Annapolis weather in January: Annapolis, Maryland: normal highs, lows, rain and records for January
Annapolis in January has a normal high of 43°F and a normal low of 30°F, a daily mean of 37°F, holding near 43°F all month. The month brings 2.84 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −1°C, 72 mm of precipitation in January.
- 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 January?
The normal high is 43°F and the normal low 30°F, for a daily mean of 36.5°F. January is 4.1°F cooler than December and 1.9°F cooler than February. January is the 12th warmest month of the year in Annapolis and the 11th wettest. Across the month the normal high falls 1°F, from 44°F on January 1 to 43°F on January 31. From one year to the next January's mean temperature typically moves about 4.3°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 32°F and 41°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 44°F | 31°F | – | – |
| January 8 | 43°F | 30°F | – | – |
| January 15 | 43°F | 30°F | – | – |
| January 22 | 43°F | 29°F | – | – |
| January 31 | 43°F | 30°F | – | – |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 21)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 44°F | 31°F | – | – | 9 h 30 min |
| January 2 | 44°F | 31°F | – | – | 9 h 30 min |
| January 3 | 44°F | 31°F | – | – | 9 h 30 min |
| January 4 | 44°F | 30°F | – | – | 9 h 30 min |
| January 5 | 44°F | 30°F | – | – | 9 h 30 min |
| January 6 | 44°F | 30°F | – | – | 9 h 30 min |
| January 7 | 44°F | 30°F | – | – | 9 h 30 min |
| January 8 | 43°F | 30°F | – | – | 9 h 30 min |
| January 9 | 43°F | 30°F | – | – | 9 h 40 min |
| January 10 | 43°F | 30°F | – | – | 9 h 40 min |
| January 11 | 43°F | 30°F | – | – | 9 h 40 min |
| January 12 | 43°F | 30°F | – | – | 9 h 40 min |
| January 13 | 43°F | 30°F | – | – | 9 h 40 min |
| January 14 | 43°F | 30°F | – | – | 9 h 40 min |
| January 15 | 43°F | 30°F | – | – | 9 h 40 min |
| January 16 | 43°F | 30°F | – | – | 9 h 40 min |
| January 17 | 43°F | 30°F | – | – | 9 h 50 min |
| January 18 | 43°F | 30°F | – | – | 9 h 50 min |
| January 19 | 43°F | 30°F | – | – | 9 h 50 min |
| January 20 | 43°F | 30°F | – | – | 9 h 50 min |
| January 21 | 43°F | 29°F | – | – | 9 h 50 min |
| January 22 | 43°F | 29°F | – | – | 9 h 50 min |
| January 23 | 43°F | 30°F | – | – | 10 h |
| January 24 | 43°F | 30°F | – | – | 10 h |
| January 25 | 43°F | 30°F | – | – | 10 h |
| January 26 | 43°F | 30°F | – | – | 10 h |
| January 27 | 43°F | 30°F | – | – | 10 h |
| January 28 | 43°F | 30°F | – | – | 10 h |
| January 29 | 43°F | 30°F | – | – | 10 h 10 min |
| January 30 | 43°F | 30°F | – | – | 10 h 10 min |
| January 31 | 43°F | 30°F | – | – | 10 h 10 min |
- Normal high
- 43°FJanuary average
- Normal low
- 30°FJanuary average
- Precipitation
- 2.84 inmonth total
- Nights at 32°F or colder
- 20
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 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 January?
In a normal January in Annapolis, 20 nights fall to freezing and 4 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013752.
What are the records for January in Annapolis?
The warmest January temperature on Annapolis's official record (since 1894) is 77°F, on January 26, 1950; the coldest is −8°F, on January 22, 1984. The wettest January brought 8.35 in (1978); the snowiest, 34.0 inches (2000).
The January mean against the 1991-2020 normal of 36.5°F: 2021 37.4°F (+0.9), 2022 33.8°F (−2.7), 2023 44.3°F (+7.8), 2024 39.9°F (+3.4), 2025 31.2°F (−5.3), 2026 32.4°F (−4.1). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 37.4°F | +0.9°F | 1.72 in |
| 2022 | 33.8°F | −2.7°F | 5.38 in |
| 2023 | 44.3°F | +7.8°F | 0.16 in |
| 2024 | 39.9°F | +3.4°F | 5.90 in |
| 2025 | 31.2°F | −5.3°F | 1.20 in |
| 2026 | 32.4°F | −4.1°F | 1.11 in |
Source: records: ACIS, NWS threaded record NAKthr; recent months: ACIS, station USW00013752. Records and recent months use complete months only.
How does January in Annapolis compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, January normal highs run from 34°F in Frostburg to 49°F in Snow Hill; Annapolis's is 43°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.