Weather in Affton in August

General weather information about Affton

Average annual temperature is 14.4 °C

Absolute maximum temperature: 37.8 °C

Absolute minimum temperature: -11.4 °C

Number of sunny days: 203 days

Number of rainy days: 162 days

Look at detailed online map of Affton

* Weather data for Affton United States is based on climate observations for 2026 year

Affton air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.220.422.427.930.734.337.337.832.629.126.817.6
Average daytime temperature (°C)8.311.112.820.525.429.832.029.827.020.214.110.1
Average temperature (°C)3.35.16.613.519.323.526.024.621.315.08.35.5
Average night temperature (°C)-0.20.62.07.613.617.721.020.416.410.63.82.2
Absolute minimum temperature (°C)-11.4-10.3-6.90.45.312.217.214.011.0-2.2-5.3-5.6

Affton monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.27.46.810.010.512.411.69.510.27.67.65.7
Precipitation (mm)6856210561439212117152581589
Sunny days17181320171891219182418
Rainy days14101810141222191113613
Snow days000000000000

Affton - weather forecast by months

Affton weather in januaryAffton weather in februaryAffton weather in marchAffton weather in aprilAffton weather in mayAffton weather in juneAffton weather in julyAffton weather in augustAffton weather in septemberAffton weather in octoberAffton weather in novemberAffton weather in december

Best time to visit Affton:

The best time to visit Affton during the most sunny months:

  • June — 12.4(h)
  • July — 11.6(h)

The largest precipitation sum in Affton is at

  • March — 210(mm)
  • May — 143(mm)
  • July — 121(mm)
  • August — 171(mm)

    • Weather forecast in the closest to Affton admin centers

    Weather forecast in the closest towns to Affton

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    Frequently asked questions

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