July weather forecast
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 a very hot summer month in Phoenix, Arizona, with temperature in the range of an average high of 103.6°F (39.8°C) and an average low of 84°F (28.9°C).

Temperature

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

Humidity

In July, the average relative humidity in Phoenix is 29%.

Rainfall

The month with the most rainfall is July, when the rain falls for 7.8 days and typically aggregates up to 0.75" (19mm) of precipitation.

Snowfall

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

Daylight

In July, the average length of the day in Phoenix is 14h and 7min.
On the first day of the month, sunrise is at 5:22 am and sunset at 7:42 pm. On the last day of July, sunrise is at 5:40 am and sunset at 7:28 pm MST.

Sunshine

In July, the average sunshine is 12h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In July, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged 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. 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.
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FAQ

What is the warmest month in Phoenix?

July is the warmest month in Phoenix, Arizona, 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 average humidity in July in Phoenix?

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

What is the wettest month in Phoenix?

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

How many days does it rain in July in Phoenix?

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

The average day length in July in Phoenix, Arizona, is 14h and 7min.

When is the sunrise / sunset in July in Phoenix?

In July, on the first day of the month, sunrise is at 5:22 am and sunset at 7:42 pm. On the last day of the month, in Phoenix, sunrise is at 5:40 am and sunset at 7:28 pm MST.

How long on average sun shines in July in Phoenix?

The average sunshine duration in July in Phoenix is 12h.

When is the highest UV index in Phoenix?

The 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?

In Phoenix, Arizona, the average daily maximum UV index in July is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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").
The 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).
The 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: 14h and 7min

The month with the longest days is June (Average daylight: 14h and 20min).
The month with the shortest days is December (Average daylight: 9h and 59min).

  • Average sunshine in July: 12h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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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

The 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

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

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