Stamford weather in December: Stamford, Connecticut: normal highs, lows, rain and records for December
Stamford in December has a normal high of 43°F and a normal low of 27°F, a daily mean of 35°F, falling from 47°F on the 1st to 39°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 4.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −3°C, 113 mm of precipitation and 15 cm of snow in December.
- NOAA stationStamford (5 mi N)
- Station IDUSC00067970
- Location41.12°N 73.55°W
- Elevation190 ft (58 m)
- From the center3 miles
- Population139,134
- Jan 38° 22°
- Feb 41° 23°
- Mar 49° 30°
- Apr 62° 40°
- May 72° 50°
- Jun 80° 59°
- Jul 85° 64°
- Aug 83° 63°
- Sep 76° 56°
- Oct 64° 45°
- Nov 53° 35°
- Dec 43° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Stamford in December?
The normal high is 43°F and the normal low 27°F, for a daily mean of 35.0°F. December is 9.1°F cooler than November and 4.9°F warmer than January. December is the 10th warmest month of the year in Stamford and the 5th wettest. Across the month the normal high falls 8°F, from 47°F on December 1 to 39°F on December 31. From one year to the next December's mean temperature typically moves about 3.8°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 31°F and 39°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 47°F | 31°F | 36% | 24% |
| December 8 | 45°F | 29°F | 37% | 24% |
| December 15 | 43°F | 27°F | 37% | 25% |
| December 22 | 41°F | 26°F | 37% | 25% |
| December 31 | 39°F | 24°F | 37% | 24% |
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 | 47°F | 31°F | 36% | 24% | 9 h 30 min |
| December 2 | 47°F | 31°F | 37% | 24% | 9 h 30 min |
| December 3 | 47°F | 30°F | 37% | 24% | 9 h 20 min |
| December 4 | 46°F | 30°F | 37% | 24% | 9 h 20 min |
| December 5 | 46°F | 30°F | 37% | 24% | 9 h 20 min |
| December 6 | 46°F | 29°F | 37% | 24% | 9 h 20 min |
| December 7 | 45°F | 29°F | 37% | 24% | 9 h 20 min |
| December 8 | 45°F | 29°F | 37% | 24% | 9 h 20 min |
| December 9 | 45°F | 29°F | 37% | 24% | 9 h 20 min |
| December 10 | 44°F | 29°F | 37% | 25% | 9 h 20 min |
| December 11 | 44°F | 28°F | 37% | 25% | 9 h 20 min |
| December 12 | 44°F | 28°F | 37% | 25% | 9 h 20 min |
| December 13 | 43°F | 28°F | 37% | 25% | 9 h 20 min |
| December 14 | 43°F | 28°F | 37% | 25% | 9 h 10 min |
| December 15 | 43°F | 27°F | 37% | 25% | 9 h 10 min |
| December 16 | 42°F | 27°F | 37% | 25% | 9 h 10 min |
| December 17 | 42°F | 27°F | 37% | 25% | 9 h 10 min |
| December 18 | 42°F | 27°F | 37% | 25% | 9 h 10 min |
| December 19 | 42°F | 27°F | 37% | 25% | 9 h 10 min |
| December 20 | 41°F | 26°F | 37% | 25% | 9 h 10 min |
| December 21 | 41°F | 26°F | 37% | 25% | 9 h 10 min |
| December 22 | 41°F | 26°F | 37% | 25% | 9 h 10 min |
| December 23 | 41°F | 26°F | 37% | 25% | 9 h 10 min |
| December 24 | 41°F | 26°F | 37% | 25% | 9 h 10 min |
| December 25 | 40°F | 25°F | 37% | 25% | 9 h 10 min |
| December 26 | 40°F | 25°F | 37% | 25% | 9 h 10 min |
| December 27 | 40°F | 25°F | 37% | 25% | 9 h 10 min |
| December 28 | 40°F | 25°F | 37% | 25% | 9 h 10 min |
| December 29 | 40°F | 25°F | 37% | 24% | 9 h 10 min |
| December 30 | 39°F | 25°F | 37% | 24% | 9 h 10 min |
| December 31 | 39°F | 24°F | 37% | 24% | 9 h 20 min |
- Normal high
- 43°FDecember average
- Normal low
- 27°FDecember average
- Precipitation
- 4.44 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 5.8 inmonth total
- Nights at 32°F or colder
- 24
- Daylight
- 9 h 30 min to 9 h 20 minDecember 1 to December 31
- Sunshine
- 65%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00067970; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Stamford in December?
On a given December day the chance of 0.01 inch or more is 37% on average, highest around December 8 (37%). In all, 4.44 in falls on 11 days of a normal December, 1 of them with an inch or more.
In a normal December in Stamford, 24 nights fall to freezing, 3 days stay below freezing all day and snowfall averages 5.8 inches.
Snow falls on 3 days in a normal December.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00067970.
What are the records for December in Stamford?
The warmest December temperature on this station's record (since 1955) is 76°F, on December 7, 1998; the coldest is −13°F, on December 26, 1980. The wettest December brought 9.73 in (1973); the snowiest, 18.8 inches (1960).
Source: records: ACIS, station USC00067970. Records and recent months use complete months only.
How does December in Stamford compare across Connecticut?
Across the 13 places PlainClimate covers in Connecticut, December normal highs run from 35°F in Norfolk to 44°F in Groton; Stamford's is 43°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.