Atlanta weather in January
Atlanta in January averages 7°C (44°F) and 116 mm of rain.
Of the twelve months in Atlanta, January is the coldest.
- Average temp
- 7°C (44°F)
2–12°C · 35–54°F
- Rainfall
- 116 mm
Showers likely
- Sunshine
- —
- Wind
- 15 km/h
What is Atlanta like in January?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Atlanta in January?
A light rain jacket
About 116 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 2°C (35°F).
January compared with December and February
January in Atlanta is 1.4°C cooler than December and about as wet as it, which averages 8°C (47°F).
January in Atlanta is 2.1°C cooler than February and about as wet as it, which averages 9°C (48°F).
Daylight in Atlanta in January
On 15 January the sun is up for 10 hours 9 minutes in Atlanta, rising about 07:42 and setting about 17:51 local time.
January ends 35 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 4 hours 14 minutes short of June, the longest-lit month here.
Where to stay in Atlanta
Dates are a starting point for January.
Travel guides for Atlanta
What to read before you book.
Atlanta weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 7°C / 44°F | 116 mm |
| February | 9°C / 48°F | 116 mm |
| March | 13°C / 55°F | 119 mm |
| April | 17°C / 63°F | 99 mm |
| May | 22°C / 71°F | 90 mm |
| June | 25°C / 78°F | 117 mm |
| July | 27°C / 81°F | 121 mm |
| August | 27°C / 80°F | 109 mm |
| September | 24°C / 74°F | 97 mm |
| October | 18°C / 64°F | 80 mm |
| November | 12°C / 54°F | 102 mm |
| December | 8°C / 47°F | 116 mm |
Similar weather in January
Other destinations whose January averages sit close to this one.
Check another month
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FAQs about Atlanta in January
January climate averages for Atlanta, 1991–2020.
Atlanta averages 7°C (44°F) in January, ranging from about 2°C (35°F) at night to 12°C (54°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 116 mm falls across January, enough to need a light jacket but not enough to reshape a trip.
No. January averages 7°C (44°F) against 9°C (48°F) in February — 2.1°C cooler.
January is 1.4°C cooler than December, and about as wet.
It is outside the easiest window. The most comfortable stretch here is May to October; January sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 10 hours 9 minutes of daylight in mid-January, against 14 hours 23 minutes in June and 9 hours 55 minutes in December.
On 15 January, sunrise is about 07:42 and sunset about 17:51 local time. Both shift across the month — the month ends 35 minutes longer than it starts.
