Get the app

Mid-winter · Weather & things to do

Yellowstone National Park in January

Little changes in Yellowstone National Park from December: highs stay near 20°F (-7°C), lows near 1°F (-17°C), and about 3.2 in (81 mm) of rain or snow falls.

Our comfort score puts it mid-table at 40/100, 9th of 12.

Yellowstone National Park, Wyoming, United States
Avg high
20°F (-7°C)
Avg low
1°F (-17°C)
Rain or snow
3.2 in (81 mm)
Humidity
98%
Cloud cover
75%
Daylight
~9 h 01 min
Comfort score
40/100 · Tough

What January feels like

Real cold sets in, with afternoon highs around 20°F (-7°C).

Nights drop below freezing, with an average low of 1°F (-17°C), so expect frost and ice.

About 3.2 in (81 mm) of rain or snow falls in the month, and with temperatures averaging below freezing, much of it may come as snow.

Skies are often grey, with average cloud cover around 75%.

Daylight is short, roughly 9 h 01 min mid-month, so start sightseeing early.

Yellowstone National Park: January compared with the months either side
DecemberJanuaryFebruary
Avg high19°F-7°C20°F-7°C21°F-6°C
Avg low1°F-17°C1°F-17°C2°F-17°C
Rain/snow3.6 in91 mm3.2 in81 mm3.0 in75 mm
Daylight8 h 40 min9 h 01 min10 h 13 min
Comfort384040

Plan around January

January sits mid-table; the best months are July – September.

What to pack for January

What to do in Yellowstone National Park in January

With highs near 20°F, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.

Nearby in January

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.

Yellowstone National Park in January: quick answers

Is January a good time to visit Yellowstone National Park?

It's middling, scoring 40/100. The best months are July – September, at up to 97. Expect highs of 20°F (-7°C) and 3.2 in (81 mm) of rain or snow. Our Glacier to Yellowstone route recommends Jun – Sep, so January is outside its suggested window.

How cold is Yellowstone National Park in January?

Average highs are 20°F (-7°C) and average lows 1°F (-17°C), making it the 2nd-coldest month by daytime highs, with nights below freezing on average.

Does it snow a lot in Yellowstone National Park in January?

Some: about 3.2 in (81 mm) of rain or snow falls across January on average, the 3rd-wettest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 32.8 in (834 mm).

What should I pack for Yellowstone National Park in January?

Bring hat, gloves and thermal base layers (lows around 1°F), insulated, waterproof boots (snow is likely on some days), waterproof outer layer (about 3.2 in of rain or snow) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Planning Yellowstone National Park in January?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

Get TripsCircle