Joshua Tree in August: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 62/100 · #7 of 12 months
August is a solid shoulder-season month to visit Joshua Tree National Park: crowds run 34% of the March peak (140,063 average visits), days average 102°F with 13.4 hours of daylight. Computed from NPS and NOAA data.
Crowds in August
Joshua Tree averages 140,063 recreation visits in August — 34% of what March, the peak month, draws — the second-quietest month of the year. Trailheads and parking fill accordingly.
Weather & daylight
Days are seriously hot (highs average 102°F), and even nights stay hot (lows average 75°F). It is typically dry (0.3″ of precipitation). Mid-month daylight runs 13.4 hours.
NOAA 1991–2020 monthly normals, station CHIRIACO SUMMIT, CA US (18 mi from park coordinates, 1,706 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of August.
What to pack for Joshua Tree in August
Computed from the month's weather normals above — not a generic list.
- Sun hat, SPF 50+ and 3L+ water capacity — highs average 102°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
If your dates are flexible, consider shifting: The computed best months for Joshua Tree are January and May.
Common questions
Is Joshua Tree crowded in August?
No — August is one of the quieter months: 34% of the March peak, averaging 140,063 visits (NPS, 2021–2025).
What is the weather like in Joshua Tree in August?
Average highs of 102°F, lows of 75°F, 0.3″ of precipitation (NOAA 1991–2020 normals, CHIRIACO SUMMIT, CA US station).
What should I pack for Joshua Tree in August?
Sun hat, SPF 50+ and 3L+ water capacity; 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 August · Last verified 2026-07-16