United StatesAverage weather for Alpharetta in August
It's hot in August in Alpharetta with an average temperature of 31°C. Temperatures this month range from a low of 27°C to a high of 34°C. At night, you can expect temperatures between 19°C and 23°C.
Start of August
The month of August starts in Alpharetta with hot temps, averaging around 33°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps drop to around 32°C, with nights around 23°C. There’s a high chance of precipitation during this time. 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 Alpharetta is around 30°C, while nighttime temps are about 22°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In August, there is an average of 224 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.
Alpharetta in August |
New York | ||
|---|---|---|---|
 Average temperature |
31°C | 30°C | |
 Max. temperature |
34°C | 31°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
224 mm | 79 mm | |
| Rainy days |
12 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 Alpharetta?
Looking for sun? August isn’t a good month to be in Alpharetta. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 37°C in 2019, Alpharetta reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 22°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.
Check out the climate of Alpharetta for all months and discover the best travel time
Daily Temperature in August in Alpharetta
This chart shows the average daily high and low temperatures in August for Alpharetta, 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 Alpharetta
The chart below shows the average daily precipitation in August for Alpharetta, 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 Alpharetta.
Daily UV index in August in Alpharetta
This chart shows the average daily UV index in August in Alpharetta, 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 Alpharetta over the years
This chart shows the average temperature in August in Alpharetta, measured in degrees Celsius, over the past few years.
Total precipitation in August in Alpharetta over the years
This chart shows the average precipitation in August in Alpharetta, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Alpharetta
Click on any day in August to get detailed info about the usual weather on that day in Alpharetta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Alpharetta
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Average weather in Alpharetta by month
Click on a month below to see detailed weather info for Alpharetta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Alpharetta for all months at once
