SeasonScore
Grand Canyon, United States
Photo: Chensiyuan · CC BY-SA 4.0

United States

Grand Canyon in June

🥵 Hot summer

Very hot and mostly dry. Watch for extreme heat risk.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: May (9.6), Oct (9.6), Apr (9.5)

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Why June scores 7.8What goes into the score

How it works
🌡️ 37° / 20°C🌧️ 11 mm💧 dew pt 2°🍃 PM2.5 5
  • Weather comfort6.6
    • !Very hot (36.9°C highs / 19.7°C lows)
    • ✓Comfortable humidity (dew point 1.9°C)
    • ✓Mostly dry (~11 mm rain)
  • Air quality10.0
    • ✓Good (within WHO guideline) (PM2.5 ~5 µg/m³)
  • Seasonal hazards8.5
    • !Extreme heat: Average daily high 36.9°C
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut June side by side with another month
JunMay
Score7.8 Very good9.6 Excellent
Season🥵 Hot summer🌷 Spring
High / low37° / 20°29° / 13°
Rain11 mm14 mm
Humiditydew pt 2°dew pt 0°
PM2.55 µg/m³5 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast).

Holidays & crowdsJune 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Juneteenth National Independence Day 18–20 Jun · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Grand CanyonEvents, sights, food & souvenirs

Check event dates locally

A vast canyon in northern Arizona carved by the Colorado River, visited for its viewpoints, rim walks and challenging hikes into the gorge.

Events in June
Grand Canyon Star PartyDate variesUsually June

Amateur astronomers set up telescopes for free public night-sky viewing over a week.

Why go: Dark skies are a highlight; bring warm layers, as rims are cold at night.

Where: South Rim and North Rim

Coming up later

Monsoon seasonDate variesUsually July to mid-September

Afternoon thunderstorms bring lightning, flash floods and dramatic skies.

Why go: Stay away from rim edges in lightning and be cautious in side canyons.

Where: Throughout the park

Plan this tripTickets, data and transfers for Grand Canyon

Airport transfer Kiwitaxi

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