July Weather in Phoenix, United States

Last updated: June 24, 2025

In July, the average temperature in Phoenix, United States hovers around 23°C (73°F), with a range that can dip to a cool 12°C (55°F) or soar to a warm 33°C (92°F). This month sees an average precipitation of 175 mm (6.9 in) spread over 16 days, contributing to a notable average humidity of 78%. Whether you’re basking in the sun or enjoying a refreshing rain shower, Phoenix offers a unique climate experience this month!

July Temperature in Phoenix

In July in Phoenix, the average temperature is 23°C (73°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 12°C (55°F). This pleasant weather makes Phoenix an ideal destination for travelers seeking a comfortable climate.

July Weather in Phoenix: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Phoenix, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phoenix, July typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (92°F) and lows dropping to around 12°C (55°F).

Data source: Temperature data for Phoenix generated using information from the Copernicus Climate Change Service.

July Precipitation in Phoenix

In Phoenix in July, the total precipitation amount is 175 mm (6.9 in) over the course of 16 days.

July Precipitation Trends in Phoenix

The chart displays monthly precipitation patterns in Phoenix, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Phoenix, July typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Phoenix

In Phoenix in July, humidity is 78%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a little challenging but still enjoyable for travelers who appreciate a tropical atmosphere.

July Average Humidity in Phoenix

This chart illustrates the average monthly humidity levels in Phoenix, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Phoenix is approximately 78%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Phoenix

In Phoenix in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Phoenix.

Maximum UV Index Levels in Phoenix for July

The chart shows the monthly maximum UV Index (UVI) for Phoenix in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Phoenix typically reaches 9, which falls under the very high exposure category.

Data source: Phoenix July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Phoenix Compares to Other Months

Weather in Phoenix varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Phoenix, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Phoenix, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	97 mm (3.8 inches)	90%	moderate
February Weather	-2°C (29°F)	98 mm (3.9 inches)	90%	moderate
March Weather	1°C (35°F)	91 mm (3.6 inches)	87%	high
April Weather	7°C (46°F)	122 mm (4.8 inches)	88%	very high
May Weather	14°C (57°F)	119 mm (4.7 inches)	82%	very high
June Weather	19°C (67°F)	100 mm (3.9 inches)	79%	very high
July Weather	23°C (73°F)	175 mm (6.9 inches)	78%	very high
August Weather	22°C (72°F)	124 mm (4.9 inches)	76%	very high
September Weather	18°C (65°F)	87 mm (3.4 inches)	78%	high
October Weather	13°C (55°F)	170 mm (6.7 inches)	84%	high
November Weather	5°C (41°F)	115 mm (4.5 inches)	89%	moderate
December Weather	0°C (33°F)	114 mm (4.5 inches)	86%	low