Plattsburgh weather in December: Plattsburgh, New York: normal highs, lows, rain and records for December
Plattsburgh in December has a normal high of 34°F and a normal low of 19°F, a daily mean of 26°F, falling from 39°F on the 1st to 30°F by the 31st. Measurable precipitation falls on 12 days in a normal December, 1.76 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 1°C and low of −7°C, 45 mm of precipitation in December.
- NOAA stationPlattsburgh International Airport
- Station IDUSW00064776
- Location44.65°N 73.47°W
- Elevation234 ft (71 m)
- From the center3 miles
- Population19,758
- Jan 28° 10°
- Feb 31° 11°
- Mar 40° 21°
- Apr 54° 33°
- May 68° 44°
- Jun 75° 53°
- Jul 81° 59°
- Aug 79° 57°
- Sep 71° 49°
- Oct 58° 38°
- Nov 46° 29°
- Dec 34° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Plattsburgh in December?
The normal high is 34°F and the normal low 19°F, for a daily mean of 26.4°F. December is 10.8°F cooler than November and 7.3°F warmer than January. December is the 10th warmest month of the year in Plattsburgh and the 9th wettest. Across the month the normal high falls 9°F, from 39°F on December 1 to 30°F on December 31. From one year to the next December's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 22°F and 31°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 39°F | 24°F | 39% | 16% |
| December 8 | 37°F | 21°F | 38% | 16% |
| December 15 | 34°F | 19°F | 38% | 16% |
| December 22 | 32°F | 17°F | 37% | 16% |
| December 31 | 30°F | 14°F | 35% | 14% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 39°F | 24°F | 39% | 16% | 9 h 10 min |
| December 2 | 39°F | 24°F | 39% | 16% | 9 h |
| December 3 | 39°F | 23°F | 39% | 16% | 9 h |
| December 4 | 38°F | 23°F | 39% | 16% | 9 h |
| December 5 | 38°F | 22°F | 39% | 16% | 9 h |
| December 6 | 37°F | 22°F | 38% | 16% | 9 h |
| December 7 | 37°F | 22°F | 38% | 16% | 9 h |
| December 8 | 37°F | 21°F | 38% | 16% | 9 h |
| December 9 | 36°F | 21°F | 38% | 16% | 9 h |
| December 10 | 36°F | 21°F | 38% | 16% | 8 h 50 min |
| December 11 | 36°F | 20°F | 38% | 16% | 8 h 50 min |
| December 12 | 35°F | 20°F | 38% | 16% | 8 h 50 min |
| December 13 | 35°F | 20°F | 38% | 16% | 8 h 50 min |
| December 14 | 34°F | 19°F | 38% | 16% | 8 h 50 min |
| December 15 | 34°F | 19°F | 38% | 16% | 8 h 50 min |
| December 16 | 34°F | 19°F | 38% | 16% | 8 h 50 min |
| December 17 | 34°F | 18°F | 38% | 16% | 8 h 50 min |
| December 18 | 33°F | 18°F | 38% | 16% | 8 h 50 min |
| December 19 | 33°F | 18°F | 38% | 16% | 8 h 50 min |
| December 20 | 33°F | 17°F | 38% | 16% | 8 h 50 min |
| December 21 | 32°F | 17°F | 37% | 16% | 8 h 50 min |
| December 22 | 32°F | 17°F | 37% | 16% | 8 h 50 min |
| December 23 | 32°F | 16°F | 37% | 15% | 8 h 50 min |
| December 24 | 32°F | 16°F | 37% | 15% | 8 h 50 min |
| December 25 | 31°F | 16°F | 36% | 15% | 8 h 50 min |
| December 26 | 31°F | 15°F | 36% | 15% | 8 h 50 min |
| December 27 | 31°F | 15°F | 36% | 15% | 8 h 50 min |
| December 28 | 31°F | 15°F | 36% | 14% | 8 h 50 min |
| December 29 | 30°F | 14°F | 35% | 14% | 8 h 50 min |
| December 30 | 30°F | 14°F | 35% | 14% | 8 h 50 min |
| December 31 | 30°F | 14°F | 35% | 14% | 8 h 50 min |
- Normal high
- 34°FDecember average
- Normal low
- 19°FDecember average
- Precipitation
- 1.76 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 27
- Daylight
- 9 h 10 min to 8 h 50 minDecember 1 to December 31
- Sunshine
- 54%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00064776; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Plattsburgh in December?
On a given December day the chance of 0.01 inch or more is 38% on average, highest around December 1 (39%). In all, 1.76 in falls on 12 days of a normal December.
In a normal December in Plattsburgh, 27 nights fall to freezing and 13 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00064776.
What are the records for December in Plattsburgh?
The warmest December temperature on Plattsburgh's official record (since 1945) is 71°F, on December 24, 2015; the coldest is −21°F, on December 12, 1977. The wettest December brought 5.95 in (1977); the snowiest, 38.5 inches (1977).
The December mean against the 1991-2020 normal of 26.4°F: 2021 29.2°F (+2.8), 2022 29.3°F (+2.9), 2023 32.4°F (+6.0), 2024 26.7°F (+0.3). 4 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 29.2°F | +2.8°F | 1.19 in |
| 2022 | 29.3°F | +2.9°F | 2.95 in |
| 2023 | 32.4°F | +6.0°F | 4.53 in |
| 2024 | 26.7°F | +0.3°F | 1.42 in |
Source: records: ACIS, NWS threaded record PBGthr; recent months: ACIS, station USW00064776. Records and recent months use complete months only.
How does December in Plattsburgh compare across New York?
Across the 131 places PlainClimate covers in New York, December normal highs run from 29°F in Lake Placid to 47°F in Wantagh; Plattsburgh's is 34°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Plattsburgh in November46°F by day, 29°F at night
- Plattsburgh in January28°F by day, 10°F at night
- Plattsburgh through the yearEvery month, frost dates, records and recent years
- New York in DecemberThe statewide normal and the warmest and coolest places
- Wantagh: New York's warmest Decembernormal high 47°F