Early winter · Weather & things to do
Baltimore in December
Baltimore cools off: highs slip to 43°F (6°C), from 55°F in November, with lows of 29°F (-2°C) and about 3.8 in (96 mm) of rain.
With a comfort score of 47/100 (11th of 12), it's one of the toughest months, held back mainly by cool days.

- Avg high
- 43°F (6°C)
- Avg low
- 29°F (-2°C)
- Rain
- 3.8 in (96 mm)
- Humidity
- 85%
- Cloud cover
- 63%
- Daylight
- ~9 h 15 min
- Comfort score
- 47/100 · Fair
What December feels like
Cool days top out near 43°F (6°C), better for brisk walks than lingering outside.
Average lows of 29°F (-2°C) mean frosty nights and icy mornings.
Showers are part of the month, adding up to about 3.8 in (96 mm).
Only about 9 h 15 min of daylight means early sunsets.
Plan around December
December is one of the lower-scoring months here; the best are April & May and September & October.
- Freezing nights return: average lows drop to 29°F.
- Shortest days of the year, about 9 h 15 min of daylight.
- Comfort slips from 70/100 in November to 47/100.
- Our Capital Cities Corridor route recommends Mar – Jun, so December falls outside its suggested window.
What to pack for December
- Insulated jackethighs only 43°F
- Hat, gloves and thermal base layerslows around 29°F
- Shoes with gripfrost and ice are possible
- Packable rain jacket or umbrellaabout 3.8 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Baltimore in December
Weather can go either way, so the picks below mix open-air spots with indoor backups.
National Aquarium
Large aquarium with a rooftop rainforest and Atlantic coral reef exhibit.
The Walters Art Museum
Free museum with armor, ancient art and illuminated manuscripts in Mount Vernon.
Federal Hill Park
Hilltop park with the best view over the Inner Harbor skyline.
The Horse You Came In On Saloon
Fells Point saloon dating to 1775, said to be Poe's last drink stop.
Thames Street Oyster House
Fells Point seafood house known for lobster rolls and raw bar.
Nearby in December
- Washington, DC in December~35 mi · highs 45°F, 3.7 in rain · similar daytime temperatures, about as wet
- Lancaster in December~54 mi · highs 41°F, 3.9 in rain or snow · 1°C (2°F) cooler by day, about as wet
- Kennett Square in December~61 mi · highs 42°F, 4.2 in rain or snow · similar daytime temperatures, about as wet
- Philadelphia in December~90 mi · highs 44°F, 4.4 in rain or snow · similar daytime temperatures, wetter
These averages also cover Fells Point and Inner Harbor & Harbor East.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Baltimore in December: quick answers
Is December a good time to visit Baltimore?
It's one of the tougher months here, scoring 47/100, held back mainly by cool days. The best months are April & May and September & October. Expect highs of 43°F (6°C) and 3.8 in (96 mm) of rain. Our Capital Cities Corridor route recommends Mar – Jun, so December is outside its suggested window.
How cold is Baltimore in December?
Average highs are 43°F (6°C) and average lows 29°F (-2°C), making it the 3rd-coldest month by daytime highs, with nights below freezing on average.
Does it rain a lot in Baltimore in December?
Some: about 3.8 in (96 mm) of rain falls across December on average, the 6th-driest month of the year. The annual total is about 45.7 in (1162 mm).
What should I pack for Baltimore in December?
Bring insulated jacket (highs only 43°F), hat, gloves and thermal base layers (lows around 29°F), shoes with grip (frost and ice are possible), packable rain jacket or umbrella (about 3.8 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Baltimore
Planning Baltimore in December?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.





