January weather in Sugar Grove, IL
The average temperature in Sugar Grove in January is 22.6°F (14.7°F–30.5°F). Average precipitation: 1.30 inches.
January is a winter month in Sugar Grove, and is cooler than the annual average of 49.4°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 17m. For travel, January is cold.
Avg High
30.5°F
Avg Low
14.7°F
Precipitation
1.30 in
Daylight
9h 17m
January records in Sugar Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 46.0°F (2000) | -14.8°F (2018) | 0.38 in (2005) |
| January 2 | 60.1°F (2000) | -15.9°F (2018) | 0.30 in (2006) |
| January 3 | 48.9°F (2023) | -11.7°F (2014) | 0.93 in (2023) |
| January 4 | 50.0°F (2007) | -17.0°F (1999) | 0.85 in (2007) |
| January 5 | 50.0°F (2007) | -27.0°F (1999) | 0.10 in (2003) |
| January 6 | 60.1°F (2008) | -17.9°F (2018) | 0.16 in (2024) |
| January 7 | 64.0°F (2008) | -18.0°F (1999) | 0.53 in (2019) |
| January 8 | 60.1°F (2026) | -8.9°F (2014) | 0.69 in (2008) |
| January 9 | 59.0°F (2026) | -11.9°F (1999) | 0.54 in (2024) |
| January 10 | 55.0°F (2018) | -13.9°F (2010) | 0.90 in (2020) |
| January 11 | 57.9°F (2018) | -5.1°F (1999) | 0.32 in (2017) |
| January 12 | 57.9°F (2005) | -1.8°F (2009) | 0.75 in (2005) |
| January 13 | 50.0°F (2026) | -12.8°F (2009) | 0.49 in (2006) |
| January 14 | 44.1°F (2016) | -14.8°F (2009) | 0.44 in (2007) |
| January 15 | 44.1°F (2016) | -23.8°F (2009) | 0.11 in (2007) |
| January 16 | 50.0°F (2023) | -32.8°F (2009) | 0.81 in (2017) |
| January 17 | 48.0°F (2025) | -7.8°F (2018) | 0.40 in (1999) |
| January 18 | 44.1°F (2022) | -5.8°F (2009) | 0.44 in (2020) |
| January 19 | 55.0°F (2006) | -5.8°F (2008) | 0.22 in (2017) |
| January 20 | 45.0°F (2017) | -7.8°F (2008) | 0.13 in (2017) |
| January 21 | 59.0°F (2017) | -14.1°F (2000) | 0.71 in (1999) |
| January 22 | 55.0°F (2018) | -5.8°F (2011) | 0.82 in (2018) |
| January 23 | 46.0°F (2002) | -11.0°F (2026) | 0.67 in (1999) |
| January 24 | 43.0°F (2010) | -16.8°F (2008) | 0.48 in (2010) |
| January 25 | 48.0°F (2002) | -19.8°F (2008) | 0.27 in (2024) |
| January 26 | 52.0°F (2002) | -23.8°F (2019) | 0.28 in (2024) |
| January 27 | 57.9°F (2002) | -24.9°F (2019) | 0.54 in (2013) |
| January 28 | 73.0°F (2000) | -14.8°F (2014) | 0.73 in (2006) |
| January 29 | 64.0°F (2013) | -12.8°F (2019) | 1.12 in (2013) |
| January 30 | 53.1°F (2000) | -26.9°F (2019) | 0.42 in (2013) |
| January 31 | 55.9°F (2012) | -31.9°F (2019) | 0.86 in (2025) |