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 proves to be the coldest month, recording an average maximum temperature of 48.4°F (9.1°C) and a minimum temperature of 33.4°F (0.8°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In Cumming, in January, it is raining for 12.4 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 185.1 rainfall days, and 44.29" (1125mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall are January and February, with an average 1.22" (31mm) of accumulated snow.Daylight
In January, the average length of the day is 10h and 11min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:37 pm. On the last day of January, in Cumming, sunrise is at 7:34 am and sunset at 6:05 pm EST.
Sunshine
The average sunshine in January is 5.6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Cumming. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during January translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the usual temperature for Cumming in January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Cumming have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Cumming have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Cumming, GA
- Average high temperature in January: 48.4°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in January
Cumming, 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
Cumming, GA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in January
Cumming, GA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August and October (72%).
Average rainfall in January
Cumming, GA
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is August (4.88").
The driest month (with the least rainfall) is October (2.4").
Average rainfall days in January
Cumming, GA
- Average rainfall days in January: 12.4 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in January
Cumming, GA
- Average snowfall in January: 1.22"
The months with the highest snowfall are January and February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Cumming, GA
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is January (1.8 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
Cumming, 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 months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Cumming, GA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8 days).
Average UV index in January
Cumming, 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
Cumming, 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 30).
Average visibility in January
Cumming, 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).
Cumming, Georgia, USA
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