July weather forecast and climate
Phoenix, AZ

The city of Phoenix, Arizona at dusk
The city of Phoenix, Arizona at dusk

Weather in July

July, the same as June, is another torrid summer month in Phoenix, Arizona, with average temperature varying between 103.6°F (39.8°C) and 84°F (28.9°C).

Temperature

July is the warmest month, with an average high-temperature of 103.6°F (39.8°C) and an average low-temperature of 84°F (28.9°C).

Humidity

In Phoenix, Arizona, the average relative humidity is 29%.

Rainfall

July is the month with the most rainfall in Phoenix. Rain falls for 7.8 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

In Phoenix snow does not fall in January through August, October through December.

Daylight

In Phoenix, the average length of the day is 14.1h.

Sunshine

The average sunshine in Phoenix is 12h.

UV index

May through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Phoenix?

July is the warmest month in Phoenix, with an average high-temperature of 103.6°F (39.8°C) and an average low-temperature of 84°F (28.9°C).

What is the temperature in July in Phoenix?

In July, in Phoenix, Arizona, the average high-temperature is 103.6°F (39.8°C), and the average low-temperature is 84°F (28.9°C).

What is the average humidity in July in Phoenix?

In July, the average relative humidity is 29%.

How much does it rain in Phoenix in July?

In Phoenix, Arizona, in July, it is raining for 7.8 days, with typically 0.75" (19mm) of accumulated precipitation.

What is the wettest month in Phoenix?

July is the month with the most rainfall in Phoenix. Rain falls for 7.8 days and accumulates 0.75" (19mm) of precipitation.

When it does not snow in Phoenix?

January through August, October through December are months without snowfall in Phoenix.

What is the average length of the day in July in Phoenix?

In July, the average length of the day in Phoenix, Arizona, is 14.1h.

How many hours of sunshine does Phoenix have in July?

The average sunshine in July in Phoenix is 12h.

What are the months with the highest UV index in Phoenix?

Months with the highest UV index in Phoenix are May through August, with an average maximum UV index of 8.

How high is the UV index in July in Phoenix?

The average daily maximum UV index in July is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV rays.

Average temperature in July
Phoenix, AZ

Average temperature in July - Phoenix, AZ
  • Average high temperature in July: 103.6°F

The warmest month (with the highest average high temperature) is July (103.6°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in July: 84°F

The month with the highest average low temperature is August (84.7°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

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Average pressure in July
Phoenix, AZ

Average pressure in July - Phoenix, AZ
  • Average pressure in July: 29.87"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.81").

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Average wind speed in July
Phoenix, AZ

Average wind speed in July - Phoenix, AZ
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).

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Average humidity in July
Phoenix, AZ

Average humidity in July - Phoenix, AZ
  • Average humidity in July: 29%

The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (16%).

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Average rainfall in July
Phoenix, AZ

Average rainfall in July - Phoenix, AZ
  • Average rainfall in July: 0.75"

The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are May and June (0.08").

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Average rainfall days in July
Phoenix, AZ

Average rainfall days in July - Phoenix, AZ
  • Average rainfall days in July: 7.8 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (0.8 days).

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Average snowfall in July
Phoenix, AZ

Average snowfall in July - Phoenix, AZ
  • Average snowfall in July: 0"

The month with the highest snowfall is September (0.04").
Months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").

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Average snowfall days in July
Phoenix, AZ

Average snowfall days in July - Phoenix, AZ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is September (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

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Average daylight in July /
Average sunshine in July
Phoenix, AZ

Average daylight in July / Average sunshine in July - Phoenix, AZ
  • Average daylight in July: 14.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in July: 12h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in July
Phoenix, AZ

Average sunshine days in July - Phoenix, AZ
  • Average sunshine days in July: 21.1 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (21.1 days).

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Average UV index in July
Phoenix, AZ

Average UV index in July - Phoenix, AZ
  • Average UV index in July: 8

Months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in July
Phoenix, AZ

Average cloud cover in July - Phoenix, AZ
  • Average cloud cover in July: 15

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in July
Phoenix, AZ

Average visibility in July - Phoenix, AZ
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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