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, noted for its average high-temperature of 50.5°F (10.3°C) and an average low-temperature of 34.9°F (1.6°C), is considered the coldest month.Humidity
In January, the average relative humidity in North Decatur is 73%.Rainfall
In North Decatur, in January, during 8.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in North Decatur, there are 134.6 rainfall days, and 14.72" (374mm) of precipitation is accumulated.Snowfall
Months with snowfall in North Decatur are January through March and December. In North Decatur, during January, snow falls for 0.6 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.59" (15mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 13min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:39 pm. On the last day of January, sunrise is at 7:34 am and sunset at 6:06 pm EST.
Sunshine
In North Decatur, the average sunshine in January is 5.8h.UV index
The months with the lowest UV index in North Decatur are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in North Decatur?
What is the usual temperature for North Decatur in January?
What is the average humidity in January in North Decatur?
How many days does it rain in January in North Decatur?
How many days does it snow in January in North Decatur?
What is the average length of the day in January in North Decatur?
When are sunrise and sunset in January in North Decatur?
How long on average sun shines in January in North Decatur?
When is the lowest UV index in North Decatur?
How high is the UV index in January in North Decatur?
Average temperature in January
North Decatur, GA
- Average high temperature in January: 50.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in January: 34.9°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in January
North Decatur, 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
North Decatur, 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
North Decatur, GA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and August (69%).
Average rainfall in January
North Decatur, GA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is August (2.32").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in January
North Decatur, GA
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in January
North Decatur, GA
- Average snowfall in January: 0.16"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
North Decatur, GA
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (0.9 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
North Decatur, 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: 10h and 0min).
- Average sunshine in January: 5h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
North Decatur, GA
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
North Decatur, GA
- Average UV index in January: 2
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
North Decatur, GA
- Average cloud cover in January: 42
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
North Decatur, 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).
North Decatur, Georgia, USA
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