WinterOff season ~41°F highs
December is off season (quieter, and often cheaper) to visit Frederick, with average highs around 41°F. Museums and indoor sights come into their own, with fewer crowds outside.
What's famous here, weighted toward what shines in December.
Expect busier roads and pricier stays around these dates. See long weekends.
December is off season (quieter, and often cheaper) to visit Frederick, with average highs around 41°F. Museums and indoor sights come into their own, with fewer crowds outside.
Average daytime highs are around 41°F, compared with 89°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
Top picks for December: Washington County Museum of Fine Arts, Discovery Station, Hagerstown Roundhouse Museum, Lock 24: Rileys Lock, Lock 22: Pennyfield Lock.