Greenfield weather in December: Greenfield, Massachusetts: normal highs, lows, rain and records for December
Greenfield in December has a normal high of 40°F and a normal low of 21°F, a daily mean of 30°F, falling from 44°F on the 1st to 35°F by the 31st. Measurable precipitation falls on 13 days in a normal December, 4.73 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 4°C and low of −6°C, 120 mm of precipitation in December.
- NOAA stationGreenfield #3
- Station IDUSC00193229
- Location42.57°N 72.60°W
- Elevation130 ft (40 m)
- From the center3 miles
- Population17,633
- Jan 33° 15°
- Feb 37° 14°
- Mar 45° 23°
- Apr 59° 34°
- May 70° 45°
- Jun 78° 54°
- Jul 83° 59°
- Aug 81° 57°
- Sep 74° 50°
- Oct 62° 39°
- Nov 50° 29°
- Dec 40° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Greenfield in December?
The normal high is 40°F and the normal low 21°F, for a daily mean of 30.1°F. December is 9.2°F cooler than November and 6.1°F warmer than January. December is the 10th warmest month of the year in Greenfield and the 2nd wettest. Across the month the normal high falls 9°F, from 44°F on December 1 to 35°F on December 31. From one year to the next December's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 26°F and 34°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 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 44°F | 24°F | 38% | 24% |
| December 8 | 42°F | 23°F | 39% | 25% |
| December 15 | 40°F | 21°F | 40% | 26% |
| December 22 | 38°F | 19°F | 41% | 26% |
| December 31 | 35°F | 18°F | 42% | 27% |
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 | 44°F | 24°F | 38% | 24% | 9 h 20 min |
| December 2 | 44°F | 24°F | 38% | 24% | 9 h 20 min |
| December 3 | 44°F | 24°F | 38% | 24% | 9 h 20 min |
| December 4 | 43°F | 24°F | 38% | 24% | 9 h 10 min |
| December 5 | 43°F | 23°F | 39% | 24% | 9 h 10 min |
| December 6 | 43°F | 23°F | 39% | 25% | 9 h 10 min |
| December 7 | 42°F | 23°F | 39% | 25% | 9 h 10 min |
| December 8 | 42°F | 23°F | 39% | 25% | 9 h 10 min |
| December 9 | 42°F | 22°F | 39% | 25% | 9 h 10 min |
| December 10 | 41°F | 22°F | 39% | 25% | 9 h 10 min |
| December 11 | 41°F | 22°F | 39% | 25% | 9 h 10 min |
| December 12 | 41°F | 22°F | 39% | 25% | 9 h 10 min |
| December 13 | 40°F | 21°F | 39% | 25% | 9 h 10 min |
| December 14 | 40°F | 21°F | 40% | 25% | 9 h 10 min |
| December 15 | 40°F | 21°F | 40% | 26% | 9 h |
| December 16 | 39°F | 21°F | 40% | 26% | 9 h |
| December 17 | 39°F | 20°F | 40% | 26% | 9 h |
| December 18 | 39°F | 20°F | 40% | 26% | 9 h |
| December 19 | 39°F | 20°F | 40% | 26% | 9 h |
| December 20 | 38°F | 20°F | 41% | 26% | 9 h |
| December 21 | 38°F | 20°F | 41% | 26% | 9 h |
| December 22 | 38°F | 19°F | 41% | 26% | 9 h |
| December 23 | 37°F | 19°F | 41% | 27% | 9 h |
| December 24 | 37°F | 19°F | 41% | 27% | 9 h |
| December 25 | 37°F | 19°F | 41% | 27% | 9 h |
| December 26 | 36°F | 19°F | 42% | 27% | 9 h |
| December 27 | 36°F | 18°F | 42% | 27% | 9 h |
| December 28 | 36°F | 18°F | 42% | 27% | 9 h |
| December 29 | 36°F | 18°F | 42% | 27% | 9 h |
| December 30 | 35°F | 18°F | 42% | 27% | 9 h 10 min |
| December 31 | 35°F | 18°F | 42% | 27% | 9 h 10 min |
- Normal high
- 40°FDecember average
- Normal low
- 21°FDecember average
- Precipitation
- 4.73 inmonth total
- Days with precipitation
- 130.01 inch or more
- Nights at 32°F or colder
- 28
- Daylight
- 9 h 20 min to 9 h 10 minDecember 1 to December 31
- Sunshine
- 62%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00193229; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Greenfield in December?
On a given December day the chance of 0.01 inch or more is 40% on average, highest around December 28 (42%). In all, 4.73 in falls on 13 days of a normal December, 1 of them with an inch or more.
In a normal December in Greenfield, 28 nights fall to freezing and 7 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00193229.
What are the records for December in Greenfield?
The December mean against the 1991-2020 normal of 30.1°F: 2021 33.4°F (+3.3), 2022 31.4°F (+1.3), 2023 36.0°F (+5.9), 2024 28.4°F (−1.7), 2025 24.9°F (−5.2). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 33.4°F | +3.3°F | 3.83 in |
| 2022 | 31.4°F | +1.3°F | 5.47 in |
| 2023 | 36.0°F | +5.9°F | 6.46 in |
| 2024 | 28.4°F | −1.7°F | 4.16 in |
| 2025 | 24.9°F | −5.2°F | 3.44 in |
Source: recent months: ACIS, station USC00193229. Records and recent months use complete months only.
How does December in Greenfield compare across Massachusetts?
Across the 35 places PlainClimate covers in Massachusetts, December normal highs run from 36°F in Pittsfield to 46°F in Edgartown; Greenfield's is 40°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Greenfield in November50°F by day, 29°F at night
- Greenfield in January33°F by day, 15°F at night
- Greenfield through the yearEvery month, frost dates, records and recent years
- Massachusetts in DecemberThe statewide normal and the warmest and coolest places
- Edgartown: Massachusetts's warmest Decembernormal high 46°F