| Month | Average (mean) | Lowest | Highest |
|---|---|---|---|
| January 2013 | 24.59° | -2.2° | 58.5° |
| February 2013 | 24.55° | -3.3° | 50.9° |
| March 2013 | 30.86° | 8.2° | 58.6° |
| April 2013 | 46.71° | 22.3° | 86.7° |
| May 2013 | 63.36° | 35.2° | 90.3° |
| June 2013 | 71.12° | 46.4° | 91.8° |
| July 2013 | 74.92° | 55.6° | 97.7° |
| August 2013 | 73.59° | 53.8° | 96.8° |
| September 2013 | 66.42° | 45.5° | 95.2° |
| October 2013 | 52.42° | 25.5° | 79.2° |
| November 2013 | 37.00° | 9.1° | 64.6° |
| December 2013 | 20.52° | -6.9° | 51.1° |