Best Time to Visit Gateway Arch National Park
OctoberBest month to visit
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Visit Gateway Arch in October
October offers pleasant weather with noticeably thinner crowds (shoulder season). For comparison, July is the most crowded month (~2.9× the average month) and January is the quietest.
Annual visits
2.2M
2025
Busiest month
Jul
2.9× avg
Quietest month
Jan
0.3× avg
10-yr trend
rising
+37.8%
More photos of Gateway Arch
Photos courtesy of the National Park Service (public domain).
How crowded is Gateway Arch by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1979–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Avg high / low | Daylight |
|---|---|---|---|---|
| January | Very quiet | 43 Poor | 41°F / 22°F | 9.6 h |
| February | Very quiet | 44 Poor | 46°F / 26°F | 10.5 h |
| March | Average | 50 Fair | 56°F / 35°F | 11.7 h |
| April | Average | 66 Good | 68°F / 45°F | 13.0 h |
| May | Average | 76 Excellent | 76°F / 56°F | 14.1 h |
| June | Busy | 66 Good | 85°F / 65°F | 14.7 h |
| July | Very busy | 38 Poor | 89°F / 69°F | 14.4 h |
| August | Busy | 64 Good | 87°F / 67°F | 13.5 h |
| September | Average | 77 Excellent | 80°F / 59°F | 12.2 h |
| October★ best | Quiet | 67 Good | 70°F / 46°F | 11.0 h |
| November | Quiet | 54 Fair | 56°F / 35°F | 9.9 h |
| December | Quiet | 39 Poor | 45°F / 27°F | 9.3 h |
Climate normals (1991–2020) from the nearest NOAA station (USC00111160, ~4.1 mi away).
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About visiting Gateway Arch
Gateway Arch National Park is a National Park in MO and one of the busier parks in the system, drawing about 2.2 million recreation visits in 2025. Visitation has climbed over the past decade, up roughly 37.8%, so crowds are trending heavier each year. Crowds concentrate sharply by season: July is the busiest month at about 2.9× the park's average month, while January is the calmest at roughly 0.3× — a 10-to-1 swing between high and low season. Roughly 48% of the year's visitors arrive in the three summer months of June, July and August alone, so timing a trip outside that window is the single biggest lever on how crowded the park feels. Weather swings from an average high-season warmth near 79°F in July down to about 31°F in January, with the wettest stretch in July. About 7 months a year see comfortable average temperatures in the 50–80°F range, which is part of why crowd timing and weather timing don't always line up. The sweet spot is October: pleasant weather with noticeably thinner crowds (shoulder season). Visit then and you trade a little peak-season certainty for noticeably shorter lines and easier parking than the July rush. Daylight ranges from about 9.3 hours in midwinter to 14.7 hours near the summer solstice, which shapes how much ground you can cover in a day. A standard private-vehicle entrance pass runs about $19, valid for several days, so a shoulder-season trip stretches that fee across quieter, more comfortable days. These crowd figures are drawn from 1979–2025 of National Park Service visitor-use records, paired with 1991–2020 NOAA climate normals, and are updated as new monthly data is released.
Park overview
Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, and Dred and Harriet Scott, who sued for their freedom in the Old Courthouse.
Weather & conditions
Normal Daily Mean Temperature (in degrees Fahrenheit)* January - 29.3 February - 33.9 March - 45.1 April - 56.7 May - 66.1 June - 75.4 July - 79.8 August - 77.6 September - 70.2 October - 58.4 November - 46.2 December - 33.9 Average Percent of Days with Sunshine* January - 50% February - 52% March - 54% April - 56% May - 59% June - 66% July - 68% August - 65% September - 63% October - 60% November - 46% December - 53% *Source: National Oceanic and Atmospheric Administration
Park overview text courtesy of the National Park Service — official park site.
Where to stay near Gateway Arch
Hotels, cabins, lodges and vacation rentals near Gateway Arch National Park — live availability and prices to plan your trip. October is our pick for the best balance of light crowds and good weather.
Top-rated places to stay near Gateway Arch
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Getting to Gateway Arch
The nearest airport is Lambert-St. Louis International Airport (STL), about 14 mi (22 min drive) away. Most visitors reach Gateway Arch by car.
Entrance fees
A standard private-vehicle entrance pass is about $19, typically valid for several days.
Frequently Asked Questions
October offers pleasant weather with noticeably thinner crowds (shoulder season) at Gateway Arch National Park. The park is busiest in July (about 2.9× the average month) and quietest in January.
July is the busiest month at Gateway Arch National Park, running roughly 2.9 times the park's average monthly visitation.
January is the quietest month at Gateway Arch National Park, at about 0.3× the average month — a good choice if you want to avoid crowds.
Gateway Arch National Park recorded about 2,209,028 recreation visits in 2025. Visitation has been rising over the past decade (+37.8%).
Based on 1991–2020 climate normals, the warmest month at Gateway Arch National Park averages about 79°F (July). See the month-by-month table above for the full picture.
Lambert-St. Louis International Airport (STL) is the closest airport to Gateway Arch National Park, about 14 mi (22 min drive) away.
Nearby parks to visit
Keep exploring
Water quality of lakes near Gateway Arch
If you are planning to swim, paddle or fish on this trip, these graded lakes are within a 40-mile drive. Grades are A–F from EPA and state-agency sampling.
- Lake Wauwanoka water qualityGrade A · 33 mi · MO
- Lake Tishomingo water qualityGrade C · 31 mi · MO
- L Ste Louise Lake water qualityGrade C · 35 mi · MO
- L. Ste. Louise Lake water qualityGrade C · 35 mi · MO
- Callaway Fork Lake water qualityGrade C · 36 mi · MO
Sources: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI U.S. Climate Normals 1991–2020. Crowd index = a month's visits ÷ the park's average month.