Climate in Decatur: average temperature by month
In Decatur the warmest month is July, with 29.8 °C on average in the afternoon; the coolest is January, with 1.6 °C.
The average of the weather stations Rock Is L&D (231 km) and Columbus (271 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 1.6 °C | 0.9 °C – 2.6 °C |
| February | 4.2 °C | 2.2 °C – 6.8 °C |
| March | 10.7 °C | 7.3 °C – 13.8 °C |
| April | 17.3 °C | 14.1 °C – 20.0 °C |
| May | 23.3 °C | 20.2 °C – 26.4 °C |
| June | 28.3 °C | 26.5 °C – 29.7 °C |
| July | 29.8 °C | 29.5 °C – 30.0 °C |
| August | 29.0 °C | 28.4 °C – 29.6 °C |
| September | 26.1 °C | 23.3 °C – 28.3 °C |
| October | 19.0 °C | 14.8 °C – 23.1 °C |
| November | 10.6 °C | 6.7 °C – 14.6 °C |
| December | 4.2 °C | 2.7 °C – 6.4 °C |