July Weather in Sierra Vista, United States

Last updated: June 24, 2025

In July, the average temperature in Sierra Vista, United States sits at a pleasant 26°C (79°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 15°C (59°F) and soar up to a scorching 40°C (105°F). During this time, 89 mm (3.5 in) of precipitation is expected over approximately 15 days, with an average humidity level of 38%.

July Temperature in Sierra Vista

In July in Sierra Vista, the average temperature is 26°C (79°F). Maximum temperatures can reach up to 40°C (105°F), while the minimum can drop as low as 15°C (59°F). This range of temperatures makes Sierra Vista an ideal destination for travelers seeking both warmth and the option for cooler evenings.

July Weather in Sierra Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Sierra Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sierra Vista, July typically has an average temperature of 26°C (79°F), with highs reaching up to 40°C (105°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Sierra Vista

In Sierra Vista in July, the precipitation amount is 89 mm (3.5 in) during 15 days of the month.

July Precipitation Trends in Sierra Vista

The chart displays monthly precipitation patterns in Sierra Vista, 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 Sierra Vista, July typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 15 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 Sierra Vista

In Sierra Vista in July humidity is 38%. With an average temperature of 26°C (79°F), this humidity feels like a refreshing embrace, making it comfortable for traveling and exploring the area without feeling too sticky or heavy.

July Average Humidity in Sierra Vista

This chart illustrates the average monthly humidity levels in Sierra Vista, 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 Sierra Vista is approximately 38%, 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 Sierra Vista

In Sierra Vista 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 Sierra Vista.

Maximum UV Index Levels in Sierra Vista for July

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

Data source: Sierra Vista 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 Sierra Vista Compares to Other Months

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

This table compares monthly weather conditions in Sierra Vista, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	20 mm (0.8 inches)	74%	moderate
February Weather	9°C (49°F)	25 mm (1.0 inches)	71%	high
March Weather	13°C (55°F)	17 mm (0.7 inches)	60%	very high
April Weather	17°C (64°F)	4 mm (0.2 inches)	43%	extreme
May Weather	21°C (71°F)	3 mm (0.1 inches)	32%	extreme
June Weather	27°C (81°F)	8 mm (0.3 inches)	28%	extreme
July Weather	26°C (79°F)	89 mm (3.5 inches)	38%	extreme
August Weather	25°C (78°F)	71 mm (2.8 inches)	60%	extreme
September Weather	23°C (74°F)	36 mm (1.4 inches)	72%	extreme
October Weather	18°C (65°F)	18 mm (0.7 inches)	66%	very high
November Weather	14°C (57°F)	27 mm (1.1 inches)	74%	high
December Weather	9°C (48°F)	22 mm (0.9 inches)	81%	moderate