January weather in Oacoma, SD
The average temperature in Oacoma in January is 20.8°F (11.1°F–30.6°F). Average precipitation: 0.40 inches.
January is a winter month in Oacoma, and is cooler than the annual average of 48.2°F. Daily temperatures swing about 19.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 5m. For travel, January is cold.
Avg High
30.6°F
Avg Low
11.1°F
Precipitation
0.40 in
Daylight
9h 5m
January records in Oacoma
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.0°F (2004) | -18.8°F (2010) | 0.31 in (2006) |
| January 2 | 54.0°F (2004) | -16.8°F (2010) | 0.04 in (2023) |
| January 3 | 61.0°F (2012) | -7.1°F (1999) | 0.04 in (2009) |
| January 4 | 59.0°F (2012) | -18.9°F (1999) | 0.39 in (2005) |
| January 5 | 68.0°F (2012) | -13.0°F (2004) | 0.21 in (2005) |
| January 6 | 48.9°F (2006) | -16.1°F (2005) | 0.12 in (2010) |
| January 7 | 61.0°F (2003) | -10.8°F (2010) | 0.01 in (2000) |
| January 8 | 64.0°F (2002) | -19.8°F (2010) | 0.01 in (2005) |
| January 9 | 59.0°F (2012) | -16.8°F (2010) | 0.18 in (2004) |
| January 10 | 59.0°F (2012) | -5.8°F (2020) | 0.04 in (2010) |
| January 11 | 59.0°F (2006) | -11.7°F (2011) | 0.09 in (2012) |
| January 12 | 59.0°F (2026) | -11.7°F (2011) | 0.03 in (2010) |
| January 13 | 55.0°F (2026) | -19.8°F (2024) | 0.07 in (2002) |
| January 14 | 61.0°F (2006) | -19.8°F (2024) | 0.02 in (2026) |
| January 15 | 61.0°F (2006) | -20.7°F (2009) | 0.04 in (2011) |
| January 16 | 46.9°F (1999) | -17.0°F (2005) | 0.30 in (2012) |
| January 17 | 48.0°F (2022) | -11.9°F (2003) | 0.07 in (2001) |
| January 18 | 53.1°F (2022) | -8.9°F (2011) | 0.07 in (2011) |
| January 19 | 57.0°F (2014) | -12.8°F (2011) | 0.48 in (2000) |
| January 20 | 55.0°F (2007) | -15.9°F (2024) | 0.12 in (2012) |
| January 21 | 52.0°F (2002) | -13.0°F (2025) | 0.21 in (2001) |
| January 22 | 54.0°F (2007) | -14.1°F (2003) | 0.16 in (2012) |
| January 23 | 53.1°F (2005) | -18.0°F (2003) | 0.17 in (2010) |
| January 24 | 59.0°F (2005) | -12.8°F (2008) | 0.02 in (2003) |
| January 25 | 60.1°F (2002) | -11.9°F (2026) | 0.04 in (1999) |
| January 26 | 63.0°F (2006) | -11.9°F (2026) | 0.08 in (2009) |
| January 27 | 57.9°F (2006) | -14.1°F (2004) | 0.03 in (2012) |
| January 28 | 52.0°F (2008) | -11.0°F (2004) | 0.13 in (2013) |
| January 29 | 54.0°F (2014) | -12.8°F (2023) | 0.03 in (2013) |
| January 30 | 57.0°F (2012) | -21.8°F (2023) | 0.14 in (2001) |
| January 31 | 59.0°F (2022) | -12.8°F (2023) | 0.06 in (2011) |