Gateway Arch in January: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 67/100 · #11 of 12 months
January is a solid shoulder-season month to visit Gateway Arch National Park: crowds run 11% of the July peak (51,776 average visits), days average 40°F with 9.8 hours of daylight. Computed from NPS and NOAA data.
Crowds in January
Gateway Arch averages 51,776 recreation visits in January — 11% of what July, the peak month, draws — the quietest month of the year. That crowd level sets the tone for parking, permits and lodging — this is genuine quiet-season territory.
Weather & daylight
It is properly cold (highs average 40°F), and nights drop below freezing (lows average 24°F). Average precipitation is 2.5″ for the month. Mid-month daylight runs 9.8 hours.
NOAA 1991–2020 monthly normals, station CAHOKIA ST LOUIS AP, IL US (4 mi from park coordinates, 413 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of January.
What to pack for Gateway Arch in January
Computed from the month's weather normals above — not a generic list.
- Insulated jacket, beanie and gloves — nights average 24°F, below freezing
- Packable rain jacket — 2.5″ of precipitation is normal this month
- Headlamp — only 9.8 hours of daylight in mid-January
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Want quieter or kinder conditions? The computed best months for Gateway Arch are April and September.
Also at their best in January
Other parks whose computed January verdict is a best window — same NPS × NOAA formula:
- Channel Islands in January — 35% of peak crowds, highs 66°F, score 76/100
- Zion in January — 23% of peak crowds, highs 54°F, score 76/100
- Carlsbad Caverns in January — 38% of peak crowds, highs 56°F, score 73/100
- Mammoth Cave in January — 15% of peak crowds, highs 48°F, score 70/100
Common questions
Is Gateway Arch crowded in January?
No — January is one of the quieter months: 11% of the July peak, averaging 51,776 visits (NPS, 2021–2025).
What is the weather like in Gateway Arch in January?
Average highs of 40°F, lows of 24°F, 2.5″ of precipitation (NOAA 1991–2020 normals, CAHOKIA ST LOUIS AP, IL US station).
What should I pack for Gateway Arch in January?
Insulated jacket, beanie and gloves; Packable rain jacket; Headlamp — the full weather-computed list is on this page.
See also: the best national parks to visit in January · Last verified 2026-09-12