Weather in Atlanta in January 2025
- January is usually the coldest month of the year in Atlanta;
Average weather
Average temperature in Atlanta in January
The expected average maximum temperature in January is +15°C with a maximum of +22°C and a minimum of -2°C.
The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +20°C to +19°C.
Is Atlanta warm or cold in January?
Atlanta is typically mild in January.
Maximum temperatures go down compared to the previous month from +13°C to +12°C. The minimum temperature also goes down from +3°C to +2°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in Atlanta, here is the comparison with other months:
Climate in Atlanta in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +13°C | +12°C | +14°C | ||||
| Min. temperature | ||||||
| -17°C | -22°C | -14°C | ||||
| Max. temperature | ||||||
| +25°C | +24°C | +27°C | ||||
| Rainfall | ||||||
| 88 mm | 87 mm | 91 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 70% | 67% | 65% | ||||
| Air pressure | ||||||
| 1020 HPa | 1019 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 10 | 10 | 8 | ||||
| Cloudy days | ||||||
| 9 | 8 | 7 | ||||
| Rainy days | ||||||
| 10 | 10 | 10 | ||||
| Snowy days | ||||||
| 1 | 2 | 1 | ||||
January weather is still as good as in December. It’s getting colder in January. From +13°C in the day, the average maximum temperature lowers to +12°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 88 mm to 87 mm. It feels drier, as humidity decreases from 70% to 67%. The average wind speed doesn’t change much during January, staying around 3 m/s. The amount of sunny days stay about the same, averaging 10 sunny days during the month.
February brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Atlanta is gradually increasing during January, going from 2 m/s to 2 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Atlanta.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Atlanta?
Climate Change over Years
The climate in Atlanta in January has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+21°C) and the highest in 2016 (+24°C). The driest year was 2007 with only 534 mm of rainfall, and the wettest year was 2020 with 2043 mm.
FAQ
Is January a good time to visit Atlanta?
Can you sunbathe in Atlanta in January?
Is Atlanta rainy in January?
Is it sunny in Atlanta in January?
Other cities in USA
Monthly weather in Atlanta
Source of the data
For this page, we’ve looked at the typical weather in Atlanta, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.