Weather in City of Decatur in December

General weather information about City of Decatur

Average annual temperature is 16.9 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 162 days

Number of rainy days: 203 days

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

City of Decatur air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.324.525.027.530.032.435.235.533.227.825.420.6
Average daytime temperature (°C)14.117.218.121.324.528.732.131.527.822.617.213.5
Average temperature (°C)9.011.912.415.619.323.026.225.822.317.211.68.3
Average night temperature (°C)5.17.87.410.814.818.121.321.317.412.47.23.9
Absolute minimum temperature (°C)-3.9-3.2-4.64.05.714.418.517.112.55.9-2.5-3.1

City of Decatur 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)10.211.012.013.013.914.414.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)5.56.18.39.210.010.911.610.710.18.86.76.5
Precipitation (mm)13414616212998105140161774968110
Sunny days1391612111061017191920
Rainy days181915182020252113121111
Snow days000000000000

City of Decatur - weather forecast by months

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

Best time to visit City of Decatur:

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

  • June — 10.9(h)
  • July — 11.6(h)

The largest precipitation sum in City of Decatur is at

  • February — 146(mm)
  • March — 162(mm)
  • August — 161(mm)

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    Frequently asked questions

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