WinterOff season ~42°F highs

Things to do in Sheridan in December

December is off season (quieter, and often cheaper) to visit Sheridan, with average highs around 42°F. Museums and indoor sights come into their own, with fewer crowds outside.

Plan a December weekend Where else in December

Best picks for December

What's famous here, weighted toward what shines in December.

Old Faithful

geyser in Yellowstone National Park in Wyoming, United States

Grand Prismatic Spring

natural hot spring within Yellowstone National Park

3Indoor escape

Holidays in December 2026

Christmas Day · Fri, Dec 25

Expect busier roads and pricier stays around these dates. See long weekends.

Sheridan in December: quick answers

Is December a good time to visit Sheridan?

December is off season (quieter, and often cheaper) to visit Sheridan, with average highs around 42°F. Museums and indoor sights come into their own, with fewer crowds outside.

What is the weather like in Sheridan in December?

Average daytime highs are around 42°F, compared with 83°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Sheridan in December?

Top picks for December: Old Faithful, Grand Prismatic Spring, Buffalo Bill Center of the West, Wyoming Dinosaur Center, Morning Glory Pool.