Yellowstone · WinterMonth summary
Yellowstone weather in December
❌ Poor
🌡️ Temperature min / max
-12°C – -5°C
🌧 Rainy days
42% of days
☀️ Sunshine
5.9h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
3.1/10
📅 📅 Best month
July (8.5/10)
Quick decision
Should you visit Yellowstone in December?
❌ Poor
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Yellowstone in December: 42% rain, 5.9h of sunshine. Better to wait for July.
By trip type
Yellowstone in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
🎯 Trails walkable but wet — bring proper footwear and plan sheltered breaks Winter in Yellowstone is cool (-5°C during the day). Days are short (5.9h of sunshine) but the city reveals a different side. Expect rain on 42% of days — a light raincoat in the bag is recommended.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ❄️ January | -12°C | -6°C | 37% | 1.6 | 7.0h | 4.0/10 |
| ❄️ February | -12°C | -6°C | 50% | 2.9 | 7.4h | 3.0/10 |
| ❄️ March | -9°C | -1°C | 45% | 2.1 | 10.0h | 4.1/10 |
| 🌨️ April | -6°C | 3°C | 45% | 2.3 | 11.8h | 4.3/10 |
| 🌦️ May | -2°C | 8°C | 40% | 1.8 | 13.3h | 5.5/10 |
| ⛅ June | 3°C | 15°C | 31% | 1.7 | 14.8h | 7.2/10 |
| 🌤️ July | 8°C | 22°C | 28% | 0.9 | 14.8h | 8.5/10 |
| 🌤️ August | 9°C | 21°C | 29% | 1.4 | 13.0h | 7.9/10 |
| ⛅ September | 5°C | 16°C | 30% | 2.0 | 11.7h | 7.1/10 |
| 🌦️ October | -1°C | 6°C | 38% | 2.2 | 10.0h | 4.3/10 |
| ❄️ November | -7°C | -1°C | 39% | 1.8 | 8.0h | 4.0/10 |
| ❄️ December | -12°C | -5°C | 42% | 2.4 | 5.9h | 3.1/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Yellowstone averages -5°C, 42% rainy days and 5.9h of sunshine per day. Overall weather score: 3.1/10.
See methodology →
Comparison
December vs July (best month)
The best month is July (score 8.5/10). Difference:
- 🌡️ Max temperature : +27°C
- 🌧 Rainy days : -14%
- ☀️ Sunshine : +8.9h/day
FAQ
FAQ — Yellowstone in December
Is December a good time to visit Yellowstone?
December is not recommended for Yellowstone (score 3.1/10). With 42% rainy days and 5.9h of sunshine, consider July (8.5/10) instead.
What's the weather like in Yellowstone in December?
It's cool with -5°C daytime and -12°C at night. 5.9h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
Activities and tours in Yellowstone
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