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Best Time to Visit Gateway Arch National Park

Pick a month. Best months are in bold.

The best months to visit Gateway Arch National Park are April, September and October — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (476,195 monthly visits); January is quietest at 11% of peak.

Bring for Gateway Arch in April

  1. Rain shell + pack coverSee it on AmazonWhy: 4.5″ of precipitation is normal this month.
  2. Waterproof bootsSee it on AmazonWhy: 4.5″ of precipitation is normal this month.
  3. Water bottles for the daySee it on AmazonWhy: hydration is one of the NPS Ten Essentials.

April is one of Gateway Arch's best months. Going in another month? Pick it in the month row above: each month page has its own list.

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Best months for fewer crowds

The quietest months at Gateway Arch, leaving out harsh weather and months when main access is typically closed.

Gateway Arch in January11% of the July peakGateway Arch in February13% of the July peakGateway Arch in December20% of the July peak

Monthly crowd curve

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Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.

looking up at the curve of the Gateway Arch against the sky
Gateway Arch National Park — photo: NPS Photo/Sue Ford (public-domain NPS media)

Gateway Arch month by month

MonthVerdictAvg visits% of peakHigh / LowPrecipDaylight
January Shoulder 51,77611% 40°F / 24°F2.5″9.8h
February Shoulder 61,81713% 46°F / 28°F2.0″10.8h
March Shoulder 166,10335% 56°F / 36°F3.3″11.9h
April Best window 150,88732% 68°F / 46°F4.5″13.2h
May Shoulder 170,78936% 77°F / 57°F4.8″14.3h
June Shoulder 234,10349% 86°F / 65°F4.4″14.9h
July Peak crowds 476,195100% 89°F / 69°F3.7″14.6h
August Shoulder 217,26046% 88°F / 66°F3.7″13.7h
September Best window 139,93129% 81°F / 57°F3.4″12.5h
October Best window 125,73326% 69°F / 46°F3.1″11.2h
November Shoulder 104,14522% 55°F / 36°F3.3″10.1h
December Shoulder 93,01420% 44°F / 29°F2.3″9.5h

Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station CAHOKIA ST LOUIS AP, IL US (4 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.

How many people visit Gateway Arch each year

Gateway Arch National Park had 2,209,028 recreation visits in 2025, 14% fewer than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2024, with 2,563,052. Over 2021–2025 it averaged 1,991,753 visits a year, which makes it the 16th most-visited of the 63 national parks.

YearRecreation visitsvs. year before
20252,209,028−14%
20242,563,052+6%
20232,422,836+50%
20221,618,774+41%
20211,145,081+136%
2020486,021−76%
20192,055,309+2%
20182,016,180+44%
20171,398,188+10%
20161,271,855−25%
20151,698,656—

Calendar-year recreation visits as published by NPS Visitor Use Statistics. 2020 is shown here but left out of the monthly averages above, because the COVID-19 pandemic makes it unrepresentative. See how every park compares: all 63 parks ranked by visits.

What to pack for Gateway Arch in April

Computed from April's weather normals — Gateway Arch's best month above. Visiting another month? Each month page has its own weather-computed list.

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Common questions

What is the best month to visit Gateway Arch?

April, September and October rank best for Gateway Arch on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight. The numbers are on Gateway Arch in April.

What is the most crowded month at Gateway Arch?

July: an average of 476,195 recreation visits (NPS, 2021–2025). The quietest is January, at 11% of the July peak.

When is Gateway Arch least crowded with decent conditions?

January. It is the park's quietest month (11% of the July peak, 51,776 average visits) without harsh-season weather.

How many people visit Gateway Arch per year?

Gateway Arch National Park had 2,209,028 recreation visits in 2025, 14% fewer than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2024, with 2,563,052. Over 2021–2025 it averaged 1,991,753 visits a year (how we average NPS counts).

What is the weather like at Gateway Arch through the year?

The warmest month is July, with average highs of 89°F. The coldest nights come in January, averaging 24°F. The wettest month is May, with 4.8″ of precipitation. (NOAA 1991–2020 normals, CAHOKIA ST LOUIS AP, IL US station.)

Gateway Arch month by month: notes from the park service

Each month page carries the full note and the NPS page it comes from.

Dive into a month

Gateway Arch in JanuaryGateway Arch in FebruaryGateway Arch in MarchGateway Arch in AprilGateway Arch in MayGateway Arch in JuneGateway Arch in JulyGateway Arch in AugustGateway Arch in SeptemberGateway Arch in OctoberGateway Arch in NovemberGateway Arch in December

Comparing parks for the same trip? See how Gateway Arch ranks against all 63 parks in April, September and October.

Last verified 2026-09-24 · all parks

Nearby parks and their best months

Mammoth Cave

About 240 mi away (straight line) · KY

Best months: January, February and November

Best time to visit Mammoth Cave

Indiana Dunes

About 260 mi away (straight line) · IN

Best months: March, April and May

Best time to visit Indiana Dunes

Hot Springs

About 330 mi away (straight line) · AR

Best months: January, September and October

Best time to visit Hot Springs

Great Smoky Mountains

About 430 mi away (straight line) · TN/NC

Best months: April, May and August

Best time to visit Great Smoky Mountains

Distance between park coordinates (Wikidata). Best month from the same NPS crowds × NOAA weather × daylight score as every park page. Methodology.