January weather in Waterbury, CT
The average temperature in Waterbury in January is °F (°F–°F). Average precipitation: 3.43 inches.
January is a winter month in Waterbury, and is cooler than the annual average of 0°F. Daylight averages about 9h 18m.
Avg High
°F
Avg Low
°F
Precipitation
3.43 in
Daylight
9h 18m
January records in Waterbury
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 50.0°F (2012) | 10.0°F (2014) | 0.95 in (2019) |
| January 2 | 55.0°F (2011) | 7.0°F (2013) | 0.35 in (2021) |
| January 3 | 48.0°F (2011) | 5.0°F (2013) | 0.42 in (2014) |
| January 4 | 39.0°F (2017) | -9.0°F (2014) | 0.60 in (2023) |
| January 5 | 50.0°F (2017) | -9.0°F (2014) | 0.52 in (2018) |
| January 6 | 50.0°F (2014) | -9.0°F (2014) | 0.86 in (2019) |
| January 7 | 55.0°F (2014) | 3.0°F (2014) | 1.01 in (2024) |
| January 8 | 57.0°F (2012) | 0.0°F (2015) | 0.44 in (2011) |
| January 9 | 46.0°F (2013) | -2.0°F (2017) | 0.41 in (2019) |
| January 10 | 45.0°F (2013) | -4.0°F (2017) | 3.19 in (2024) |
| January 11 | 57.0°F (2016) | 1.0°F (2015) | 1.24 in (2016) |
| January 12 | 57.0°F (2014) | 7.0°F (2015) | 0.87 in (2011) |
| January 13 | 59.0°F (2017) | 16.0°F (2011) | 1.00 in (2024) |
| January 14 | 48.9°F (2014) | 3.0°F (2011) | 0.08 in (2023) |
| January 15 | 55.0°F (2013) | -6.0°F (2011) | 0.68 in (2014) |
| January 16 | 48.0°F (2014) | -4.0°F (2011) | 0.87 in (2021) |
| January 17 | 42.1°F (2016) | 3.0°F (2012) | 1.20 in (2022) |
| January 18 | 46.0°F (2012) | 9.0°F (2015) | 0.45 in (2017) |
| January 19 | 43.0°F (2015) | 7.0°F (2012) | 1.75 in (2015) |
| January 20 | 48.0°F (2017) | 7.0°F (2012) | 0.97 in (2023) |
| January 21 | 50.0°F (2013) | 12.0°F (2015) | 0.30 in (2011) |
| January 22 | 54.0°F (2017) | 0.0°F (2011) | 0.24 in (2012) |
| January 23 | 52.0°F (2017) | -8.0°F (2011) | 0.72 in (2023) |
| January 24 | 46.0°F (2012) | -11.0°F (2011) | 0.86 in (2017) |
| January 25 | 50.0°F (2012) | -4.0°F (2011) | 1.94 in (2019) |
| January 26 | 43.0°F (2017) | 3.0°F (2013) | 1.59 in (2023) |
| January 27 | 50.0°F (2017) | 3.0°F (2013) | 0.80 in (2011) |
| January 28 | 48.0°F (2012) | 5.0°F (2014) | 0.37 in (2012) |
| January 29 | 45.0°F (2012) | -4.0°F (2015) | 1.23 in (2024) |
| January 30 | 41.0°F (2011) | 0.0°F (2014) | 0.48 in (2019) |
| January 31 | 57.0°F (2013) | 0.0°F (2014) | 1.24 in (2013) |