January weather in St. Marys, GA
The average temperature in St. Marys in January is 52.6°F (42.9°F–62.3°F). Average precipitation: 2.83 inches.
January is a winter month in St. Marys, and is cooler than the annual average of 67.8°F. Daily temperatures swing about 19.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 13m. For travel, January is a comfortable month to visit.
Avg High
62.3°F
Avg Low
42.9°F
Precipitation
2.83 in
Daylight
10h 13m
January records in St. Marys
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 81.3°F (2019) | 32.9°F (2018) | 0.50 in (2007) |
| January 2 | 83.1°F (2022) | 29.1°F (2018) | 2.41 in (2006) |
| January 3 | 79.0°F (2019) | 25.9°F (2012) | 1.15 in (2018) |
| January 4 | 78.3°F (2023) | 24.3°F (2012) | 0.38 in (2015) |
| January 5 | 74.3°F (2009) | 25.7°F (2018) | 0.72 in (2007) |
| January 6 | 77.4°F (2005) | 25.5°F (2018) | 0.97 in (2024) |
| January 7 | 79.0°F (2007) | 21.2°F (2014) | 0.39 in (2017) |
| January 8 | 80.6°F (2005) | 27.1°F (2015) | 0.27 in (2016) |
| January 9 | 76.5°F (2008) | 21.6°F (2010) | 1.11 in (2024) |
| January 10 | 79.2°F (2026) | 21.9°F (2010) | 0.80 in (2014) |
| January 11 | 78.3°F (2014) | 21.9°F (2010) | 0.82 in (2014) |
| January 12 | 76.6°F (2023) | 25.5°F (2025) | 0.48 in (2015) |
| January 13 | 76.3°F (2020) | 23.4°F (2011) | 0.70 in (2006) |
| January 14 | 78.6°F (2020) | 26.8°F (2010) | 1.43 in (2014) |
| January 15 | 82.2°F (2020) | 27.1°F (2011) | 0.44 in (2016) |
| January 16 | 81.9°F (2020) | 21.2°F (2026) | 1.04 in (2024) |
| January 17 | 75.9°F (2013) | 28.0°F (2018) | 1.08 in (2016) |
| January 18 | 80.2°F (2017) | 23.9°F (2018) | 0.51 in (2026) |
| January 19 | 80.8°F (2023) | 23.2°F (2018) | 0.75 in (2008) |
| January 20 | 81.9°F (2017) | 28.0°F (2016) | 0.44 in (2019) |
| January 21 | 80.8°F (2017) | 25.5°F (2009) | 2.64 in (2010) |
| January 22 | 74.5°F (2007) | 21.7°F (2009) | 2.04 in (2017) |
| January 23 | 75.2°F (2018) | 25.9°F (2025) | 1.35 in (2015) |
| January 24 | 73.9°F (2012) | 24.4°F (2005) | 1.46 in (2019) |
| January 25 | 78.3°F (2023) | 23.9°F (2025) | 2.69 in (2011) |
| January 26 | 77.0°F (2021) | 30.4°F (2025) | 0.56 in (2026) |
| January 27 | 75.9°F (2021) | 26.1°F (2026) | 0.80 in (2021) |
| January 28 | 78.4°F (2009) | 31.3°F (2010) | 0.80 in (2007) |
| January 29 | 73.6°F (2025) | 27.1°F (2007) | 1.39 in (2018) |
| January 30 | 84.4°F (2023) | 22.6°F (2022) | 0.25 in (2010) |
| January 31 | 73.6°F (2023) | 26.6°F (2026) | 0.26 in (2021) |