January is one of the cooler months of the year in Powder Springs, with average highs near 10.1°C and lows around -0.6°C (mean 4.8°C). It is a relatively wet time of year, averaging 121 mm of rainfall and 83% relative humidity across the period.
January is one of the cooler months of the year in Powder Springs. Across 45 years of records, the warmest January in Powder Springs was 2017 — when the month averaged 9.4°C — while the coldest was 2014 at 0.7°C. Typical January days reach 10.1°C with nights near -0.6°C. The long-term trend is warming, about 0.5°C per decade.
January is a relatively wet time of year in Powder Springs, averaging 121 mm of rainfall. The wettest January on record was 1996 with 218 mm, while the driest was 1981 at 29 mm.
Relative humidity in Powder Springs during January averages 83%. The most humid January was 1998 at 89%, and the least humid was 1981 at 74%.
January receives about 2.7 kWh/m²/day of solar energy in Powder Springs. The sunniest January was 2018 at 3.1 kWh/m²/day, and the cloudiest was 1991 at 2.
Average wind speed in Powder Springs during January is 0.1 m/s. The windiest Januarys were 2019, 2023 and 2025, among others at 0.2 m/s, while the calmest were 2021, 2022 and 2024, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.0°C | 5.3°C | 5.3°C | 4.7°C | 5.6°C | +2.6°C |
| Avg High | 8.3°C | 10.4°C | 10.8°C | 10.0°C | 11.0°C | +2.7°C |
| Avg Low | -2.3°C | 0.3°C | -0.1°C | -0.7°C | 0.1°C | +2.4°C |
| Avg Rain | 105 mm | 152 mm | 98 mm | 115 mm | 137 mm | +32 mm |
January temperatures in Powder Springs have risen by about 2.9°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -19.4°C (1985) to a record high of 24.2°C (2022).
Rainfall in January is a relatively wet time of year, averaging 121 mm, with a wettest year of 218 mm.
A quieter season to visit Powder Springs
If your dates are flexible, the more temperate months of September and May tend to be the most comfortable for visiting Powder Springs. That said, January — with days averaging 10.1°C and nights around -0.6°C (mean 4.8°C) and higher rainfall (121 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 8.3°C | 2.5°C | -3.3°C | 17.5°C | -12.8°C | 69 mm | 78% | 0.2 m/s | 2.9 |
| 2024 | 9.8°C | 4.3°C | -1.2°C | 21.2°C | -12.8°C | 192 mm | 81% | 0.1 m/s | 2.9 |
| 2023 | 14.0°C | 8.7°C | 3.4°C | 21.4°C | -5.3°C | 201 mm | 84% | 0.2 m/s | 2.6 |
| 2022 | 9.9°C | 4.1°C | -1.7°C | 24.2°C | -5.7°C | 89 mm | 81% | 0.1 m/s | 2.9 |
| 2021 | 11.3°C | 5.9°C | 0.5°C | 21.2°C | -5.0°C | 101 mm | 84% | 0.1 m/s | 2.5 |
| 2020 | 13.0°C | 8.0°C | 3.0°C | 20.7°C | -5.9°C | 173 mm | 85% | 0.1 m/s | 2.5 |
| 2019 | 10.7°C | 5.6°C | 0.5°C | 18.7°C | -6.1°C | 142 mm | 84% | 0.2 m/s | 2.6 |
| 2018 | 8.4°C | 2.5°C | -3.3°C | 18.3°C | -12.2°C | 58 mm | 75% | 0.2 m/s | 3.1 |
| 2017 🔥 | 14.4°C | 9.4°C | 4.5°C | 22.9°C | -10.1°C | 163 mm | 84% | 0.1 m/s | 2.7 |
| 2016 | 8.7°C | 3.8°C | -1.1°C | 17.9°C | -6.7°C | 108 mm | 84% | 0.1 m/s | 2.7 |
| 2015 | 9.5°C | 4.1°C | -1.4°C | 17.7°C | -10.0°C | 103 mm | 82% | 0.1 m/s | 2.7 |
| 2014 ❄️ | 6.6°C | 0.7°C | -5.2°C | 16.3°C | -14.5°C | 65 mm | 76% | 0.1 m/s | 3 |
| 2013 | 13.0°C | 7.7°C | 2.4°C | 22.3°C | -4.9°C | 197 mm | 86% | 0.1 m/s | 2.3 |
| 2012 | 13.6°C | 7.8°C | 2.0°C | 20.2°C | -6.1°C | 126 mm | 83% | 0.1 m/s | 2.7 |
| 2011 | 8.0°C | 2.7°C | -2.6°C | 18.5°C | -10.1°C | 73 mm | 82% | 0.2 m/s | 2.7 |
| 2010 | 7.0°C | 2.2°C | -2.7°C | 18.2°C | -10.1°C | 119 mm | 83% | 0.2 m/s | 2.8 |
| 2009 | 10.6°C | 4.9°C | -0.8°C | 21.0°C | -9.4°C | 132 mm | 82% | 0.1 m/s | 2.7 |
| 2008 | 9.3°C | 4.1°C | -1.2°C | 20.1°C | -10.3°C | 76 mm | 78% | 0.1 m/s | 3 |
| 2007 | 11.5°C | 6.1°C | 0.8°C | 21.4°C | -7.7°C | 83 mm | 81% | 0.1 m/s | 2.7 |
| 2006 | 13.9°C | 8.3°C | 2.7°C | 21.1°C | -3.7°C | 123 mm | 83% | 0.1 m/s | 2.7 |
| 2005 | 12.5°C | 7.3°C | 2.0°C | 19.5°C | -6.9°C | 52 mm | 84% | 0.1 m/s | 2.8 |
| 2004 | 10.4°C | 4.6°C | -1.2°C | 20.9°C | -7.9°C | 83 mm | 80% | 0.1 m/s | 2.8 |
| 2003 | 7.8°C | 2.7°C | -2.4°C | 16.3°C | -13.3°C | 54 mm | 80% | 0.1 m/s | 3 |
| 2002 | 12.6°C | 6.7°C | 0.7°C | 23.3°C | -5.9°C | 148 mm | 83% | 0.1 m/s | 2.8 |
| 2001 | 9.1°C | 3.6°C | -1.9°C | 17.6°C | -9.9°C | 114 mm | 83% | 0.1 m/s | 2.8 |
| 2000 | 10.4°C | 5.1°C | -0.2°C | 21.5°C | -7.0°C | 110 mm | 78% | 0.1 m/s | 2.6 |
| 1999 | 12.8°C | 7.0°C | 1.3°C | 21.5°C | -10.7°C | 167 mm | 84% | 0.1 m/s | 2.6 |
| 1998 | 11.5°C | 6.9°C | 2.3°C | 19.8°C | -5.9°C | 148 mm | 89% | 0.1 m/s | 2.5 |
| 1997 | 10.2°C | 5.0°C | -0.2°C | 20.9°C | -11.5°C | 161 mm | 83% | 0.1 m/s | 2.5 |
| 1996 🌧️ | 9.5°C | 3.8°C | -1.9°C | 19.8°C | -9.0°C | 218 mm | 87% | 0.1 m/s | 2.4 |
| 1995 | 10.4°C | 5.2°C | 0.1°C | 18.0°C | -7.8°C | 105 mm | 84% | 0.1 m/s | 2.6 |
| 1994 | 7.0°C | 1.9°C | -3.2°C | 16.0°C | -16.3°C | 121 mm | 82% | 0.1 m/s | 2.5 |
| 1993 | 11.0°C | 6.3°C | 1.6°C | 15.7°C | -4.4°C | 154 mm | 88% | 0.1 m/s | 2.1 |
| 1992 | 9.9°C | 5.1°C | 0.3°C | 17.6°C | -8.5°C | 142 mm | 86% | 0.1 m/s | 2.6 |
| 1991 | 9.7°C | 5.4°C | 1.0°C | 16.5°C | -5.4°C | 113 mm | 88% | 0.2 m/s | 2 |
| 1990 | 12.2°C | 6.8°C | 1.5°C | 19.3°C | -5.4°C | 192 mm | 89% | 0.1 m/s | 2.7 |
| 1989 | 12.8°C | 7.1°C | 1.5°C | 20.2°C | -4.6°C | 108 mm | 82% | 0.2 m/s | 2.7 |
| 1988 | 6.9°C | 2.0°C | -2.8°C | 19.2°C | -11.3°C | 136 mm | 83% | 0.1 m/s | 2.6 |
| 1987 | 8.5°C | 3.6°C | -1.4°C | 18.1°C | -9.0°C | 158 mm | 87% | 0.1 m/s | 2.5 |
| 1986 | 9.6°C | 3.4°C | -2.7°C | 18.5°C | -14.2°C | 30 mm | 79% | 0.2 m/s | 2.9 |
| 1985 | 6.1°C | 1.1°C | -3.9°C | 18.9°C | -19.4°C | 125 mm | 81% | 0.1 m/s | 2.6 |
| 1984 | 7.5°C | 2.5°C | -2.5°C | 14.6°C | -11.1°C | 112 mm | 86% | 0.2 m/s | 2.7 |
| 1983 | 7.9°C | 3.3°C | -1.3°C | 15.2°C | -5.8°C | 79 mm | 87% | 0.1 m/s | — |
| 1982 | 7.7°C | 1.9°C | -3.8°C | 19.0°C | -18.2°C | 173 mm | 84% | 0.1 m/s | — |
| 1981 | 7.6°C | 2.1°C | -3.4°C | 15.8°C | -12.7°C | 29 mm | 74% | 0.2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 10.1°C with lows near -0.6°C (mean 4.8°C), based on 45 years of NASA POWER data.
January averages 121 mm of rainfall in Powder Springs, a relatively wet time of year. The wettest on record was 218 mm in 1996.
The hottest January reached 24.2°C in 2022. The coldest dipped to -19.4°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 2.9°C. Daytime highs moved from 7.4°C to 10.7°C and overnight lows from -3°C to -0.5°C over the same span.
January is one of the cooler months of the year in Powder Springs and a relatively wet time of year, so plan for around 10.1°C daytime highs and -0.6°C at night.
Yes — January is the coldest month of the year in Powder Springs, averaging 4.8°C.
For January in Powder Springs, pack warm layers and a jacket for chilly mornings, with typical highs of 10.1°C and lows of -0.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in January averages 83% — quite humid.
Average wind speed in January is 0.1 m/s. The windiest January on record averaged 0.2 m/s (1981).
The wettest January on record was 1996 with 218 mm. On average, January sees 121 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Powder Springs behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for January specifically, along with year-by-year records and how the month has changed over the decades.
