Climate guide for Arches National Park, United States

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Arches National Park

How to read the score (0–10)
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About Arches National Park

Arches National Park is a nature and wildlife destination in United States. Plan around cooler months from late autumn through early spring for more reliable conditions, then drill into monthly scores when you need finer timing for nature travel. Use the monthly scores to plan outdoor time around temperature, rainfall, humidity, daylight and sunny days.

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Travel Tips

Timing & weather
Check Arches National Park's monthly climate scores before locking flights - desert patterns shift comfort for nature trips across the year.
Getting around
Bring broken-in footwear, a rain layer, and offline maps for Arches National Park. Check trail, road, and weather conditions before setting out, because outdoor access can change quickly.
Tickets & access
Book timed entry for Arches National Park when offered - peak hours sell out and same-day queues can erase half a day.
Pack for the profile
Bring broken-in footwear, a rain layer, and offline maps for Arches National Park. Check trail, road, and weather conditions before setting out, because outdoor access can change quickly.

Things to do in Arches National Park

Arches National Park, United States. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Arches National Park: the short answer

The best time to visit Arches National Park is May, followed by September, April. Those months combine the most usable temperatures with the fewest lost days to rain: May averages 15°C with 12 mm of rain and about 31 sunny days. The months to avoid unless you have a specific reason are December, January. If budget matters more than perfect weather, February is the strongest of the low-rate months at 6.1/10.

Across the year Arches National Park swings from -2°C in January to 27°C in July, a 28-degree spread, while rainfall ranges from 12 mm in May to 50 mm in August. That is the whole planning problem in one sentence: Arches National Park is not equally good year-round, and the difference between the best and worst month here is 5.1 points on a 10-point scale.

Warmest month: July (27°C). Coolest: January (-2°C). Driest: May (12 mm). Wettest: August (50 mm).

Arches National Park month by month

January in Arches National Park — the hardest end of the year

Hardest · 4.8/10

January averages -2°C (29°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 4 sunny days and 9.6 daylight hours.

It scores 4.8/10 here, 11th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 5.1 points higher on the same scale.

February in Arches National Park — workable with trade-offs

Trade-offs · 6.1/10

February averages 0°C (32°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 22 mm of rain — occasional showers rather than washed-out days — alongside about 11 sunny days and 10.5 daylight hours.

It scores 6.1/10 here, 9th of 12 months, against 9.9/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 3.8 points higher on the same scale.

March in Arches National Park — reliably good (7th best month)

Good · 7.7/10

March averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 43 mm of rain — occasional showers rather than washed-out days — alongside about 19 sunny days and 11.7 daylight hours.

It scores 7.7/10 here, 7th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 2.2 points higher on the same scale.

April in Arches National Park — the year's strongest window

Best window · 9.5/10

April averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 13 mm for the month, with about 30 sunny days and 13 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 9.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and this is one of the busiest months here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

May in Arches National Park — the year's strongest window

Best window · 9.9/10

May averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rain is a non-issue at 12 mm for the month, with about 31 sunny days and 14.1 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 9.9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

June in Arches National Park — the year's strongest window

Best window · 9.5/10

June averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 30 sunny days and 14.7 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 9.5/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, footwear you can get muddy.

July in Arches National Park — reliably good (8th best month)

Good · 7.4/10

July averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.

Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 31 sunny days and 14.5 daylight hours.

It scores 7.4/10 here, 8th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 2.5 points higher on the same scale.

August in Arches National Park — the year's strongest window

Best window · 8.5/10

August averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 50 mm, so plan one flexible day in three; you still get about 31 sunny days and 13.5 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 8.5/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.

September in Arches National Park — the year's strongest window

Best window · 9.8/10

September averages 20°C (69°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 25 sunny days and 12.2 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 9.8/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, footwear you can get muddy.

October in Arches National Park — the year's strongest window

Best window · 9/10

October averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 34 mm of rain — occasional showers rather than washed-out days — alongside about 17 sunny days and 11 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Arches National Park at 9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

November in Arches National Park — workable with trade-offs

Trade-offs · 6/10

November averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 27 mm of rain — occasional showers rather than washed-out days — alongside about 7 sunny days and 9.8 daylight hours.

It scores 6/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 3.9 points higher on the same scale.

December in Arches National Park — the hardest end of the year

Hardest · 4.8/10

December averages 0°C (32°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 24 mm of rain — occasional showers rather than washed-out days — alongside about 1 sunny days and 9.3 daylight hours.

It scores 4.8/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, May is materially better in Arches National Park — 5.1 points higher on the same scale.

Frequently asked

When is the best time to visit Arches National Park, United States?
In Ideal Weather mode, the best months to visit Arches National Park are May, September, April, June, October. May is the single peak month with an Ideal Weather score of 9.9/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Arches National Park year-round?
Arches National Park has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from -2°C in January to 27°C in July, with Ideal Weather scores between 4.8 and 9.9 out of 10.
Which months should I avoid in Arches National Park?
The lowest Ideal Weather-scoring months in Arches National Park are January (4.8/10), December (4.8/10), November (6.0/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Arches National Park?
August is the wettest month in Arches National Park, averaging about 50 mm of rainfall. May is the driest, at roughly 12 mm.
Which is the sunniest month in Arches National Park?
May sees the most sun in Arches National Park, with about 31 sunny days on average - ideal for outdoor plans.
Is Arches National Park a good destination for nature and wildlife travel?
Arches National Park is well suited to nature and wildlife travel. Its highest Ideal Weather window (May, September, April, June, October) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Arches National Park calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Arches National Park: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for nature and wildlife travel.

Explore by month

Curated in Arches National Park

Tickets & experiences