July weather forecast
Grand Canyon National Park, AZ

The famed Horseshoe bend at the iconic Grand Canyon National Park, Arizona
The famed Horseshoe bend at the iconic Grand Canyon National Park, Arizona

Weather in July

July is a scorching summer month in Grand Canyon National Park, Arizona, with an average temperature fluctuating between 73.9°F (23.3°C) and 104°F (40°C).

Temperature

July is the warmest month, with an average high-temperature of 104°F (40°C) and an average low-temperature of 73.9°F (23.3°C).

Rainfall

In July, the rain falls for 3 days. Throughout July, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Grand Canyon National Park, there are 33 rainfall days, and 9.69" (246mm) of precipitation is accumulated.

Snowfall

In Grand Canyon National Park, snow does not fall in February through November.

Daylight

In July, the average length of the day in Grand Canyon National Park, Arizona, is 14h and 20min.
On the first day of July, sunrise is at 5:15 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:34 pm MST.

Sunshine

In Grand Canyon National Park, the average sunshine in July is 11h.

UV index

The months with the highest UV index in Grand Canyon National Park are June and July, with an average maximum UV index of 11. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 11 in July transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.
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FAQ

What is the warmest month in Grand Canyon National Park?

With an average high-temperature of 104°F (40°C) and an average low-temperature of 73.9°F (23.3°C), July is the warmest month in Grand Canyon National Park.

What is the temperature in July in Grand Canyon National Park?

In Grand Canyon National Park, in July, the average high-temperature is 104°F (40°C), and the average low-temperature is 73.9°F (23.3°C).

How many days does it rain in July in Grand Canyon National Park?

In Grand Canyon National Park, in July, during 3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Grand Canyon National Park?

February through November are months without snowfall.

What is the average length of the day in July in Grand Canyon National Park?

The average day length in July is 14h and 20min.

When is the sunrise / sunset in July in Grand Canyon National Park?

In July, on the first day of the month, sunrise is at 5:15 am and sunset at 7:49 pm. On the last day of the month, in Grand Canyon National Park, Arizona, sunrise is at 5:35 am and sunset at 7:34 pm MST.

How many hours of sunshine does Grand Canyon National Park have in July?

In July, the average sunshine duration in Grand Canyon National Park, Arizona, is 11h.

What are the months with the highest UV index in Grand Canyon National Park?

June and July, with an average maximum UV index of 11, are months with the highest UV index in Grand Canyon National Park.

What is the UV index intensity in July in Grand Canyon National Park?

The average daily maximum UV index in July in Grand Canyon National Park, Arizona, is 11. A UV Index estimate of 11, and higher, represents an excessive health risk from unsafe exposure to Sun's UV rays.
Average rainfall days
Average snowfall
Average sunshine
Average UV index

Average temperature in July
Grand Canyon National Park, AZ

Average temperature in July - Grand Canyon National Park, AZ
  • Average high temperature in July: 104°F

The warmest month (with the highest average high temperature) is July (104°F).
The months with the lowest average high temperature are January and December (55°F).

  • Average low temperature in July: 74°F

The month with the highest average low temperature is July (74°F).
The coldest month (with the lowest average low temperature) is January (35°F).

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Average rainfall in July
Grand Canyon National Park, AZ

Average rainfall in July - Grand Canyon National Park, AZ
  • Average rainfall in July: 0.9"

The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in July
Grand Canyon National Park, AZ

Average rainfall days in July - Grand Canyon National Park, AZ
  • Average rainfall days in July: 3 days

The month with the highest number of rainy days is August (5 days).
The months with the least rainy days are May and June (1 days).

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Average snowfall in July
Grand Canyon National Park, AZ

Average snowfall in July - Grand Canyon National Park, AZ
  • Average snowfall in July: 0"

The months with the highest snowfall are January and December (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average daylight in July /
Average sunshine in July
Grand Canyon National Park, AZ

Average daylight in July / Average sunshine in July - Grand Canyon National Park, AZ
  • Average daylight in July: 14h and 20min

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 45min).

  • Average sunshine in July: 11h

The month with the most sunshine is June (Average sunshine: 13h).
The months with the least sunshine are January and December (Average sunshine: 7h).

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Average UV index in July
Grand Canyon National Park, AZ

Average UV index in July - Grand Canyon National Park, AZ
  • Average UV index in July: 11

The months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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