Sierra Vista
Arizona, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Sierra Vista, AZ

The vast Sierra Vista region of Arizona, and a view of a local church and distant mountain ranges
The vast Sierra Vista region of Arizona, and a view of a local church and distant mountain ranges
July, like June, is another tropical summer month in Sierra Vista, Arizona, with average temperature varying between 66.4°F (19.1°C) and 91.6°F (33.1°C).

Temperature

In July, the average high-temperature is essentially the same as in June - a still hot 91.6°F (33.1°C). The average low-temperature, in Sierra Vista, is 66.4°F (19.1°C).

Rainfall

The month with the most rainfall is July when the rain falls for 11 days and typically aggregates up to 3.8" (97mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Sierra Vista, the average length of the day is 14h.

Sunshine

In July, the average sunshine in Sierra Vista, Arizona, is 11h.

UV index

July is the month with the highest UV index in Sierra Vista, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in July in Sierra Vista?

The average high-temperature, in July, in Sierra Vista, is 91.6°F (33.1°C), while the average low-temperature is 66.4°F (19.1°C).

How many days does it rain in July in Sierra Vista?

In Sierra Vista, in July, it is raining for 11 days, with typically 3.8" (97mm) of accumulated precipitation.

What is the wettest month in Sierra Vista?

The month with the most rainfall in Sierra Vista is July when the rain falls for 11 days and typically aggregates up to 3.8" (97mm) of precipitation.

When it does not snow in Sierra Vista?

April through November are months without snowfall in Sierra Vista.

What is the average length of the day in July in Sierra Vista?

In July, the average length of the day in Sierra Vista, Arizona, is 14h.

How many hours of sunshine does Sierra Vista have in July?

In Sierra Vista, Arizona, the average sunshine in July is 11h.

What is the month with the highest UV index in Sierra Vista?

July is the month with the highest UV index, with an average maximum UV index of 12.

How high is the UV index in July in Sierra Vista?

In Sierra Vista, Arizona, the average daily maximum UV index in July is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in July - Sierra Vista, AZ
  • Average high temperature in July: 91.6°F

The warmest month (with the highest average high temperature) is June (92.9°F).
The month with the lowest average high temperature is January (61.2°F).

  • Average low temperature in July: 66.3°F

The month with the highest average low temperature is July (66.3°F).
The coldest month (with the lowest average low temperature) is December (33.9°F).

Average rainfall in July - Sierra Vista, AZ
  • Average rainfall in July: 3.8"

The wettest month (with the highest rainfall) is July (3.8").
The driest month (with the lowest rainfall) is May (0.1").

Average rainfall days in July - Sierra Vista, AZ
  • Average rainfall days in July: 11 days

The month with the highest number of rainy days is August (12 days).
The month with the lowest number of rainy days is May (1 days).

Average snowfall in July - Sierra Vista, AZ
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.3").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average daylight in July / Average sunshine in July - Sierra Vista, AZ
  • Average daylight in July: 14h

The month with the longest days is June (Average daylight: 14.2h).
The month with shortest days is December (Average daylight: 10.1h).

  • Average sunshine in July: 11h

Months with most sunshine are May and June (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 7h).

Average UV index in July - Sierra Vista, AZ
  • Average UV index in July: 12

The month with the highest UV index is July (UV index 12).
The month with the lowest UV index is December (UV index 3).