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Yellowstone, USA · Temperate

Yellowstone in January: go or not?

Tough period. Yellowstone in January only reaches 0.9/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 44.43°N · 110.59°W
⚡ This month's verdict
Avoid
Yellowstone · January
0.9
-12–-6°
Temperature
37%
Rain
4h
Sun
🏛️ Heritage🌧️ Moderate rain☔ Indoor sights
Photo : Seth Cottle via Unsplash
The month in detail

What to expect in January

Winter in Yellowstone is cool (-6.0°F during the day). Days are short (4.3h of sunshine) but the city reveals a different side. Expect rain on 37.0% of days — a light raincoat in the bag is recommended.

January ranks 8 out of 12 months in Yellowstone. Compared to December: −2°F daytime, 5 pts fewer rainy days, +0.8h of sun per day.

This month's conditions

What it's like in January

UV index
2 · low
no protection needed
Feels like
dry air
-11°
Daylight
9.0h of daylight
Air quality
good
AQI 36
Compare

Is January the right month?

The best month in Yellowstone is July (8.1/10), 7.2 pts higher than January.

See July →See all 12 months →
Context

Our verdict

Yellowstone, the 1st national park in the world (created 1872): 3,470 sq miles in Wyoming-Montana-Idaho (USA), sitting on a dormant super-volcano, unique geothermal landscapes (geysers, colored hot springs, fumaroles).

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Yellowstone

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.

Country · USA

🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety Very safe · 1/5
💰Cost of living Expensive · 4/5

🌡️ Climate

🌍Climate typeTemperate
📈Climate trend Stable
🔥Hottest monthJuly · 72°F
❄️Coolest monthJanuary · 21°F
🌧️Rainiest month February · 50%

🏛️ City break

📅Tourist peak seasonJune → August
Indoor sights Year-round
🚇Public transportGood
Location

Where is Yellowstone ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
USA
Temperate climate with a 8.1 → 0.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
44.43°N · 110.59°W
Questions

Frequently asked questions

What is the best time to visit Yellowstone?
July is the best month with 72°F highs, 46°F lows, 9.1h of sunshine and 28.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Yellowstone get in July?
Yellowstone averages 9.1 sunshine hours per day in July. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Yellowstone?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Yellowstone in July?
In July, overnight lows reach 46°F, while afternoon highs average 72°F.
Is Yellowstone good in winter?
In winter (December-February), Yellowstone scores 0.8/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 7.6/10.
When should you avoid Yellowstone?
February is the most difficult month to visit Yellowstone, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Yellowstone in January?
The average UV index reaches 2 in January in Yellowstone (low), with about 9.0h of daylight. No protection needed.