Annapolis weather in December: Annapolis, Maryland: normal highs, lows, rain and records for December
Annapolis in December has a normal high of 47°F and a normal low of 34°F, a daily mean of 41°F, falling from 51°F on the 1st to 44°F by the 31st. The month brings 2.98 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of 1°C, 76 mm of precipitation in December.
- NOAA stationAnnapolis Naf
- Station IDUSW00013752
- Location38.98°N 76.47°W
- Elevation8 ft (2 m)
- Population40,689
- Jan 43° 30°
- Feb 45° 32°
- Mar 53° 38°
- Apr 64° 47°
- May 73° 57°
- Jun 82° 68°
- Jul 86° 72°
- Aug 84° 71°
- Sep 77° 65°
- Oct 67° 52°
- Nov 56° 42°
- Dec 47° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Annapolis in December?
The normal high is 47°F and the normal low 34°F, for a daily mean of 40.6°F. December is 8.7°F cooler than November and 4.1°F warmer than January. December is the 10th warmest month of the year in Annapolis and the 10th wettest. Across the month the normal high falls 7°F, from 51°F on December 1 to 44°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 37°F and 45°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 51°F | 38°F | – | – |
| December 8 | 49°F | 36°F | – | – |
| December 15 | 47°F | 34°F | – | – |
| December 22 | 46°F | 33°F | – | – |
| December 31 | 44°F | 31°F | – | – |
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 | 51°F | 38°F | – | – | 9 h 40 min |
| December 2 | 51°F | 38°F | – | – | 9 h 40 min |
| December 3 | 50°F | 37°F | – | – | 9 h 40 min |
| December 4 | 50°F | 37°F | – | – | 9 h 40 min |
| December 5 | 50°F | 37°F | – | – | 9 h 30 min |
| December 6 | 49°F | 37°F | – | – | 9 h 30 min |
| December 7 | 49°F | 36°F | – | – | 9 h 30 min |
| December 8 | 49°F | 36°F | – | – | 9 h 30 min |
| December 9 | 49°F | 36°F | – | – | 9 h 30 min |
| December 10 | 48°F | 35°F | – | – | 9 h 30 min |
| December 11 | 48°F | 35°F | – | – | 9 h 30 min |
| December 12 | 48°F | 35°F | – | – | 9 h 30 min |
| December 13 | 48°F | 35°F | – | – | 9 h 30 min |
| December 14 | 47°F | 34°F | – | – | 9 h 30 min |
| December 15 | 47°F | 34°F | – | – | 9 h 30 min |
| December 16 | 47°F | 34°F | – | – | 9 h 30 min |
| December 17 | 47°F | 34°F | – | – | 9 h 30 min |
| December 18 | 47°F | 33°F | – | – | 9 h 30 min |
| December 19 | 46°F | 33°F | – | – | 9 h 30 min |
| December 20 | 46°F | 33°F | – | – | 9 h 30 min |
| December 21 | 46°F | 33°F | – | – | 9 h 30 min |
| December 22 | 46°F | 33°F | – | – | 9 h 30 min |
| December 23 | 46°F | 32°F | – | – | 9 h 30 min |
| December 24 | 45°F | 32°F | – | – | 9 h 30 min |
| December 25 | 45°F | 32°F | – | – | 9 h 30 min |
| December 26 | 45°F | 32°F | – | – | 9 h 30 min |
| December 27 | 45°F | 32°F | – | – | 9 h 30 min |
| December 28 | 45°F | 31°F | – | – | 9 h 30 min |
| December 29 | 45°F | 31°F | – | – | 9 h 30 min |
| December 30 | 45°F | 31°F | – | – | 9 h 30 min |
| December 31 | 44°F | 31°F | – | – | 9 h 30 min |
- Normal high
- 47°FDecember average
- Normal low
- 34°FDecember average
- Precipitation
- 2.98 inmonth total
- Nights at 32°F or colder
- 12
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013752; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Annapolis in December?
In a normal December in Annapolis, 12 nights fall to freezing and 1 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013752.
What are the records for December in Annapolis?
The warmest December temperature on Annapolis's official record (since 1894) is 78°F, on December 7, 1998; the coldest is −1°F, on December 22, 1989. The wettest December brought 8.19 in (1983); the snowiest, 16.5 inches (1932).
The December mean against the 1991-2020 normal of 40.6°F: 2021 46.2°F (+5.6), 2022 39.4°F (−1.3), 2023 44.7°F (+4.1), 2024 39.1°F (−1.5), 2025 36.3°F (−4.3). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 46.2°F | +5.6°F | 0.67 in |
| 2022 | 39.4°F | −1.3°F | 4.48 in |
| 2023 | 44.7°F | +4.1°F | 7.96 in |
| 2024 | 39.1°F | −1.5°F | 2.48 in |
| 2025 | 36.3°F | −4.3°F | 1.80 in |
Source: records: ACIS, NWS threaded record NAKthr; recent months: ACIS, station USW00013752. Records and recent months use complete months only.
How does December in Annapolis compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, December normal highs run from 38°F in Frostburg to 52°F in Snow Hill; Annapolis's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.