Best Time to Visit Yellowstone National Park
USA
☀️
June to September
Best Months
🌧️
December
Avoid
👥
Jun–Sep
Peak Season
🧭
Camping, hiking and RV road trips
Ideal For
Yellowstone National Park climate month by month
Jan
14°
1.5"
Feb
13°
2.1"
Mar
20°
2.2"
Apr
26°
2.2"
May
36°
2.3"
Jun
48°
1.7"
Jul
60°
1.2"
Aug
57°
2.7"
Sep
51°
2.0"
Oct
37°
3.0"
Nov
24°
2.0"
Dec
16°
3.5"
Top number = average temperature (°F), bar = average monthly rainfall (inches). Toggle units above.
🌍 When to go to Yellowstone National Park
Based on recent climate averages (2021–2023, Open-Meteo), Yellowstone National Park is warmest in July (around 16°C / 60°F) and coldest in February (around -11°C / 13°F). Rain is heaviest in December (about 88 mm) and lightest in July (about 30 mm). For comfortable camping and RV travel, aim for June to September.
Data source & date
- Climate values: Open-Meteo (ERA5 reanalysis archive), 2021–2023 daily averages — open-meteo.com ↗
- Retrieved and frozen: 2026-07-20 (values are static, not live-fetched)
- Monthly means are long-run averages, not a forecast — actual weather varies year to year. Season labels are derived from these values; travel advice is editorial.
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