Oswego County Weather in December
Average highs run from 40°F on December 1 to 30°F on December 31, and lows from 25°F to 14°F. Normal precipitation for the month is 4.44 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
- 34°F
- Average low
- 19°F
- Precipitation
- 4.44 in
- Snowfall
- 31.5 in
- Record high
- 69°FDec 4, 2012
- Record low
- -12°FDec 14, 2005
- Chance of a freeze
- 100%
- Daylight
- 9 h 12 min to 9 h 00 min
- Cloud cover
- 80%
- Humidity
- 87%
- Dew point
- 27°F
- Wind
- 10.1 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 | 40°F | 25°F | 62°F 1998 | 11°F 1999 | 32% | |
| Dec 2 | 39°F | 24°F | 61°F 1998 | 7°F 2000 | 33% | |
| Dec 3 | 39°F | 24°F | 59°F 2001 | 1°F 2002 | 34% | |
| Dec 4 | 39°F | 24°F | 69°F 2012 | 3°F 2025 | 35% | |
| Dec 5 | 38°F | 23°F | 66°F 1999 | 3°F 2025 | 36% | |
| Dec 6 | 38°F | 23°F | 69°F 2001 | 8°F 2007 | 37% | |
| Dec 7 | 37°F | 22°F | 68°F 1998 | 7°F 2000 | 38% | |
| Dec 8 | 37°F | 22°F | 50°F 2004 | 0°F 2008 | 39% | |
| Dec 9 | 37°F | 22°F | 54°F 2015 | -1°F 2002 | 40% | |
| Dec 10 | 36°F | 21°F | 59°F 2015 | 7°F 2002 | 40% | |
| Dec 11 | 36°F | 21°F | 61°F 2015 | 11°F 2016 | 41% | |
| Dec 12 | 35°F | 21°F | 53°F 2015 | 8°F 2013 | 42% | |
| Dec 13 | 35°F | 20°F | 55°F 2001 | -6°F 2005 | 43% | |
| Dec 14 | 35°F | 20°F | 63°F 2015 | -12°F 2005 | 44% | |
| Dec 15 | 34°F | 19°F | 56°F 2006 | 4°F 2007 | 44% | |
| Dec 16 | 34°F | 19°F | 64°F 2021 | 1°F 2016 | 45% | |
| Dec 17 | 34°F | 19°F | 54°F 1996 | -1°F 2017 | 46% | |
| Dec 18 | 33°F | 18°F | 50°F 2025 | -1°F 2009 | 46% | |
| Dec 19 | 33°F | 18°F | 54°F 2025 | -1°F 2010 | 47% | |
| Dec 20 | 33°F | 18°F | 47°F 2002 | -11°F 2004 | 47% | |
| Dec 21 | 32°F | 17°F | 60°F 2018 | -1°F 2004 | 48% | |
| Dec 22 | 32°F | 17°F | 53°F 2015 | -5°F 2024 | 48% | |
| Dec 23 | 32°F | 16°F | 57°F 2004 | -3°F 2024 | 49% | |
| Dec 24 | 32°F | 16°F | 68°F 2015 | 6°F 1999 | 49% | |
| Dec 25 | 31°F | 16°F | 57°F 2014 | -5°F 1999 | 50% | |
| Dec 26 | 31°F | 15°F | 48°F 2016 | 7°F 2012 | 50% | |
| Dec 27 | 31°F | 15°F | 53°F 2014 | 6°F 2017 | 51% | |
| Dec 28 | 31°F | 15°F | 57°F 2008 | -5°F 2017 | 51% | |
| Dec 29 | 30°F | 14°F | 62°F 2024 | -6°F 2017 | 52% | |
| Dec 30 | 30°F | 14°F | 60°F 2024 | 2°F 2017 | 53% | |
| Dec 31 | 30°F | 14°F | 53°F 2022 | -5°F 1996 | 53% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:18 AM, sunset 4:30 PM
- December 31
- sunrise 7:38 AM, sunset 4:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00306867 (Pulaski), public domain. Records: NOAA GHCN-Daily, station USW00054773, 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.