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, with the temperature often reaching an average high of 56.1°F (13.4°C) and an average low of 40.1°F (4.5°C).Humidity
The least humid month is January, with an average relative humidity of 71%.Rainfall
In Forest Heights, in January, it is raining for 8.6 days, with typically 0.94" (24mm) of accumulated precipitation. In Forest Heights, Georgia, during the entire year, the rain falls for 140.8 days and collects up to 17.09" (434mm) of precipitation.Snowfall
Months with snowfall are January and February. The months with the most snowfall are January and February, with an average 0.04" (1mm) of accumulated snow.Daylight
The average length of the day in January is 10h and 19min.On the first day of the month, sunrise is at 7:28 am and sunset at 5:32 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:59 pm EST.
Sunshine
The average sunshine in January is 5.8h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in January translates into this advice:
Guard yourself - Avoiding sunburn is suggested. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the average January temperature?
What is the least humid month?
What is the average humidity in January?
How much does it rain in Forest Heights in January?
When does it snow the most?
When does it start to snow?
How many hours of daylight does Forest Heights have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Forest Heights have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Forest Heights, GA
- Average high temperature in January: 56.1°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 (56.1°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in January
Forest Heights, GA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Forest Heights, GA
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Forest Heights, GA
- Average humidity in January: 71%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in January
Forest Heights, GA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in January
Forest Heights, GA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in January
Forest Heights, GA
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Forest Heights, GA
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Forest Heights, GA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- 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 24min).
Average sunshine days in January
Forest Heights, GA
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (8.9 days).
Average UV index in January
Forest Heights, GA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Forest Heights, GA
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Forest Heights, GA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Forest Heights, Georgia, USA
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