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
The month of January sees the lowest average temperatures, reaching 53.2°F (11.8°C) at the peak and 36.9°F (2.7°C) at the low.Humidity
The average relative humidity in January in Heatherbrook is 73%.Rainfall
In Heatherbrook, during January, the rain falls for 10.3 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Heatherbrook, there are 152.9 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and February. January is the month with the most snowfall in Heatherbrook, Georgia. Snow falls for 0.8 days and accumulates 0.28" (7mm) of snow.Daylight
In January, the average length of the day is 10h and 16min.On the first day of the month, sunrise is at 7:43 am and sunset at 5:44 pm. On the last day of January, in Heatherbrook, sunrise is at 7:36 am and sunset at 6:11 pm EST.
Sunshine
In Heatherbrook, the average sunshine in January is 6.1h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Heatherbrook. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during January translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Heatherbrook?
What is the temperature in January in Heatherbrook?
What is the average humidity in January in Heatherbrook?
How many days does it rain in January in Heatherbrook?
When does it snow the most in Heatherbrook?
When does it start to snow in Heatherbrook?
What is the average length of the day in January in Heatherbrook?
When are sunrise and sunset in January in Heatherbrook?
How many hours of sunshine does Heatherbrook have in January?
When is the lowest UV index in Heatherbrook?
How high is the UV index in January in Heatherbrook?
Average temperature in January
Heatherbrook, GA
- Average high temperature in January: 53.2°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 (53.2°F).
- Average low temperature in January: 36.9°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in January
Heatherbrook, 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 (29.98"Hg).
Average wind speed in January
Heatherbrook, GA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Heatherbrook, GA
- Average humidity in January: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Heatherbrook, GA
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is October (1.3").
Average rainfall days in January
Heatherbrook, GA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in January
Heatherbrook, GA
- Average snowfall in January: 0.28"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Heatherbrook, GA
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is January (0.8 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
Heatherbrook, GA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in January
Heatherbrook, GA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in January
Heatherbrook, 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, February and December (UV index 3).
Average cloud cover in January
Heatherbrook, GA
- Average cloud cover in January: 42
The month with the most cloud cover is December (Cloud cover 46).
The months with the least cloud cover are September and October (Cloud cover 31).
Average visibility in January
Heatherbrook, 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).
Heatherbrook, Georgia, USA
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