July Weather in South Tucson, United States

Last updated: June 24, 2025

In July, the average temperature in South Tucson, United States peaks at a balmy 31°C (88°F). However, temperatures can swing dramatically, with a minimum of 20°C (69°F) and soaring up to a sizzling 43°C (110°F). Expect 54 mm (2.1 in) of precipitation over about 10 days, complemented by an average humidity of just 34%, making for a dry yet warm experience.

July Temperature in South Tucson

In July in South Tucson, the average temperature is 31°C (88°F), with maximums reaching up to 43°C (110°F) and minimums dipping as low as 20°C (69°F). Travelers should be prepared for hot weather and plan for both high temperatures and cooler evenings.

July Weather in South Tucson: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in South Tucson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Tucson, July typically has an average temperature of 31°C (88°F), with highs reaching up to 43°C (110°F) and lows dropping to around 20°C (69°F).

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

July Precipitation in South Tucson

In South Tucson in July, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.

July Precipitation Trends in South Tucson

The chart displays monthly precipitation patterns in South Tucson, 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 South Tucson, July typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

July Humidity in South Tucson

In South Tucson in July, humidity is 34%. With an average temperature of 31°C (88°F), this humidity feels like a warm embrace, making traveling quite comfortable and pleasant for outdoor explorations.

July Average Humidity in South Tucson

This chart illustrates the average monthly humidity levels in South Tucson, 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 South Tucson is approximately 34%, 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 South Tucson

In South Tucson in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in South Tucson.

Maximum UV Index Levels in South Tucson for July

The chart shows the monthly maximum UV Index (UVI) for South Tucson 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 South Tucson typically reaches 12, which falls under the extreme exposure category.

Data source: South Tucson 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 South Tucson Compares to Other Months

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

This table compares monthly weather conditions in South Tucson, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	23 mm (0.9 inches)	76%	moderate
February Weather	13°C (55°F)	34 mm (1.3 inches)	79%	high
March Weather	16°C (62°F)	15 mm (0.6 inches)	67%	very high
April Weather	22°C (71°F)	2 mm (0.1 inches)	55%	extreme
May Weather	25°C (78°F)	3 mm (0.1 inches)	40%	extreme
June Weather	31°C (88°F)	8 mm (0.3 inches)	33%	extreme
July Weather	31°C (88°F)	54 mm (2.1 inches)	34%	extreme
August Weather	31°C (87°F)	35 mm (1.4 inches)	48%	extreme
September Weather	28°C (83°F)	27 mm (1.1 inches)	64%	extreme
October Weather	23°C (73°F)	10 mm (0.4 inches)	67%	very high
November Weather	17°C (64°F)	14 mm (0.6 inches)	77%	high
December Weather	12°C (54°F)	27 mm (1.0 inches)	82%	moderate