January in Yellowstone National Park brings very low temperatures, with daytime highs of -3°C (27°F) and nights around -16°C (3°F). Quite a bit of snowfall is expected, around 70 mm (2.8 in), so pack an umbrella.
January in Yellowstone National Park has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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Pick a month to see the average temperature, rainfall and sunshine in Yellowstone National Park - and find the best time to visit.
44-year average (1976-2026)
Based on our historical records, temperatures in Yellowstone National Park typically stay consistent throughout January, with daily highs averaging around -3°C (27°F). Nights are very cold, with lows typically ranging from -18°C (0°F) to -14°C (7°F).
44-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Yellowstone National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Yellowstone National Park spans 2003 to 2025, revealing these weather extremes.
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
It's wise to bundle up for freezing conditions in Yellowstone National Park in January. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Wet weather is likely, so pack waterproof gear for multiple rainy days.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Yellowstone National Park climate overview or explore weather in the United States of America.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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