June
Finish short walks earlyNPS recommends short nature trails before 9 am. Plan the hot part of the day around a break in a nearby room.
175,980 average visits in June
Choose your summer month
Choose your month around the outings and conditions that matter most.
July
Heat plus monsoon riskMonsoon season begins around mid-July. Check storms as well as heat before a dawn outing or night-sky plan.
136,502 average visits in July
August
Dawn and moonless nightsA moonless summer night favors Milky Way viewing. Check the weather and use a legal viewing or camping location.
140,063 average visits in August
Getting around in summer
Use the season’s access and safety decisions to choose your outing.
Avoid hikes from 10 am to 5 pm
NPS recommends avoiding hiking during these hours. Keep even short nature-trail outings to cooler early hours.
Check storms and campground operation
Summer storms and campground changes need a current check. Low visits do not establish campsite availability.
Things to do in summer
Choose a shorter viewpoint or a longer outing for the actual conditions.
Cap Rock before 9 am
The 0.4-mile loop offers a short outing. It is not a midday-safe exception to the heat guidance.
Brief viewpoint stops
Keep outdoor stops short, carry water and use a nearby room for the hot part of the day.
Moonless summer skies
Use a legal stargazing location for Milky Way viewing. Roadside parking and parking lots are not overnight campgrounds.
Get oriented for summer
Choose an entrance and keep the distance across the desert in mind when planning stops.
- 1 · West Entrance Station
- 2 · North Entrance Station
- 3 · South Entrance
- Park boundary
Where to stay in summer
Choose a nearby room base or a separately planned campsite.
Nearby communities
There are no park lodges or restaurants. Arrange a nearby room and bring the food, water and supplies your park outing needs.
Camping Weekend campgrounds usually fill September–May, while summer operation can change. Check the individual campground rather than infer camping from low visitation.
Joshua Tree summer crowds
The highlighted whole months average 150,848 recreation visits per month. March is the annual peak at 410,905.
Summer months highlightedJune–August
LowestLowModerateHighPeakAverage month: 255,294
Joshua Tree summer temperatures
NOAA 1991-2020 averages at Twentynine Palms, CA (preview station; full station review pending). Elevation and exposure change the experience; use the actual heat and storm forecast before choosing a trail.
Summer months highlightedJune–August
Cooler Hotter
Jan
High63°F
Low42°F
Feb
High67°F
Low44°F
Mar
High74°F
Low49°F
Apr
High81°F
Low55°F
May
High90°F
Low63°F
Jun
High99°F
Low71°F
Jul
High104°F
Low77°F
Aug
High103°F
Low76°F
Sep
High97°F
Low69°F
Oct
High85°F
Low58°F
Nov
High72°F
Low47°F
Dec
High62°F
Low40°F
Questions about Joshua Tree summer
Quick answers to the practical questions below.
Is Joshua Tree worth visiting in summer?
Joshua Tree in summer suits very early short walks and nighttime skies. Avoid hiking from 10 am to 5 pm; a low visitation month does not make strenuous desert hiking safe.
Which summer month should I choose?
June: Finish short walks early. July: Heat plus monsoon risk. August: Dawn and moonless nights.
What should I check before a summer hike?
NPS recommends avoiding hiking during these hours. Keep even short nature-trail outings to cooler early hours.
How we built this page.
An independent guide using official data. Not affiliated with or endorsed by the National Park Service.
- Official guidance
- NPS and the relevant operators. The linked official pages support the access, facilities and rules described here. Confirm details before traveling.
- Crowd context
- 2021–2025 monthly averages. NPS recreation visits describe normal seasonal demand, not trail congestion, parking availability or unique visitors.
- Schedules and conditions
- Planning patterns, not live status. Seasonal information describes the normal pattern or explicitly dated source schedule. Current conditions are handled separately. The official source is the place to confirm today’s access.
Topic sources and data details
NPS seasonal, activity and overnight guidance supports the normal patterns and named choices on this page. Check the linked official pages for current operation and booking details.
Month choices describe the reviewed planning window. Monthly recreation visits are full-calendar-month 2021–2025 averages, including any month partly inside the window.
Temperatures are NOAA 1991-2020 normals at Twentynine Palms, CA; The Twentynine Palms cooperative observer station sits at 1,975 ft in the town of Twentynine Palms, outside the park. Most of the park is higher: NPS lists campground elevations from 3,000 ft at Cottonwood to 4,500 ft at Sheep Pass, and the park reaches 5,814 ft. Expect cooler days and colder nights up there than these station normals show. NPS says winter nights freeze and it occasionally snows at higher elevations. The station publishes no snowfall normal, so snowfall is shown as not reported. This is a preview station, pending full station review.
Seasonal highlights mark the editorial month window, not guaranteed access or travel-date weather.
Operational source check: October 21, 2026. Design and emphasized source review: 2026-10-21. A design review does not refresh every underlying record.