Waterbury Weather in January
Average highs run from 38°F on January 1 to 37°F on January 31, and lows from 21°F to 18°F. Normal precipitation for the month is 3.05 in over about 10 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 37°F
- Average low
- 19°F
- Precipitation
- 3.05 in
- Snowfall
- 11.3 in
- Record high
- 74°FJan 13, 2020
- Record low
- -9°FJan 8, 2018
- Chance of a freeze
- 100%
- Daylight
- 9 h 14 min to 10 h 02 min
- Cloud cover
- 64%
- Humidity
- 88%
- Dew point
- 22°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 38°F | 21°F | 48°F 2011 | 9°F 2018 | 36% | 21% |
| Jan 2 | 38°F | 21°F | 53°F 2011 | -2°F 2018 | 35% | 21% |
| Jan 3 | 38°F | 20°F | 54°F 2020 | 1°F 2018 | 35% | 21% |
| Jan 4 | 38°F | 20°F | 44°F 2020 | -5°F 2014 | 35% | 21% |
| Jan 5 | 38°F | 20°F | 49°F 2017 | -3°F 2014 | 35% | 22% |
| Jan 6 | 38°F | 20°F | 51°F 2014 | 3°F 2018 | 35% | 22% |
| Jan 7 | 38°F | 20°F | 55°F 2014 | -8°F 2018 | 35% | 22% |
| Jan 8 | 38°F | 20°F | 61°F 2012 | -9°F 2018 | 34% | 22% |
| Jan 9 | 37°F | 19°F | 44°F 2020 | 1°F 2017 | 34% | 22% |
| Jan 10 | 37°F | 19°F | 46°F 2016 | 1°F 2017 | 34% | 23% |
| Jan 11 | 37°F | 19°F | 56°F 2016 | 6°F 2017 | 34% | 23% |
| Jan 12 | 37°F | 19°F | 58°F 2020 | 15°F 2011 | 34% | 23% |
| Jan 13 | 37°F | 19°F | 74°F 2020 | 15°F 2011 | 33% | 23% |
| Jan 14 | 37°F | 19°F | 49°F 2012 | 2°F 2016 | 33% | 23% |
| Jan 15 | 37°F | 18°F | 54°F 2013 | 2°F 2011 | 33% | 23% |
| Jan 16 | 37°F | 18°F | 44°F 2014 | 7°F 2012 | 33% | 23% |
| Jan 17 | 37°F | 18°F | 55°F 2020 | 7°F 2012 | 32% | 23% |
| Jan 18 | 37°F | 18°F | 50°F 2014 | 15°F 2020 | 32% | 22% |
| Jan 19 | 37°F | 18°F | 41°F 2014 | 12°F 2012 | 32% | 22% |
| Jan 20 | 37°F | 18°F | 45°F 2014 | 10°F 2016 | 32% | 22% |
| Jan 21 | 37°F | 18°F | 50°F 2013 | 7°F 2020 | 31% | 22% |
| Jan 22 | 36°F | 18°F | 53°F 2017 | 3°F 2014 | 31% | 22% |
| Jan 23 | 36°F | 18°F | 55°F 2017 | -1°F 2011 | 31% | 22% |
| Jan 24 | 36°F | 18°F | 56°F 2018 | -2°F 2011 | 31% | 22% |
| Jan 25 | 36°F | 18°F | 54°F 2012 | -3°F 2011 | 31% | 22% |
| Jan 26 | 36°F | 18°F | 43°F 2012 | 9°F 2013 | 30% | 21% |
| Jan 27 | 37°F | 18°F | 52°F 2017 | 9°F 2013 | 30% | 21% |
| Jan 28 | 37°F | 18°F | 55°F 2018 | 10°F 2014 | 30% | 21% |
| Jan 29 | 37°F | 18°F | 49°F 2018 | 11°F 2014 | 30% | 21% |
| Jan 30 | 37°F | 18°F | 43°F 2017 | 5°F 2014 | 30% | 21% |
| Jan 31 | 37°F | 18°F | 54°F 2013 | 5°F 2014 | 30% | 20% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:19 AM, sunset 4:33 PM
- January 31
- sunrise 7:05 AM, sunset 5:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054788 (Meriden Markham Muni AP), public domain. Records: NOAA GHCN-Daily, station USC00060128, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.