in January in Graystone?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Graystone have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Graystone have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Graystone, GA
- Average high temperature in January: 49.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in January: 34.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in January
Graystone, GA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Graystone, GA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Graystone, GA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Graystone, GA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.46").
Average rainfall days in January
Graystone, GA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in January
Graystone, GA
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Graystone, GA
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Graystone, GA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in January
Graystone, GA
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Graystone, GA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Graystone, GA
- Average cloud cover in January: 41
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Graystone, 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).
Graystone, Georgia, USA
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