Joshua Tree in June: Crowds, Weather & What to Pack
Shoulder · VisitWhen score 65/100 · #5 of 12 months
June is a solid shoulder-season month to visit Joshua Tree National Park: crowds run 43% of the March peak (175,980 average visits). Weather: highs average 99°F and lows 66°F, with 0.0″ of precipitation and 14.4 hours of daylight. Computed from NPS and NOAA data.
Planning Joshua Tree? Pack a guidebook: Moon Joshua Tree & Palm Springs on Amazon. · affiliate link, VisitWhen earns from qualifying purchases
Bring for Joshua Tree in June
- A light layer you can shed by midday (long sleeve or windbreaker)See it on AmazonWhy: a 33°F swing between the average low of 66°F and high of 99°F.
- Sun hat, SPF 50+ and 3L+ water capacitySee it on AmazonWhy: highs average 99°F.
- Electrolyte tablets (heat-illness prevention)See it on AmazonWhy: at highs of 99°F, water alone is not enough — dehydration is the real risk.
Affiliate links: VisitWhen earns from qualifying purchases, at no extra cost to you. Prices can change; Amazon shows the current one.
Crowds in June
Joshua Tree averages 175,980 recreation visits in June — 43% of what March, the peak month, draws. Plan lodging and entries with that in mind.
Weather & daylight
Expect intense heat (highs average 99°F), and nights stay mild (lows average 66°F). It is typically dry (0.0″ of precipitation). Mid-month daylight runs 14.4 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 June.
What to pack for Joshua Tree in June
Computed from the month's weather normals above — not a generic list.
- A light layer you can shed by midday (long sleeve or windbreaker) — a 33°F swing between the average low of 66°F and high of 99°F
- Sun hat, SPF 50+ and 3L+ water capacity — highs average 99°F
- Electrolyte tablets (heat-illness prevention) — at highs of 99°F, water alone is not enough — dehydration is the real risk (compare other options)
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
As an Amazon Associate, VisitWhen earns from qualifying purchases. Gear names above link to Amazon searches or to a specific product — we don't show or set prices; you always see Amazon's current price.
Packing for a trip with a date on it? Amazon Prime includes fast delivery on eligible items, and eligible new members may be offered a free trial, so gear ordered this week can arrive before you leave. Delivery speed varies by item and address. See if you can try Prime free →
Affiliate link — we may earn a commission on qualifying sign-ups, at no extra cost to you. Current terms are on Amazon's page.
Looking for a better window? The computed best months for Joshua Tree are January and May.
Also at their best in June
Other parks whose computed June verdict is a best window — same NPS × NOAA formula:
- North Cascades in June — 26% of peak crowds, highs 74°F, score 91/100
- Katmai in June — 34% of peak crowds, highs 59°F, score 88/100
- Crater Lake in June — 44% of peak crowds, highs 57°F, score 84/100
- Olympic in June — 48% of peak crowds, highs 67°F, score 78/100
Common questions
Is Joshua Tree crowded in June?
Moderately: June runs 43% of the March peak, averaging 175,980 visits (NPS, 2021–2025).
What is the weather like in Joshua Tree in June?
Average highs of 99°F, lows of 66°F, 0.0″ of precipitation (NOAA 1991–2020 normals, CHIRIACO SUMMIT, CA US station).
What should I pack for Joshua Tree in June?
A light layer you can shed by midday (long sleeve or windbreaker); Sun hat, SPF 50+ and 3L+ water capacity; Electrolyte tablets (heat-illness prevention) — the full weather-computed list is on this page.
See also: the best national parks to visit in June · Last verified 2026-09-24