United States
Weather in Gary through the year
The average of the weather stations Rock Is L&D (268 km) and Columbus (296 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 1.7 °C | 1.0 °C – 2.7 °C |
| February | 4.3 °C | 2.4 °C – 6.9 °C |
| March | 10.8 °C | 7.4 °C – 13.9 °C |
| April | 17.4 °C | 14.1 °C – 20.0 °C |
| May | 23.3 °C | 20.3 °C – 26.4 °C |
| June | 28.4 °C | 26.5 °C – 29.7 °C |
| July | 29.8 °C | 29.6 °C – 30.0 °C |
| August | 29.0 °C | 28.5 °C – 29.6 °C |
| September | 26.1 °C | 23.4 °C – 28.4 °C |
| October | 19.1 °C | 14.9 °C – 23.2 °C |
| November | 10.7 °C | 6.8 °C – 14.7 °C |
| December | 4.3 °C | 2.8 °C – 6.5 °C |