Arches in December: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 63/100 · #8 of 12 months
December is a solid shoulder-season month to visit Arches National Park: crowds run 25% of the May peak (48,970 average visits), days average 42°F with 9.5 hours of daylight. Computed from NPS and NOAA data.
Crowds in December
Arches averages 48,970 recreation visits in December — 25% of what May, the peak month, draws — the second-quietest month of the year. Trailheads and parking fill accordingly — this is genuine quiet-season territory.
Weather & daylight
Days are cold (highs average 42°F), and nights drop below freezing (lows average 24°F). It is typically dry (0.6″ of precipitation). Mid-month daylight runs 9.5 hours.
NOAA 1991–2020 monthly normals, station ARCHES NP HQS, UT US (9 mi from park coordinates, 4,093 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of December.
What to pack for Arches in December
Computed from the month's weather normals above — not a generic list.
- Insulated jacket, beanie and gloves — nights average 24°F, below freezing
- Headlamp — only 9.5 hours of daylight in mid-December
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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If your dates are flexible, consider shifting: The computed best months for Arches are February and March.
Also at their best in December
Other parks whose computed December verdict is a best window — same NPS × NOAA formula:
- American Samoa in December — 17% of peak crowds, highs 88°F, score 66/100
- Everglades in December — 72% of peak crowds, highs 80°F, score 64/100
- Biscayne in December — 77% of peak crowds, highs 80°F, score 62/100
Common questions
Is Arches crowded in December?
No — December is one of the quieter months: 25% of the May peak, averaging 48,970 visits (NPS, 2021–2025).
What is the weather like in Arches in December?
Average highs of 42°F, lows of 24°F, 0.6″ of precipitation (NOAA 1991–2020 normals, ARCHES NP HQS, UT US station).
What should I pack for Arches in December?
Insulated jacket, beanie and gloves; Headlamp; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in December · Last verified 2026-09-12