Hanover weather in December: Hanover, Pennsylvania: normal highs, lows, rain and records for December
Hanover in December has a normal high of 44°F and a normal low of 26°F, a daily mean of 35°F, falling from 48°F on the 1st to 41°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 3.51 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −4°C, 89 mm of precipitation and 11 cm of snow in December.
- NOAA stationHanover (4 mi SW)
- Station IDUSC00363665
- Location39.77°N 77.03°W
- Elevation558 ft (170 m)
- From the center4 miles
- Population16,728
- Jan 39° 21°
- Feb 42° 23°
- Mar 50° 30°
- Apr 63° 40°
- May 72° 50°
- Jun 81° 60°
- Jul 85° 64°
- Aug 84° 62°
- Sep 77° 54°
- Oct 66° 43°
- Nov 54° 33°
- Dec 44° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Hanover in December?
The normal high is 44°F and the normal low 26°F, for a daily mean of 34.7°F. December is 8.9°F cooler than November and 4.5°F warmer than January. December is the 10th warmest month of the year in Hanover and the 9th wettest. Across the month the normal high falls 7°F, from 48°F on December 1 to 41°F on December 31. From one year to the next December's mean temperature typically moves about 4.0°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 48°F | 29°F | 32% | 20% |
| December 8 | 46°F | 27°F | 32% | 20% |
| December 15 | 44°F | 26°F | 32% | 20% |
| December 22 | 42°F | 24°F | 32% | 19% |
| December 31 | 41°F | 23°F | 32% | 18% |
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 | 48°F | 29°F | 32% | 20% | 9 h 40 min |
| December 2 | 48°F | 29°F | 32% | 20% | 9 h 30 min |
| December 3 | 47°F | 28°F | 32% | 20% | 9 h 30 min |
| December 4 | 47°F | 28°F | 32% | 20% | 9 h 30 min |
| December 5 | 47°F | 28°F | 32% | 20% | 9 h 30 min |
| December 6 | 46°F | 28°F | 32% | 20% | 9 h 30 min |
| December 7 | 46°F | 27°F | 32% | 20% | 9 h 30 min |
| December 8 | 46°F | 27°F | 32% | 20% | 9 h 30 min |
| December 9 | 46°F | 27°F | 32% | 20% | 9 h 30 min |
| December 10 | 45°F | 27°F | 32% | 20% | 9 h 30 min |
| December 11 | 45°F | 26°F | 32% | 20% | 9 h 30 min |
| December 12 | 45°F | 26°F | 32% | 20% | 9 h 20 min |
| December 13 | 44°F | 26°F | 32% | 20% | 9 h 20 min |
| December 14 | 44°F | 26°F | 32% | 20% | 9 h 20 min |
| December 15 | 44°F | 26°F | 32% | 20% | 9 h 20 min |
| December 16 | 44°F | 26°F | 32% | 20% | 9 h 20 min |
| December 17 | 43°F | 25°F | 32% | 20% | 9 h 20 min |
| December 18 | 43°F | 25°F | 32% | 19% | 9 h 20 min |
| December 19 | 43°F | 25°F | 32% | 19% | 9 h 20 min |
| December 20 | 43°F | 25°F | 32% | 19% | 9 h 20 min |
| December 21 | 42°F | 25°F | 32% | 19% | 9 h 20 min |
| December 22 | 42°F | 24°F | 32% | 19% | 9 h 20 min |
| December 23 | 42°F | 24°F | 32% | 19% | 9 h 20 min |
| December 24 | 42°F | 24°F | 32% | 19% | 9 h 20 min |
| December 25 | 42°F | 24°F | 32% | 19% | 9 h 20 min |
| December 26 | 41°F | 24°F | 32% | 19% | 9 h 20 min |
| December 27 | 41°F | 24°F | 32% | 19% | 9 h 20 min |
| December 28 | 41°F | 23°F | 32% | 18% | 9 h 20 min |
| December 29 | 41°F | 23°F | 32% | 18% | 9 h 20 min |
| December 30 | 41°F | 23°F | 32% | 18% | 9 h 20 min |
| December 31 | 41°F | 23°F | 32% | 18% | 9 h 20 min |
- Normal high
- 44°FDecember average
- Normal low
- 26°FDecember average
- Precipitation
- 3.51 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 4.5 inmonth total
- Nights at 32°F or colder
- 25
- Daylight
- 9 h 40 min to 9 h 20 minDecember 1 to December 31
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00363665; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Hanover in December?
On a given December day the chance of 0.01 inch or more is 32% on average, highest around December 1 (32%). In all, 3.51 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Hanover, 25 nights fall to freezing, 4 days stay below freezing all day and snowfall averages 4.5 inches.
Snow falls on 2 days in a normal December, and an inch or more covers the ground on 5 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00363665.
What are the records for December in Hanover?
The warmest December temperature on this station's record (since 1993) is 77°F, on December 8, 1998; the coldest is −1°F, on December 7, 2002. The wettest December brought 6.20 in (1996); the snowiest, 23.2 inches (2009).
Source: records: ACIS, station USC00363665. Records and recent months use complete months only.
How does December in Hanover compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, December normal highs run from 34°F in Laporte to 48°F in Marcus Hook; Hanover's is 44°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Hanover in November54°F by day, 33°F at night
- Hanover in January39°F by day, 21°F at night
- Hanover through the yearEvery month, frost dates, records and recent years
- Pennsylvania in DecemberThe statewide normal and the warmest and coolest places
- Marcus Hook: Pennsylvania's warmest Decembernormal high 48°F