January weather in Danbury, CT
The average temperature in Danbury in January is 27.0°F (18.1°F–35.9°F). Average precipitation: 3.06 inches.
January is a winter month in Danbury, and is cooler than the annual average of 49.6°F. Daily temperatures swing about 17.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 19m. For travel, January is cold.
Avg High
35.9°F
Avg Low
18.1°F
Precipitation
3.06 in
Daylight
9h 19m
January records in Danbury
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 57.0°F (2019) | -0.8°F (2018) | 1.30 in (2003) |
| January 2 | 55.9°F (2000) | 1.0°F (2001) | 0.61 in (2006) |
| January 3 | 57.9°F (2000) | -2.7°F (2014) | 2.26 in (1999) |
| January 4 | 66.9°F (2023) | -6.9°F (2014) | 0.65 in (2000) |
| January 5 | 59.0°F (2007) | 1.2°F (2014) | 0.96 in (2019) |
| January 6 | 70.0°F (2007) | 1.2°F (2018) | 0.62 in (2005) |
| January 7 | 59.0°F (2008) | -13.9°F (2018) | 0.84 in (2009) |
| January 8 | 66.0°F (2008) | 2.1°F (2017) | 0.78 in (2007) |
| January 9 | 63.0°F (2008) | -4.9°F (2017) | 3.15 in (2024) |
| January 10 | 59.0°F (2016) | -2.0°F (2004) | 2.08 in (2016) |
| January 11 | 66.0°F (2020) | 1.0°F (2004) | 0.67 in (2014) |
| January 12 | 66.0°F (2020) | 8.1°F (2001) | 1.08 in (2018) |
| January 13 | 61.0°F (2024) | 4.1°F (2011) | 0.90 in (2024) |
| January 14 | 61.0°F (2005) | -3.8°F (2011) | 1.82 in (2006) |
| January 15 | 52.0°F (2007) | -4.9°F (2009) | 0.99 in (1999) |
| January 16 | 50.0°F (2007) | -7.8°F (2009) | 0.63 in (2021) |
| January 17 | 48.9°F (2012) | -9.8°F (2009) | 0.87 in (2022) |
| January 18 | 60.1°F (2006) | -2.0°F (2000) | 4.05 in (1999) |
| January 19 | 48.0°F (2022) | -0.9°F (2003) | 0.75 in (2023) |
| January 20 | 57.0°F (2006) | 3.2°F (2025) | 0.85 in (2019) |
| January 21 | 57.9°F (2006) | -5.8°F (2025) | 0.33 in (1999) |
| January 22 | 54.0°F (2017) | -6.9°F (2025) | 0.34 in (2023) |
| January 23 | 57.0°F (2018) | -7.8°F (2011) | 0.75 in (2006) |
| January 24 | 57.0°F (2019) | -11.7°F (2011) | 1.63 in (2019) |
| January 25 | 57.0°F (2010) | 0.0°F (2026) | 3.00 in (2010) |
| January 26 | 57.0°F (2023) | 2.1°F (2007) | 0.43 in (2023) |
| January 27 | 57.9°F (2002) | 0.0°F (2003) | 0.38 in (2012) |
| January 28 | 55.9°F (2002) | -2.9°F (2003) | 1.11 in (2024) |
| January 29 | 64.0°F (2002) | -9.0°F (2026) | 0.42 in (2019) |
| January 30 | 60.1°F (2006) | -0.9°F (2000) | 0.68 in (2001) |
| January 31 | 60.1°F (2013) | -8.0°F (2026) | 1.01 in (2013) |