Climate in Alpharetta (Georgia), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Alpharetta, the United States of America

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Alpharetta, the United States of America

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* Data from: Atlanta, the United States of America (37 KM, 23 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in Alpharetta, the United States of America

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* Data from: Atlanta, the United States of America (37 KM, 23 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Alpharetta, the United States of America

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Alpharetta, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Alpharetta, the United States of America

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* Data from: Atlanta, the United States of America (37 KM, 23 Miles).

Weather Forecasts for Alpharetta (GA)

Thu   Mar 28
19°C | 9°C
NW 29 km/h
clear and no rain

clear and no rain

Fri   Mar 29
21°C | 3°C
W 14 km/h
clear and no rain

clear and no rain

Sat   Mar 30
23°C | 8°C
SW 22 km/h
clear and no rain

clear and no rain

The best time of year to visit Alpharetta in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Alpharetta?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Alpharetta?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Alpharetta?
    December tops the wettest month list with 144 mm of rainfall.
  • Which is the driest month in Alpharetta?
    June is the driest month with 78 mm of precipitation.
  • Which is the sunniest month in Alpharetta?
    May is the sunniest month with an average of 288 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.