Lyndon Weather in December
Average highs run from 38°F on December 1 to 30°F on December 31, and lows from 23°F to 12°F. Normal precipitation for the month is 3.18 in over about 17 wet days.
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
- 33°F
- Average low
- 17°F
- Precipitation
- 3.18 in
- Snowfall
- 20.4 in
- Record high
- 60°FDec 2, 2020
- Record low
- -20°FDec 29, 2017
- Chance of a freeze
- 100%
- Daylight
- 9 h 06 min to 8 h 53 min
- Cloud cover
- 75%
- Humidity
- 94%
- Dew point
- 18°F
- Wind
- 5.8 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 | 38°F | 23°F | 55°F 2020 | -1°F 2012 | 51% | 33% |
| Dec 2 | 38°F | 22°F | 60°F 2020 | -3°F 2007 | 52% | 34% |
| Dec 3 | 37°F | 22°F | 45°F 2009 | 3°F 2007 | 52% | 35% |
| Dec 4 | 37°F | 22°F | 50°F 2009 | 4°F 2021 | 52% | 36% |
| Dec 5 | 36°F | 21°F | 48°F 2012 | -9°F 2025 | 52% | 36% |
| Dec 6 | 36°F | 21°F | 45°F 2011 | -8°F 2025 | 53% | 37% |
| Dec 7 | 36°F | 20°F | 46°F 2021 | 0°F 2007 | 53% | 38% |
| Dec 8 | 35°F | 20°F | 46°F 2022 | -11°F 2008 | 53% | 38% |
| Dec 9 | 35°F | 20°F | 45°F 2008 | -14°F 2025 | 53% | 39% |
| Dec 10 | 35°F | 19°F | 45°F 2008 | -11°F 2025 | 53% | 39% |
| Dec 11 | 34°F | 19°F | 45°F 2015 | -5°F 2010 | 53% | 40% |
| Dec 12 | 34°F | 19°F | 48°F 2015 | -5°F 2013 | 54% | 41% |
| Dec 13 | 34°F | 18°F | 47°F 2010 | -9°F 2018 | 54% | 41% |
| Dec 14 | 33°F | 18°F | 45°F 2010 | -14°F 2013 | 54% | 42% |
| Dec 15 | 33°F | 17°F | 48°F 2008 | -13°F 2013 | 54% | 42% |
| Dec 16 | 33°F | 17°F | 46°F 2015 | -16°F 2016 | 54% | 43% |
| Dec 17 | 33°F | 17°F | 54°F 2021 | -18°F 2013 | 54% | 43% |
| Dec 18 | 32°F | 16°F | 48°F 2023 | -16°F 2013 | 55% | 44% |
| Dec 19 | 32°F | 16°F | 54°F 2023 | -10°F 2016 | 55% | 44% |
| Dec 20 | 32°F | 16°F | 50°F 2025 | -9°F 2016 | 55% | 45% |
| Dec 21 | 32°F | 15°F | 38°F 2018 | -7°F 2019 | 55% | 45% |
| Dec 22 | 31°F | 15°F | 50°F 2018 | -7°F 2024 | 55% | 45% |
| Dec 23 | 31°F | 15°F | 45°F 2007 | -13°F 2008 | 55% | 46% |
| Dec 24 | 31°F | 14°F | 46°F 2015 | -8°F 2024 | 55% | 46% |
| Dec 25 | 31°F | 14°F | 55°F 2020 | -8°F 2013 | 55% | 46% |
| Dec 26 | 30°F | 14°F | 55°F 2020 | -9°F 2013 | 55% | 47% |
| Dec 27 | 30°F | 13°F | 41°F 2015 | -11°F 2017 | 55% | 47% |
| Dec 28 | 30°F | 13°F | 46°F 2008 | -19°F 2017 | 55% | 47% |
| Dec 29 | 30°F | 13°F | 41°F 2023 | -20°F 2017 | 55% | 48% |
| Dec 30 | 30°F | 12°F | 45°F 2024 | -19°F 2017 | 55% | 48% |
| Dec 31 | 30°F | 12°F | 47°F 2024 | -15°F 2017 | 55% | 48% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:04 AM, sunset 4:10 PM
- December 31
- sunrise 7:25 AM, sunset 4:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00437054 (Saint Johnsbury), public domain. Records: NOAA GHCN-Daily, station USC00438169, 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.