Bay Shore Weather in December
Average highs run from 38°F on December 1 to 30°F on December 31, and lows from 27°F to 19°F. Normal precipitation for the month is 2.44 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
- 34°F
- Average low
- 23°F
- Precipitation
- 2.44 in
- Snowfall
- 30.6 in
- Record high
- 63°FDec 4, 2012
- Record low
- -8°FDec 17, 1919
- Chance of a freeze
- 100%
- Daylight
- 8 h 59 min to 8 h 47 min
- Cloud cover
- 80%
- Humidity
- 88%
- Dew point
- 25°F
- Wind
- 14.1 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 | 38°F | 27°F | 61°F 1998 | 9°F 1896 | 55% | 30% |
| Dec 2 | 38°F | 27°F | 55°F 1913 | 9°F 2014 | 55% | 30% |
| Dec 3 | 37°F | 27°F | 57°F 1913 | 11°F 1897 | 55% | 31% |
| Dec 4 | 37°F | 26°F | 63°F 2012 | 11°F 1901 | 55% | 32% |
| Dec 5 | 37°F | 26°F | 57°F 2017 | 12°F 1901 | 55% | 33% |
| Dec 6 | 36°F | 26°F | 63°F 2001 | 14°F 1899 | 55% | 33% |
| Dec 7 | 36°F | 26°F | 53°F 1998 | 11°F 2000 | 55% | 34% |
| Dec 8 | 36°F | 25°F | 48°F 1913 | 5°F 1912 | 55% | 35% |
| Dec 9 | 36°F | 25°F | 52°F 1897 | 7°F 1917 | 55% | 35% |
| Dec 10 | 35°F | 25°F | 54°F 1911 | 11°F 1893 | 55% | 36% |
| Dec 11 | 35°F | 25°F | 56°F 2015 | 6°F 1913 | 56% | 36% |
| Dec 12 | 35°F | 24°F | 59°F 1920 | 8°F 1903 | 56% | 37% |
| Dec 13 | 34°F | 24°F | 52°F 1920 | 0°F 1903 | 56% | 37% |
| Dec 14 | 34°F | 24°F | 56°F 2015 | 0°F 1903 | 56% | 38% |
| Dec 15 | 34°F | 23°F | 56°F 2015 | 1°F 1903 | 56% | 38% |
| Dec 16 | 33°F | 23°F | 63°F 2021 | 2°F 1916 | 56% | 38% |
| Dec 17 | 33°F | 23°F | 51°F 1895 | -8°F 1919 | 56% | 39% |
| Dec 18 | 33°F | 23°F | 46°F 1895 | 4°F 1901 | 56% | 39% |
| Dec 19 | 33°F | 22°F | 50°F 1902 | 5°F 2004 | 56% | 39% |
| Dec 20 | 32°F | 22°F | 50°F 1918 | -1°F 2004 | 57% | 40% |
| Dec 21 | 32°F | 22°F | 56°F 1895 | 0°F 1901 | 57% | 40% |
| Dec 22 | 32°F | 21°F | 51°F 1918 | 5°F 2024 | 57% | 41% |
| Dec 23 | 32°F | 21°F | 50°F 1900 | 7°F 2024 | 57% | 41% |
| Dec 24 | 31°F | 21°F | 58°F 2015 | -2°F 2013 | 57% | 41% |
| Dec 25 | 31°F | 20°F | 56°F 1895 | -2°F 2013 | 57% | 42% |
| Dec 26 | 31°F | 20°F | 56°F 2023 | -2°F 1925 | 57% | 42% |
| Dec 27 | 31°F | 20°F | 53°F 2019 | -2°F 1925 | 57% | 42% |
| Dec 28 | 30°F | 20°F | 52°F 2008 | 0°F 1894 | 58% | 43% |
| Dec 29 | 30°F | 19°F | 48°F 2018 | -1°F 1917 | 58% | 43% |
| Dec 30 | 30°F | 19°F | 52°F 2022 | 4°F 1917 | 58% | 43% |
| Dec 31 | 30°F | 19°F | 48°F 1902 | -2°F 2017 | 58% | 43% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 8:00 AM, sunset 4:59 PM
- December 31
- sunrise 8:20 AM, sunset 5:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00206507 (Petoskey), public domain. Records: NOAA GHCN-Daily, station USC00201468, 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.