January weather forecastBrookhaven, GA
January
Weather in January
January, like December, is another chilly winter month in Brookhaven, Georgia, with an average temperature ranging between max 49.8°F (9.9°C) and min 34.3°F (1.3°C).Temperature
Brookhaven's coldest month, January, registers temperatures that range from a high of 49.8°F (9.9°C) to a low of 34.3°F (1.3°C).Humidity
In January, the average relative humidity is 73%.Rainfall
In Brookhaven, in January, during 12.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Brookhaven, during the entire year, the rain falls for 187.2 days and collects up to 44.13" (1121mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is January, when snow falls for 1.4 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In January, the average length of the day is 10h and 12min.On the first day of January, sunrise is at 7:42 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 6:06 pm EST.
Sunshine
In January, the average sunshine is 5.7h.UV index
The months with the lowest UV index in Brookhaven are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Brookhaven, GA
- Average high temperature in January: 49.8°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 (49.8°F).
- Average low temperature in January: 34.3°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 (34.3°F).
Average pressure in January
Brookhaven, 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
Brookhaven, 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
Brookhaven, 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 (68%).
Average rainfall in January
Brookhaven, GA
- Average rainfall in January: 3.11"
The wettest month (with the highest rainfall) is August (5.63").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in January
Brookhaven, GA
- Average rainfall days in January: 12.8 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is October (10.4 days).
Average snowfall in January
Brookhaven, GA
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Brookhaven, GA
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is January (1.4 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
Brookhaven, GA
- Average daylight in January: 10h and 12min
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 42min
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
Brookhaven, GA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in January
Brookhaven, GA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Brookhaven, 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
Brookhaven, 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).
