Gateway Arch National Park in June
In June, Gateway Arch National Park averages a high of 86°F and a low of 65°F, with 4.4 inches of precipitation (rain plus melted snow). About 297,000 people visit, the 2nd busiest of 12 (busy). Days are 14 hours 51 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 86° / 65°F
- Precipitation
- 4.4in
- Snow
- –in
- Daylight
- 14h 51m
- Visitors
- 297,000
- Crowds
- Busy
Best months for weather and crowds instead: March (moderate), October (quiet) and November (quiet).
Weather 1991–2020 averages at Cahokia St Louis AP, IL, 3.7 miles from the park's center, 413 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in June
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Ozark National Scenic Riverways | 85° / 60° | Busy | Hot |
| Mammoth Cave National Park | 88° / 64° | Very busy | Hot |
| Buffalo National River | 81° / 62° | Very busy | Hot |
| Indiana Dunes National Park | 78° / 60° | Very busy | Mild, wet |
| Hot Springs National Park | 88° / 68° | Very busy | Hot |
Closures, reservations and alerts: Gateway Arch National Park on nps.gov
All twelve months at Gateway Arch · National parks to visit in June