United States
Weather in Decatur through the year
The average of the weather stations Milan Exp Stn (216 km), Greensboro (220 km) and Batesville (274 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 11.5 °C | 11.1 °C – 12.3 °C |
| February | 14.2 °C | 12.5 °C – 16.6 °C |
| March | 19.1 °C | 16.9 °C – 21.6 °C |
| April | 23.4 °C | 21.7 °C – 25.2 °C |
| May | 27.5 °C | 25.4 °C – 29.6 °C |
| June | 31.3 °C | 29.7 °C – 32.4 °C |
| July | 32.7 °C | 32.5 °C – 32.9 °C |
| August | 32.5 °C | 31.9 °C – 32.8 °C |
| September | 30.1 °C | 27.9 °C – 31.9 °C |
| October | 24.6 °C | 21.4 °C – 27.7 °C |
| November | 18.0 °C | 14.9 °C – 21.2 °C |
| December | 13.0 °C | 12.1 °C – 14.7 °C |