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

August 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
The last month of the summer, August, is another tropical month in Sierra Vista, Arizona, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 88.7°F (31.5°C).

Temperature

In Sierra Vista, the average high-temperature in August is practically the same as in July - a still hot 88.7°F (31.5°C). In Sierra Vista, in August, the average low-temperature is 64.9°F (18.3°C).

Rainfall

In August, the rain falls for 12 days. Throughout August, 3.4" (86mm) of precipitation is accumulated. In Sierra Vista, during the entire year, the rain falls for 52 days and collects up to 13.9" (352mm) of precipitation.

Snowfall

April through November are months without snowfall in Sierra Vista.

Daylight

In Sierra Vista, the average length of the day is 13.3h.

Sunshine

In August, the average sunshine in Sierra Vista is 10h.

UV index

In August, the average daily maximum UV index in Sierra Vista is 11. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the average maximum UV index of 11 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 August in Sierra Vista?

In Sierra Vista, Arizona, in August, the average high-temperature is 88.7°F (31.5°C), and the average low-temperature is 64.9°F (18.3°C).

How much does it rain in Sierra Vista in August?

In Sierra Vista, Arizona, in August, it is raining for 12 days, with typically 3.4" (86mm) of accumulated precipitation.

When it does not snow in Sierra Vista?

April through November are months without snowfall in Sierra Vista.

How many hours of daylight does Sierra Vista have in August?

In Sierra Vista, the average length of the day in August is 13.3h.

How long on average sun shines in August in Sierra Vista?

In August, the average sunshine in Sierra Vista is 10h.

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

The average daily maximum UV index in August in Sierra Vista is 11. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in August - Sierra Vista, AZ
  • Average high temperature in August: 88.7°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 August: 64.9°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 August - Sierra Vista, AZ
  • Average rainfall in August: 3.4"

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 August - Sierra Vista, AZ
  • Average rainfall days in August: 12 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 August - Sierra Vista, AZ
  • Average snowfall in August: 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 August / Average sunshine in August - Sierra Vista, AZ
  • Average daylight in August: 13.3h

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 August: 10h

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 August - Sierra Vista, AZ
  • Average UV index in August: 11

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