Stamford Weather in December
Average highs run from 43°F on December 1 to 35°F on December 31, and lows from 23°F to 14°F. Normal precipitation for the month is 3.37 in.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 39°F
- Average low
- 19°F
- Precipitation
- 3.37 in
- Snowfall
- 11.9 in
- Record high
- 60°FDec 25, 2015
- Record low
- -14°FDec 17, 2013
- Chance of a freeze
- 100%
- Daylight
- 9 h 19 min to 9 h 07 min
- Cloud cover
- 74%
- Humidity
- 90%
- Dew point
- 23°F
- Wind
- 6.3 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 |
|---|---|---|---|---|---|---|
| Dec 1 | 43°F | 23°F | 50°F 2020 | 10°F 2019 | 22% | |
| Dec 2 | 43°F | 23°F | 47°F 2020 | 12°F 2019 | 22% | |
| Dec 3 | 43°F | 23°F | 45°F 2012 | 14°F 2024 | 23% | |
| Dec 4 | 42°F | 22°F | 45°F 2022 | 7°F 2024 | 23% | |
| Dec 5 | 42°F | 22°F | 47°F 2012 | -12°F 2025 | 23% | |
| Dec 6 | 41°F | 22°F | 45°F 2017 | -12°F 2025 | 24% | |
| Dec 7 | 41°F | 21°F | 46°F 2011 | 10°F 2019 | 24% | |
| Dec 8 | 41°F | 21°F | 49°F 2022 | -7°F 2019 | 25% | |
| Dec 9 | 40°F | 21°F | 46°F 2022 | -9°F 2025 | 25% | |
| Dec 10 | 40°F | 20°F | 40°F 2019 | -8°F 2025 | 25% | |
| Dec 11 | 40°F | 20°F | 46°F 2015 | 2°F 2018 | 26% | |
| Dec 12 | 40°F | 20°F | 49°F 2015 | -3°F 2013 | 26% | |
| Dec 13 | 39°F | 20°F | 50°F 2015 | -2°F 2013 | 26% | |
| Dec 14 | 39°F | 19°F | 44°F 2015 | 0°F 2013 | 27% | |
| Dec 15 | 39°F | 19°F | 52°F 2015 | -3°F 2017 | 27% | |
| Dec 16 | 38°F | 19°F | 45°F 2015 | -12°F 2016 | 27% | |
| Dec 17 | 38°F | 18°F | 52°F 2021 | -14°F 2013 | 28% | |
| Dec 18 | 38°F | 18°F | 47°F 2023 | -12°F 2013 | 28% | |
| Dec 19 | 37°F | 18°F | 47°F 2023 | -9°F 2020 | 28% | |
| Dec 20 | 37°F | 17°F | 46°F 2025 | -10°F 2016 | 29% | |
| Dec 21 | 37°F | 17°F | 41°F 2018 | -9°F 2016 | 29% | |
| Dec 22 | 37°F | 17°F | 47°F 2018 | -4°F 2024 | 29% | |
| Dec 23 | 36°F | 16°F | 48°F 2013 | -14°F 2024 | 30% | |
| Dec 24 | 36°F | 16°F | 50°F 2015 | -12°F 2024 | 30% | |
| Dec 25 | 36°F | 16°F | 60°F 2015 | -1°F 2022 | 30% | |
| Dec 26 | 36°F | 15°F | 48°F 2015 | -4°F 2024 | 31% | |
| Dec 27 | 36°F | 15°F | 40°F 2016 | -12°F 2017 | 31% | |
| Dec 28 | 35°F | 15°F | 46°F 2014 | -13°F 2017 | 32% | |
| Dec 29 | 35°F | 14°F | 45°F 2023 | -12°F 2017 | 32% | |
| Dec 30 | 35°F | 14°F | 45°F 2024 | -10°F 2017 | 32% | |
| Dec 31 | 35°F | 14°F | 44°F 2024 | -10°F 2017 | 33% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:08 AM, sunset 4:27 PM
- December 31
- sunrise 7:28 AM, sunset 4:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00304575 (Lansing Manor), public domain. Records: NOAA GHCN-Daily, station USC00303322, 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.