Decatur · United States
Weather in Decatur in December
In December the typical daytime high in Decatur is 4.2 °C on average, from 6.4 °C at the start to 2.7 °C at the end of the month.
The last 10 years were 1.5 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Rock Is L&D (231 km) and Columbus (271 km); nearer ones count more.