Climate averages 1991–2020
Sandy Springs weather
in January.
A cool, wet month: the coolest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cool month in Sandy Springs: daytime highs average 10.4°C and nights cool to about 1.5°C. By daytime temperature it is the coolest month of the year.
Expect about 114 mm of rain on roughly 10 days, which makes January a wet month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 10 min on an average January day.
The nearest other city in this atlas is Roswell (11 km away). In January its highs average 10.3°C, about as warm as Sandy Springs, with 116 mm of rain.
Among the 498 cities listed in the United States, Sandy Springs ranks joint 238th of 498 for the warmest January highs and joint 450th of 498 for the driest January (rainfall, lowest first). The mean January high of those 498 cities is 9.5°C; Sandy Springs is 0.9°C warmer than that mean.
From January to February, average highs rise by 2.2°C to 12.6°C, and monthly rainfall stays at 114 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sandy Springs climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 10.4°C1.5°C | 1.5°C | 114 | 10.4 | 10.210 h |
| February | 12.6°C3.1°C | 3.1°C | 114 | 10.1 | 10.911 h |
| March | 16.6°C6.4°C | 6.4°C | 120 | 10.3 | 12.012 h |
| April | 21.3°C10.5°C | 10.5°C | 102 | 9.6 | 13.013 h |
| May | 25.7°C15.4°C | 15.4°C | 86 | 10.2 | 13.914 h |
| June | 29.1°C19.6°C | 19.6°C | 102 | 13.6 | 14.414 h |
| July | 30.6°C21.5°C | 21.5°C | 108 | 14.5 | 14.214 h |
| August | 30.0°C21.2°C | 21.2°C | 99 | 12.6 | 13.413 h |
| September | 27.2°C18.2°C | 18.2°C | 92 | 8.6 | 12.412 h |
| October | 21.9°C12.4°C | 12.4°C | 83 | 7.1 | 11.411 h |
| November | 16.1°C6.5°C | 6.5°C | 99 | 8.2 | 10.410 h |
| December | 11.6°C3.1°C | 3.1°C | 116 | 10.2 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Roswell in JanuaryUnited States · 11 kmHigh 10.3°C · Low 1.4°C · 116 mm rain
- Atlanta in JanuaryUnited States · 20 kmHigh 10.8°C · Low 1.5°C · 106 mm rain
- Johns Creek in JanuaryUnited States · 20 kmHigh 10.6°C · Low 1.7°C · 116 mm rain
- South Fulton in JanuaryUnited States · 46 kmHigh 11.2°C · Low 2.4°C · 106 mm rain
- Athens, United States in JanuaryUnited States · 92 kmHigh 11.3°C · Low 2.2°C · 112 mm rain
- Macon in JanuaryUnited States · 139 kmHigh 13.3°C · Low 3.7°C · 102 mm rain
- East Chattanooga in JanuaryUnited States · 150 kmHigh 9.3°C · Low 0.4°C · 119 mm rain
- Chattanooga in JanuaryUnited States · 151 kmHigh 9.6°C · Low 0.6°C · 119 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sandy Springs) is explained once on the Sandy Springs year overview and on the Sources, method and limits page.