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United StatesThe weather in May in Alpharetta
It's warm in May in Alpharetta with an average temperature of 27°C. Temperatures this month range from a low of 24°C to a high of 30°C. At night, you can expect temperatures between 12°C and 19°C.
Looking for sun? May isn’t a good month to be in Alpharetta. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Alpharetta, Georgia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2019, Alpharetta reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 14°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 23°C.
Rainfall amount
In May, there is an average of 165 mm of precipitation, spread over 18 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in May for Alpharetta
Click on any day in May 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.
May weather comparison
| Alpharetta | New York | |
|---|---|---|
| Average temperature | 27°C | 22°C |
| Max. temperature | 30°C | 28°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 165 mm | 105 mm |
| Rainy days | 18 days | 14 days |
Start of May
The month of May starts in Alpharetta with warm temps, averaging around 26°C during the day and nights around 14°C.
Mid May
By mid-May, daytime temps rise to around 27°C, with nights around 17°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of May
By the end of May, the average daytime temperature in Alpharetta is around 29°C, while nighttime temps are about 19°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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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.
Check out the climate of Alpharetta for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Alpharetta, Georgia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Alpharetta
Temperature in May in Alpharetta over the years
Precipitation charts
These charts show the average amount of precipitation in May in Alpharetta, Georgia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Alpharetta
Total precipitation in May in Alpharetta over the years
Daily UV index in May in Alpharetta
This chart shows the average daily UV index in May 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.
Weather experiences in May 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.