Troy weather in December: Troy, New York: normal highs, lows, rain and records for December
Troy in December has a normal high of 40°F and a normal low of 25°F, a daily mean of 32°F, falling from 45°F on the 1st to 36°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 3.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 4°C and low of −4°C, 80 mm of precipitation in December.
- NOAA stationTroy Lock and Dam
- Station IDUSC00308600
- Location42.75°N 73.69°W
- Elevation15 ft (5 m)
- From the center1 miles
- Population51,065
- Jan 34° 17°
- Feb 37° 18°
- Mar 46° 26°
- Apr 60° 38°
- May 73° 49°
- Jun 81° 59°
- Jul 86° 64°
- Aug 84° 62°
- Sep 77° 54°
- Oct 64° 43°
- Nov 51° 33°
- Dec 40° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Troy in December?
The normal high is 40°F and the normal low 25°F, for a daily mean of 32.2°F. December is 9.9°F cooler than November and 6.7°F warmer than January. December is the 10th warmest month of the year in Troy and the 7th wettest. Across the month the normal high falls 9°F, from 45°F on December 1 to 36°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 28°F and 36°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 45°F | 29°F | 36% | 22% |
| December 8 | 42°F | 27°F | 35% | 22% |
| December 15 | 40°F | 25°F | 34% | 22% |
| December 22 | 38°F | 23°F | 33% | 21% |
| December 31 | 36°F | 20°F | 33% | 20% |
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 | 45°F | 29°F | 36% | 22% | 9 h 20 min |
| December 2 | 44°F | 29°F | 36% | 22% | 9 h 20 min |
| December 3 | 44°F | 29°F | 36% | 22% | 9 h 20 min |
| December 4 | 44°F | 28°F | 35% | 22% | 9 h 10 min |
| December 5 | 43°F | 28°F | 35% | 22% | 9 h 10 min |
| December 6 | 43°F | 28°F | 35% | 22% | 9 h 10 min |
| December 7 | 43°F | 27°F | 35% | 22% | 9 h 10 min |
| December 8 | 42°F | 27°F | 35% | 22% | 9 h 10 min |
| December 9 | 42°F | 27°F | 35% | 22% | 9 h 10 min |
| December 10 | 41°F | 27°F | 35% | 22% | 9 h 10 min |
| December 11 | 41°F | 26°F | 34% | 22% | 9 h 10 min |
| December 12 | 41°F | 26°F | 34% | 22% | 9 h 10 min |
| December 13 | 40°F | 26°F | 34% | 22% | 9 h |
| December 14 | 40°F | 25°F | 34% | 22% | 9 h |
| December 15 | 40°F | 25°F | 34% | 22% | 9 h |
| December 16 | 39°F | 25°F | 34% | 21% | 9 h |
| December 17 | 39°F | 25°F | 34% | 21% | 9 h |
| December 18 | 39°F | 24°F | 33% | 21% | 9 h |
| December 19 | 39°F | 24°F | 33% | 21% | 9 h |
| December 20 | 38°F | 24°F | 33% | 21% | 9 h |
| December 21 | 38°F | 23°F | 33% | 21% | 9 h |
| December 22 | 38°F | 23°F | 33% | 21% | 9 h |
| December 23 | 37°F | 23°F | 33% | 21% | 9 h |
| December 24 | 37°F | 22°F | 33% | 21% | 9 h |
| December 25 | 37°F | 22°F | 33% | 21% | 9 h |
| December 26 | 37°F | 22°F | 33% | 21% | 9 h |
| December 27 | 37°F | 21°F | 33% | 21% | 9 h |
| December 28 | 36°F | 21°F | 33% | 21% | 9 h |
| December 29 | 36°F | 21°F | 33% | 21% | 9 h |
| December 30 | 36°F | 21°F | 33% | 20% | 9 h |
| December 31 | 36°F | 20°F | 33% | 20% | 9 h |
- Normal high
- 40°FDecember average
- Normal low
- 25°FDecember average
- Precipitation
- 3.15 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 25
- Daylight
- 9 h 20 min to 9 hDecember 1 to December 31
- Sunshine
- 57%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00308600; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Troy in December?
On a given December day the chance of 0.01 inch or more is 34% on average, highest around December 1 (36%). In all, 3.15 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Troy, 25 nights fall to freezing and 8 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00308600.
What are the records for December in Troy?
The warmest December temperature on this station's record (since 1932) is 72°F, on December 25, 2015; the coldest is −15°F, on December 25, 1980. The wettest December brought 6.49 in (1973); the snowiest, 48.2 inches (1969).
Source: records: ACIS, station USC00308600. Records and recent months use complete months only.
How does December in Troy 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; Troy's is 40°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.