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Mid-summer · Weather & things to do

Grand Canyon in July

Grand Canyon's warmest month brings highs averaging 99°F (37°C), lows of 73°F (23°C) and about 1.8 in (45 mm) of rain.

With a comfort score of 53/100 (12th of 12), it's one of the toughest months, held back mainly by heat.

Grand Canyon, Arizona, United States
Avg high
99°F (37°C)
Avg low
73°F (23°C)
Rain
1.8 in (45 mm)
Humidity
38%
Cloud cover
49%
Daylight
~14 h 14 min
Comfort score
53/100 · Fair

What July feels like

Expect proper heat: afternoons average 99°F (37°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.

There's a big swing between day and night, about 15°C (27°F), so mornings and evenings feel much cooler than the afternoon.

Low humidity, around 38%, makes the air feel crisp and dry.

Rain is moderate at about 1.8 in (45 mm) for the month.

Grand Canyon: July compared with the months either side
JuneJulyAugust
Avg high98°F37°C99°F37°C96°F36°C
Avg low66°F19°C73°F23°C71°F21°C
Rain0.3 in7 mm1.8 in45 mm2.0 in50 mm
Daylight14 h 26 min14 h 14 min13 h 22 min
Comfort625359

Plan around July

July is one of the lower-scoring months here; the best are March – May and October & November.

What to pack for July

What to do in Grand Canyon in July

Start early and take shelter at midday: the picks below pair morning outings with places to cool off.

Nearby in July

NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,837 m to Grand Canyon's ~1,015 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Grand Canyon in July: quick answers

Is July a good time to visit Grand Canyon?

It's one of the tougher months here, scoring 53/100, held back mainly by heat. The best months are March – May and October & November. Expect highs of 99°F (37°C) and 1.8 in (45 mm) of rain. Our Grand Canyon & Arizona route recommends Mar – May, so July is outside its suggested window.

How hot is Grand Canyon in July?

Average highs are 99°F (37°C) and average lows 73°F (23°C), making it the warmest month by daytime highs.

Does it rain a lot in Grand Canyon in July?

Not much: about 1.8 in (45 mm) of rain falls across July on average, the 2nd-wettest month of the year. The annual total is about 12.4 in (314 mm).

What should I pack for Grand Canyon in July?

Bring light, breathable clothes (highs average 99°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 73°F) and lip balm and moisturizer (dry air).

Planning Grand Canyon in July?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

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