West Yellowstone Weather in December

West Yellowstone in December sees very low daytime temperatures of -3°C (27°F) and nighttime lows of -16°C (3°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in West Yellowstone in December

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Expect around 16 days of snow based on historical data, with 80 mm (3.1 in) average. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in West Yellowstone in December

December in West Yellowstone brings typical temperatures with highs around -3°C (27°F) and lows of -16°C (3°F). Experience the winter season in December. Expect a distinctly cold feel throughout the day, not just overnight. At -16°C (3°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit West Yellowstone. Our weather planner can help you explore destinations with more pleasant weather conditions.