Sierra Vista (AZ)
August
Weather in Sierra Vista, Arizona for August 2026
Your guide to Sierra Vista weather in August - trends and predictions
In general, the average temperature in Sierra Vista at the beginning of August is 36.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.1 °F by the end of August.
With an average of 5 rainy days, Sierra Vista experiences minimal rainfall in August.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
33°/20°
Temperatures
20 km/h
Avg max wind
47 %
Avg humidity
Sierra Vista Weather August
Move between months or click on a day
Temperatures trend during August in Sierra Vista
See the weather trend as well as the moving average line
August weather in Sierra Vista day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 33° /20° | 0 mm | 15 | |
| Aug. 2 |  Thundery outbreaks possible | 34° /22° | 0 mm | 15 | |
| Aug. 3 | Sunny | 38° /21° | 0 mm | 14 | |
| Aug. 4 |  Partly cloudy | 37° /22° | 0 mm | 14 | |
| Aug. 5 | Partly cloudy | 36° /23° | 0 mm | 14 | |
| Aug. 6 | Sunny | 39° /23° | 0 mm | 14 | |
| Aug. 7 |  Cloudy | 38° /24° | 0 mm | 15 | |
| Aug. 8 | Partly cloudy | 36° /20° | 0 mm | 14 | |
| Aug. 9 | Sunny | 35° /19° | 0 mm | 14 | |
| Aug. 10 | Thundery outbreaks possible | 34° /19° | 0 mm | 14 | |
| Aug. 11 | Sunny | 33° /16° | 0 mm | 14 | |
| Aug. 12 | Thundery outbreaks possible | 35° /18° | 0 mm | 14 | |
| Aug. 13 | Thundery outbreaks possible | 33° /19° | 0 mm | 12 | |
| Aug. 14 |  Moderate or heavy rain shower | 29° /20° | 3.4 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 24° /19° | 30.8 mm | 9 | |
| Aug. 16 |  Patchy light rain | 28° /17° | 57.9 mm | 10 | |
| Aug. 17 | Thundery outbreaks possible | 29° /18° | 0 mm | 11 | |
| Aug. 18 |  Overcast | 29° /19° | 0 mm | 4 | |
| Aug. 19 | Partly cloudy | 33° /20° | 0 mm | 14 | |
| Aug. 20 | Thundery outbreaks possible | 34° /20° | 0 mm | 13 | |
| Aug. 21 | Sunny | 34° /20° | 0 mm | 13 | |
| Aug. 22 | Partly cloudy | 34° /21° | 0 mm | 13 | |
| Aug. 23 | Partly cloudy | 34° /20° | 0 mm | 13 | |
| Aug. 24 | Overcast | 33° /20° | 0 mm | 13 | |
| Aug. 25 | Partly cloudy | 32° /19° | 0 mm | 13 | |
| Aug. 26 | Moderate or heavy rain shower | 27° /17° | 12.2 mm | 13 | |
| Aug. 27 | Partly cloudy | 29° /17° | 0 mm | 13 | |
| Aug. 28 | Partly cloudy | 31° /18° | 0 mm | 13 | |
| Aug. 29 | Moderate or heavy rain shower | 28° /19° | 7.6 mm | 5 | |
| Aug. 30 | Partly cloudy | 30° /19° | 0 mm | 13 | |
| Aug. 31 | Overcast | 27° /19° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Sierra Vista in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sierra Vista forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sierra Vista in August - FAQ
What are the expected maximum and minimum temperatures in Sierra Vista during August?
Expect warm days with temperatures around 33°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Sierra Vista during August?
Significant rainfall exceeding 111.9 mm is expected in Sierra Vista during August, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sierra Vista during August?
The average wind speed in Sierra Vista during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Sierra Vista
Explore the daily rainfall trends and prepare for Sierra Vistas August weather 💧
Typically, Sierra Vista has 5 rainy days in August with a total of 111.9 mm of rainfall.
UV exposure in Sierra Vista during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Quick links
More Sierra Vista weather pages
You are here
Where is Sierra Vista?Get accurate weather forecasts for Sierra Vista, located at latitude 31.555 and longitude -110.304. Stay updated with localized weather information tailored for Sierra Vista.
Found a mistake?
We appreciate your attention to details. Tell us here.