United StatesAverage weather for Arizona in August
It's hot in August in Arizona with an average temperature of 40°C. Temperatures this month range from a low of 38°C to a high of 42°C. At night, you can expect temperatures between 27°C and 30°C.
Start of August
The month of August starts in Arizona with hot temps, averaging around 41°C during the day and nights around 30°C. There’s little chance of precipitation. The weather’s mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps drop to around 40°C, with nights around 29°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in Arizona is around 41°C, while nighttime temps are about 29°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In August, there is an average of 44 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the South.
Arizona in August |
New York | ||
|---|---|---|---|
 Average temperature |
40°C | 30°C | |
 Max. temperature |
42°C | 31°C | |
| Min. temperature |
38°C | -5°C | |
 Total precipitation |
44 mm | 79 mm | |
| Rainy days |
5 days | 13 days | |
July
UV index
The UV index is a maximum of 9 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 isn’t a good month to be in Arizona. The average temperature of 40°C this month is uncomfortably hot for a comfortable stay.
Temperature records
With 47°C in 2020, Arizona reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 31°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 34°C.
Check out the climate of Arizona for all months and discover the best travel time
The climate in Arizona is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Arizona to get the full picture of the climate.
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 5 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?
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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.
