Weather in City of Alpharetta in October

General weather information about City of Alpharetta

Average annual temperature is 16.4 °C

Absolute maximum temperature: 35.7 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 169 days

Number of rainy days: 196 days

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* Weather data for City of Alpharetta United States is based on climate observations for 2026 year

City of Alpharetta air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.624.024.726.629.832.135.035.732.628.025.019.6
Average daytime temperature (°C)13.416.617.621.124.328.432.231.127.522.416.913.0
Average temperature (°C)8.411.311.815.218.822.525.925.321.816.711.27.7
Average night temperature (°C)4.57.36.610.314.317.420.720.816.911.96.73.5
Absolute minimum temperature (°C)-4.3-3.6-5.34.35.213.618.316.412.05.4-3.9-4.2

City of Alpharetta monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.46.08.28.89.910.711.710.29.98.86.86.3
Precipitation (mm)17814514916311913771167703968113
Sunny days129161311138919222017
Rainy days19191517201723221191014
Snow days000000000000

City of Alpharetta - weather forecast by months

City of Alpharetta weather in januaryCity of Alpharetta weather in februaryCity of Alpharetta weather in marchCity of Alpharetta weather in aprilCity of Alpharetta weather in mayCity of Alpharetta weather in juneCity of Alpharetta weather in julyCity of Alpharetta weather in augustCity of Alpharetta weather in septemberCity of Alpharetta weather in octoberCity of Alpharetta weather in novemberCity of Alpharetta weather in december

Best time to visit City of Alpharetta:

The best time to visit City of Alpharetta during the most sunny months:

  • July — 11.7(h)

The largest precipitation sum in City of Alpharetta is at

  • January — 178(mm)
  • March — 149(mm)
  • April — 163(mm)
  • August — 167(mm)

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    Frequently asked questions

    When is the best time to visit City of Alpharetta?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit City of Alpharetta.
    What is the weather like in City of Alpharetta?
    See average temperature, rainfall and daylight hours for City of Alpharetta by month in the table above.
    How many sunny days does City of Alpharetta have?
    The monthly weather statistics above show sunshine and rainfall patterns for City of Alpharetta throughout the year.