Climate in Chattanooga: average temperature by month
In Chattanooga the warmest month is July, with 30.2 °C on average in the afternoon; the coolest is January, with 9.6 °C.
Measured at the weather station Murphy, 122 km away.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 9.6 °C | 8.9 °C – 10.7 °C |
| February | 12.5 °C | 10.8 °C – 14.9 °C |
| March | 17.1 °C | 15.1 °C – 19.6 °C |
| April | 21.8 °C | 19.6 °C – 23.3 °C |
| May | 25.2 °C | 23.3 °C – 27.1 °C |
| June | 28.7 °C | 27.2 °C – 29.8 °C |
| July | 30.2 °C | 29.9 °C – 30.4 °C |
| August | 29.8 °C | 29.3 °C – 30.0 °C |
| September | 27.4 °C | 25.3 °C – 29.2 °C |
| October | 22.4 °C | 20.0 °C – 25.1 °C |
| November | 16.8 °C | 13.6 °C – 19.9 °C |
| December | 11.7 °C | 10.7 °C – 13.5 °C |