United StatesAverage weather for Arizona in August
It's hot in August in Arizona with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 17°C and 20°C.
Start of August
The month of August starts in Arizona with hot temps, averaging around 32°C during the day and nights around 19°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid August
By mid-August, daytime temps drop to around 31°C, with nights around 19°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers.
End of August
By the end of August, the average daytime temperature in Arizona is around 31°C, while nighttime temps are about 18°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
In August, there is an average of 94 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Arizona in August |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 30°C | |
 Max. temperature |
32°C | 31°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
94 mm | 79 mm | |
| Rainy days |
12 days | 13 days | |
July
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Arizona?
August is a good month to be in Arizona for sunny weather. You’ll have high temperatures and not too much rain.
Temperature records
With 38°C in 2020, Arizona reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 18°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 26°C.
Check out the climate of Arizona for all months and discover the best travel time
Curious about the weather in other parts of United States? Check out the climate and weather for spots like New York City, Miami, Los Angeles, or explore other destinations in United States.
Daily Temperature in August in Arizona
This chart shows the average daily high and low temperatures in August for Arizona, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Arizona
The chart below shows the average daily precipitation in August for Arizona, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 12 days of precipitation in Arizona.
Daily UV index in August in Arizona
This chart shows the average daily UV index in August in Arizona, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Arizona over the years
This chart shows the average temperature in August in Arizona, measured in degrees Celsius, over the past few years.
Total precipitation in August in Arizona over the years
This chart shows the average precipitation in August in Arizona, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Arizona
Click on any day in August to get detailed info about the usual weather on that day in Arizona. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Arizona
Have you been to Arizona in August?
Share your weather experience in August in Arizona.
Average weather in Arizona by month
Click on a month below to see detailed weather info for Arizona. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
