January weather forecast
Cumming, GA

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Weather in January

January, the same as December, in Cumming, Georgia, is a frosty winter month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 33.4°F (0.8°C).

Temperature

January, known for its average high temperature of 48.4°F (9.1°C) and an average low temperature of 33.4°F (0.8°C), is the coldest month.

Humidity

The average relative humidity in January in Cumming is 74%.

Rainfall

In Cumming, in January, during 12.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. Throughout the year, in Cumming, there are 185.1 rainfall days, and 44.29" (1125mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Cumming, Georgia. The months with the most snowfall in Cumming are January and February, with an average 1.22" (31mm) of accumulated snow.

Daylight

The average length of the day in January 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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Cumming?

Cumming's January weather, marked by an average high temperature of 48.4°F (9.1°C) and an average low temperature of 33.4°F (0.8°C), is the coldest in the year.

What is the temperature in January in Cumming?

In Cumming, in January, the average high-temperature is 48.4°F (9.1°C), and the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in January in Cumming?

The average relative humidity in January in Cumming, Georgia, is 74%.

How much does it rain in Cumming in January?

In Cumming, Georgia, in January, it is raining for 12.4 days, with typically 3.31" (84mm) of accumulated precipitation.

What is the snowiest month in Cumming?

The months with the most snowfall in Cumming, Georgia, are January and February, with an average 1.22" (31mm) of accumulated snow.

How much does it snow in Cumming in January?

In Cumming, Georgia, in January, snow falls for 1.8 days, with typically accumulated 1.22" (31mm) of snow.

How many hours of daylight does Cumming have in January?

The average day length in January is 10h and 11min.

When is the sunrise / sunset in January in Cumming?

In January, on the first day of the month, sunrise is at 7:42 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:05 pm EST.

How many hours of sunshine does Cumming have in January?

In Cumming, Georgia, the average sunshine duration in January is 5.6h.

What is the month with the lowest UV index in Cumming?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Cumming.

How high is the UV index in January in Cumming?

In January, the average daily maximum UV index in Cumming, Georgia, is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
52.3°F 11.3°C
48.4°F 9.1°C
53.2°F 11.8°C
Average low temperature
38.3°F 3.5°C
33.4°F 0.8°C
37.2°F 2.9°C
Average pressure
30.15" 766mmHg
30.16" 766mmHg
30.12" 765mmHg
Average wind speed
6.9mph 11.1km/h
7.6mph 12.2km/h
7.5mph 12.1km/h
Average max. wind speed
7.5mph 12.1km/h
8.1mph 13km/h
8mph 12.9km/h
Average wind speed gusts
11.1mph 17.9km/h
11.9mph 19.2km/h
11.6mph 18.7km/h
Average humidity
78%
74%
77%
Average rainfall
4.17" 106mm
3.31" 84mm
3.86" 98mm
Average rainfall days
13.3
12.4
14.3
Average snowfall
0.67" 17mm
1.22" 31mm
1.22" 31mm
Average snowfall days
0.7
1.8
1.6
Average daylight
9h 5min
10h 1min
11h 0min
Average sunshine
5h 1min
5h 4min
6h 3min
Average sunshine days
16
16.3
11.5
Average UV index
2
2
3
Average cloud cover
46%
42%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Cumming, GA

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).

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Average pressure in January
Cumming, GA

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).

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Average wind speed in January
Cumming, GA

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).

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Average humidity in January
Cumming, GA

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%).

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Average rainfall in January
Cumming, GA

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").

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Average rainfall days in January
Cumming, GA

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).

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Average snowfall in January
Cumming, GA

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").

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Average snowfall days in January
Cumming, GA

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).

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Average daylight in January /
Average sunshine in January
Cumming, GA

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).

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Average sunshine days in January
Cumming, GA

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).

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Average UV index in January
Cumming, GA

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).

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Average cloud cover in January
Cumming, GA

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).

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Average visibility in January
Cumming, GA

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).

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Cumming, Georgia, USA

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