Best time to visit Arches.
Photo · NPS / Veronica Verdin · NPS sourceCheck before you go
- Closures, fire restrictions, construction and water: NPS Arches current conditions
- We are independent of the National Park Service. The official pages above are the source of record for anything that changes.
Compare Arches by month.
Three signals for each month: how busy it is against May, the average weather, and how much of the road system is normally open. Tap a month for its full Arches guide. We don't roll these into one "best month" score, because a photographer and a family on school break want different months.
Weather · NOAA normals, Moab (4,053 ft)
| Month | Crowds | Weather | Roads & lodging | What it means |
|---|---|---|---|---|
| January |
Lowest
19% of May · 36K avg
|
Rough
44°F / 21°F (6°C / -6°C)
|
Usually all open
Typical windows · score 100/100
|
Quietest month. Cold days, freezing nights, no campground reservations needed at Devils Garden.Read the January guide |
| February |
Quiet
26% of May · 50K avg
|
Mixed
52°F / 27°F (11°C / -3°C)
|
Usually all open
Typical windows · score 100/100
|
Cool shoulder. Day highs in the low 50s°F, frosty nights. Devils Garden still first-come; visits begin lifting.Read the February guide |
| March |
Busy
74% of May · 144K avg
|
Ideal
65°F / 36°F (18°C / 2°C)
|
Usually all open
Typical windows · score 100/100
|
Reservation season opens March 1 at Devils Garden. Visits nearly triple February's. Comfortable hiking weather.Read the March guide |
| April |
Peak
83% of May · 163K avg
|
Ideal
72°F / 43°F (22°C / 6°C)
|
Usually all open
Typical windows · score 100/100
|
Comfortable spring. Crowds heavy across the scenic drive. NPS recommends entering before 8 a.m. or after 3 p.m.Read the April guide |
| May |
Peak
100% of May · 195K avg
|
Good
83°F / 51°F (28°C / 10°C)
|
Usually all open
Typical windows · score 100/100
|
Peak month. Five-year mean tops the year, and afternoons warm to an 83°F average high.Read the May guide |
| June |
Peak
97% of May · 189K avg
|
Rough
94°F / 59°F (34°C / 15°C)
|
Usually all open
Typical windows · score 100/100
|
Heavy crowds, real heat: a 94°F average high at Moab. NPS advises no strenuous activity from 10 a.m. to 5 p.m.Read the June guide |
| July |
Peak
87% of May · 170K avg
|
Rough
99°F / 66°F (37°C / 19°C)
|
Usually all open
Typical windows · score 100/100
|
Hottest month. NOAA July high 99°F at Moab. Summer monsoon storms possible. Flash-flood risk in washes.Read the July guide |
| August |
Busy
77% of May · 150K avg
|
Rough
96°F / 64°F (36°C / 18°C)
|
Usually all open
Typical windows · score 100/100
|
Still very hot. Monsoon continues. Crowds remain high. Plan trailheads at dawn; mid-day belongs to AC.Read the August guide |
| September |
Peak
84% of May · 163K avg
|
Mixed
88°F / 55°F (31°C / 13°C)
|
Usually all open
Typical windows · score 100/100
|
Heat eases to an 88°F average high. Visits stay high, at 84% of May's.Read the September guide |
| October |
Busy
77% of May · 150K avg
|
Ideal
74°F / 42°F (23°C / 5°C)
|
Usually all open
Typical windows · score 100/100
|
Strong fall shoulder. Pleasant hiking weather, and NPS still calls the park very busy through October.Read the October guide |
| November |
Moderate
44% of May · 86K avg
|
Ideal
57°F / 30°F (14°C / -1°C)
|
Usually all open
Typical windows · score 100/100
|
Crowds drop sharply. Devils Garden reservation window ends Oct 31; Nov is first-come. Cool days, cold nights.Read the November guide |
| December |
Quiet
25% of May · 49K avg
|
Rough
44°F / 22°F (7°C / -6°C)
|
Usually all open
Typical windows · score 100/100
|
Quiet winter. Cold nights, light snow possible. The visitor center closes December 25.Read the December guide |
Open the full Arches crowd calendar
Rain, snow, latest-year counts, and the weather station
The Moab station sits at about 4,053 ft in town, south of the park entrance, not in the park, so conditions on the trails can differ from these numbers. Its 1991-2020 normals show little snow: 4.9 inches in December and under 2 inches in January and February. We have not finished reviewing this station for Arches, so treat the numbers as a preview.
| Month | Visits in 2025 | Rain | Snow |
|---|---|---|---|
| Jan | 31,870 | 0.65″ | 1.7″ |
| Feb | 51,541 | 0.66″ | 1.4″ |
| Mar | 152,554 | 0.70″ | 0.2″ |
| Apr | 162,090 | 0.77″ | 0.0″ |
| May | 193,448 | 0.82″ | 0.0″ |
| Jun | 175,660 | 0.35″ | 0.0″ |
| Jul | 158,207 | 0.92″ | 0.0″ |
| Aug | 150,262 | 0.88″ | 0.0″ |
| Sep | 142,337 | 0.89″ | 0.0″ |
| Oct | 158,262 | 1.03″ | 0.1″ |
| Nov | 84,413 | 0.70″ | 1.0″ |
| Dec | 51,096 | 0.76″ | 4.9″ |
May is the year's peak at Arches, with a five-year mean of about 195,000 recreation visits. We only have monthly counts, so we can't show which weeks in May are busiest. NPS says the park is very busy between March and October, and asks visitors to plan for entrance lines and limited parking, particularly on weekends and holidays.
How these scores are computed (and why there's no combined "best month")
Crowd score
Formula: 100 − (this month's visits ÷ park's peak month visits) × 100. Each park scored against its own peak, not against other parks.
Source: NPS Visitor Use Statistics Data Package 2025, Recreation Visits (TRV), 5-year monthly mean (2021-2025). Reproduce these numbers on the NPS IRMA Stats portal.
Reading it: May at Arches reads 0 (peak). January reads 81 (quietest). A 50 means about half the park's peak crowd.
Weather score
Formula: weatherScore = round(max(0, min(100, dayComfort − precipPenalty − snowPenalty − freezePenalty))). The piecewise day-comfort function is continuous at every boundary.
- Day comfort:
tmax < 50°F →
max(10, (tmax − 20) × 2)(cold tail); 50–60°F →60 + (tmax − 50) × 4(ramp to 100); 60–78°F → 100 (plateau); 78–85°F →100 − (tmax − 78) × 5(ramp to 65); > 85°F →max(30, 65 − (tmax − 85) × 5)(hot tail). - Precip penalty:
max(0, prcpIn − 1.5) × 8; kicks in above 1.5 in / month. - Snow penalty:
snowIn × 2.5. If the selected station does not publish a snowfall normal, the score applies no snow penalty and labels snowfall as unavailable. - Night-freeze penalty:
max(0, 32 − tmin) × 1.5when tmin < 32°F.
Source: NOAA NCEI U.S. Climate Normals 1991-2020, station Moab, UT (USC00425733, 4,053 ft).
Caveat: The Moab station sits at about 4,053 ft in town, south of the park entrance, not in the park, so conditions on the trails can differ from these numbers. Its 1991-2020 normals show little snow: 4.9 inches in December and under 2 inches in January and February. We have not finished reviewing this station for Arches, so treat the numbers as a preview.
Access score
Formula: For each named park road, count it open if its typical operating window covers that month. Score = round((sum of weights of open roads / sum of all weights) x 100). Where a park has a partial winter access mode, the profile documents that assumption in its access notes.
Route weights at Arches:
- Arches Scenic Drive: the year-round paved artery: Year-round access · NPS recommends pre-8 a.m. or post-3 p.m. arrival Mar-Oct
- No timed entry in 2026: 2026 · no timed entry
- Devils Garden Campground; the only in-park lodging: Year-round campground · reservations Mar-Oct · first-come Nov-Feb
- Fiery Furnace, ranger-led tours and self-guided permits: Ranger-led: spring through fall · permits required year-round to enter
- Entry, fees, and passes: Year-round entry
- Heat safety: April through September: Hottest in July and August
- Biological soil crust: stay on rock and washes: Year-round
- Flash floods and lightning: summer monsoon: Summer · monsoon
Editorial methodology: the route weights are chosen by our editors from NPS road and lodge operating dates and the park's own access caveats below the score table.
Caveat: The score reflects wheeled-vehicle road access only. Backcountry, hiking, lodging, shuttle, and other service availability are not directly included unless the park profile states otherwise.
Why no combined score?
A combined "best month" number forces a weighting: how much do you care about crowds vs. weather vs. access? Those weights are personal. A photographer optimizing for golden light weights differently than a parent locked to school break weights differently than a winter visitor with a 4WD. We show the inputs and let you decide. Use the per-month grid above to navigate to a deeper page.
When are roads and lodges open?
Roads, entrances, and lodges by season. Road closures and lodge seasons decide what a month can actually offer. Verify with NPS before you travel; these change.
Last updated · Sep 13, 2026
Arches Scenic Drive: the year-round paved artery
The paved scenic drive runs 18 miles from the park entrance off US 191 to Devils Garden, and the park is normally open year-round, 24 hours a day, per the NPS Arches hours page. NPS says the park is very busy between March and October and recommends entering before 8 a.m. or after 3 p.m. to avoid traffic. On very busy days, when the entrance line backs up to the highway or parking lots fill, the park may temporarily delay new entries, and after a snowfall the road might close for several hours for plowing. Check the NPS Arches conditions page before you drive: it carries the entry delays, closures and fire restrictions in force.
No timed entry in 2026
NPS says no advanced reservation is required to enter Arches in 2026. Fiery Furnace permits, campground reservations, and other activity-specific reservations remain separate. Confirm current guidance on the official NPS Arches trip-planning page.
Devils Garden Campground; the only in-park lodging
Devils Garden is the only campground at Arches (51 sites, including two group sites; no hookups; RV and trailer sites 20 to 40 ft, per NPS campground data). NPS takes reservations for nights between March 1 and October 31 via Recreation.gov; during that busy season the campground is usually full every night per the NPS Arches camping page. November through February campsites are first-come, first-served. NPS lists drinking water and flush and vault toilets at the campground. There is no lodging inside Arches: Moab is the gateway base.
Fiery Furnace, ranger-led tours and self-guided permits
Entering the Fiery Furnace requires either a ranger-guided tour ticket or a self-guided exploration permit per the NPS Arches permits page. Ranger-led tickets are reservable up to seven days in advance and cost $16 per person; self-guided permits are $10 per person. Children under 5 are not permitted on either hike. Ranger-led tours run spring through fall; verify the current schedule and dates on the NPS Arches site before booking.
Entry, fees, and passes
The $30 private vehicle pass and the $55 Arches annual pass remain available. In 2026, the America the Beautiful Annual Pass is $80 for U.S. residents and $250 for nonresidents; the Senior Lifetime Pass is $80 and Senior Annual Pass is $20 for eligible U.S. citizens and permanent residents age 62+. Arches is not one of the 11 parks charging the separate $100 nonresident fee. Verify current terms on the NPS passes page.
Heat safety: April through September
Each year, park rangers respond to hundreds of search-and-rescue incidents in the park, and many involve heat and sun exposure, per the NPS Arches hiking page. NPS says temperatures can pass 85°F from April to September, with July and August the hottest months, often over 100°F, and little shade. It recommends carrying 2 to 3 liters of water per person for front-country hikes and 4 liters or more for the backcountry, and says water is available at the visitor center and Devils Garden Campground, per the NPS Arches safety page. In the hottest weeks the park asks visitors to avoid strenuous activity between 10 a.m. and 5 p.m.
Biological soil crust: stay on rock and washes
Biological soil crust is alive. Young crust is flat and brown and looks like bare earth, and mature crust is bumpy and black. Even a single footprint can kill the crust below it, and damaged crust may take centuries to recover, per the NPS Southeast Utah Group soil crust article. Stay on designated roads, routes, and trails, and where there is no trail, hike in sandy washes or on bare rock.
Flash floods and lightning: summer monsoon
In the summer months, NPS says monsoons can bring heavy rain, flooding, lightning, wind, and hail, and once severe weather hits, the only safe place in the park is inside your car or a building, per the NPS Arches safety page. Flash floods can happen even when it's sunny. Don't cross flooded washes, since even 6 inches of water can knock you off your feet. If you hear thunder, take shelter and wait until you haven't heard it for at least 30 minutes, and stay away from trees and tall rock outcroppings.
Which month fits your trip?
The month table answers most trips. These four decide the date for the rest, and each has its own page with the facts behind it.
Also for Arches: Airports · Fees and passes · Accessibility.
Questions about when to go.
What is the best month to visit Arches?
It depends on what you want. For a balance of crowds, weather, and open roads, October usually works well. If empty trails matter most, look at mid-November to February. For the widest range of open roads and services, aim for April to May, September to October.
When should I avoid Arches?
May is the busiest month, when parking and lodging are tightest. For weather, the tougher month is July, when conditions limit how much you can comfortably do.
What are the quietest months at Arches?
The quietest stretch is January, December, and February. January is the low point, averaging about 36,146 recreation visits, roughly 19% of the May peak.
Which month has the best weather at Arches?
October usually brings Arches's most comfortable conditions, with average highs near 74°F. It is not always the quietest month, so use the month grid above to weigh weather against crowds.
How this page
is built.
Not affiliated with or endorsed
by the National Park Service.
Crowd numbers on this page are the Recreation Visits column from the NPS Visitor Use Statistics Data Package, 2025. Monthly figures are five-year arithmetic means (2021-2025) against each park's own peak month. We do not compare parks against each other for the crowd score: only against themselves.
Weather numbers are NOAA NCEI U.S. Climate Normals 1991-2020, drawn from the Moab, UT station (USC00425733). The station sits at 4,053 ft; the elevation caveat above the weather table explains where this misreads the higher districts.
Access notes are an independent summary of NPS operating posture. We do not republish NPS pages; we link them. Conditions change; confirm road status, reservation requirements, and lodging windows on https://www.nps.gov/arch/index.htm before travel.
Full year-by-year history, records, and the events behind each year: Arches visitation by year.
- Air quality: AirNow.gov; real-time air quality and smoke conditions.
- Park conditions: NPS Arches current conditions, verify before you drive.
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