Best Time to Visit Glacier National Park
USA
☀️
June to September
Best Months
🌧️
December
Avoid
👥
Jun–Sep
Peak Season
🧭
Camping, hiking and RV road trips
Ideal For
Glacier National Park climate month by month
Jan
20°
3.9"
Feb
14°
4.5"
Mar
25°
4.1"
Apr
30°
3.3"
May
41°
4.1"
Jun
51°
4.6"
Jul
63°
1.1"
Aug
60°
3.2"
Sep
51°
2.2"
Oct
38°
3.5"
Nov
23°
5.1"
Dec
17°
5.7"
Top number = average temperature (°F), bar = average monthly rainfall (inches). Toggle units above.
🌍 When to go to Glacier National Park
Based on recent climate averages (2021–2023, Open-Meteo), Glacier National Park is warmest in July (around 17°C / 63°F) and coldest in February (around -10°C / 14°F). Rain is heaviest in December (about 146 mm) and lightest in July (about 29 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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