January weather in Sioux Falls, SD
The average temperature in Sioux Falls in January is 16.4°F (7.4°F–25.3°F). Average precipitation: 0.66 inches.
January is a winter month in Sioux Falls, and is cooler than the annual average of 46.6°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Daylight averages about 9h 6m. For travel, January is cold.
Avg High
25.3°F
Avg Low
7.4°F
Precipitation
0.66 in
Daylight
9h 6m
January records in Sioux Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 36.0°F (2020) | -24.0°F (2018) | 0.06 in (2014) |
| January 2 | 34.0°F (2020) | -23.1°F (2018) | 0.41 in (2023) |
| January 3 | 42.1°F (2012) | -2.9°F (2017) | 0.64 in (2023) |
| January 4 | 53.1°F (2012) | -8.0°F (2015) | 0.06 in (2023) |
| January 5 | 63.0°F (2012) | -17.0°F (2014) | 0.33 in (2015) |
| January 6 | 46.9°F (2012) | -18.0°F (2014) | 0.27 in (2021) |
| January 7 | 50.0°F (2026) | -9.9°F (2015) | 0.00 in (2012) |
| January 8 | 43.0°F (2012) | -6.0°F (2014) | 0.89 in (2024) |
| January 9 | 51.1°F (2012) | -11.9°F (2016) | 0.02 in (2017) |
| January 10 | 55.9°F (2012) | -14.1°F (2016) | 0.07 in (2024) |
| January 11 | 48.9°F (2022) | -7.1°F (2016) | 0.05 in (2024) |
| January 12 | 54.0°F (2026) | -11.9°F (2015) | 0.13 in (2020) |
| January 13 | 50.0°F (2026) | -18.9°F (2024) | 0.07 in (2021) |
| January 14 | 39.9°F (2021) | -20.0°F (2024) | 0.34 in (2021) |
| January 15 | 46.9°F (2012) | -14.1°F (2024) | 0.04 in (2021) |
| January 16 | 42.1°F (2013) | -13.0°F (2020) | 0.13 in (2023) |
| January 17 | 44.1°F (2022) | -17.0°F (2016) | 0.54 in (2020) |
| January 18 | 48.9°F (2022) | -6.0°F (2016) | 0.46 in (2019) |
| January 19 | 48.9°F (2018) | -14.1°F (2011) | 0.08 in (2023) |
| January 20 | 44.1°F (2021) | -18.0°F (2024) | 0.38 in (2012) |
| January 21 | 39.9°F (2018) | -15.0°F (2025) | 0.04 in (2026) |
| January 22 | 41.0°F (2022) | -13.0°F (2026) | 0.21 in (2018) |
| January 23 | 41.0°F (2015) | -18.9°F (2026) | 0.27 in (2021) |
| January 24 | 41.0°F (2015) | -11.9°F (2026) | 0.31 in (2017) |
| January 25 | 39.9°F (2014) | -11.0°F (2026) | 0.19 in (2017) |
| January 26 | 46.0°F (2015) | -13.0°F (2026) | 0.06 in (2023) |
| January 27 | 45.0°F (2025) | -9.9°F (2014) | 0.17 in (2013) |
| January 28 | 53.1°F (2025) | -8.0°F (2014) | 0.12 in (2023) |
| January 29 | 48.9°F (2025) | -23.1°F (2019) | 0.00 in (2012) |
| January 30 | 57.0°F (2025) | -26.0°F (2019) | 0.10 in (2014) |
| January 31 | 50.0°F (2024) | -15.0°F (2019) | 0.24 in (2015) |