| Month | Normal Minimum Temperature | Extreme Minimum Temperature* | Most Recent Date of Occurrence |
|---|---|---|---|
| January | 26.9 | -5 | 1/19/57 |
| February | 28.6 | 2 | 2/18/79 |
| March | 36.2 | 9 | 3/11/60 |
| April | 43.7 | 22 | 4/6/95 |
| May | 53.5 | 32 | 5/11/66 |
| June | 62.3 | 41 | 6/5/97 |
| July | 67.1 | 48 | 7/2/52 |
| August | 66.1 | 45 | 8/29/86 |
| September | 59.2 | 35 | 9/21/56 |
| October | 48.0 | 26 | 10/29/76 |
| November | 39.8 | 14 | 11/24/89 |
| December | 31.3 | -4 | 12/16/58 |
*Extreme Minimum Temperatures from 1948 through 1998.