| Month | Avg. High | Avg. Low | Avg. Precip | Rec. High | Rec. Low |
|---|---|---|---|---|---|
| January | 2.0° C | -11.0° C | 0.94 cm | 24.4° C(11/01/1990) | -35.0° C (12/01/1912) |
| February | 6.0° C | -8.0° C | 1.22 cm | 27.2° C(25/02/1917) | -39.4° C (13/02/1899) |
| March | 12.0° C | -3.0° C | 4.80 cm | 35.6° C(21/03/1907) | -27.2° C (11/03/1948) |
| April | 18.0° C | 3.0° C | 5.99 cm | 36.7° C(23/04/1989) | -14.4° C (02/04/1899) |
| May | 23.0° C | 9.0° C | 10.31 cm | 40.0° C(28/05/1895) | -8.3° C (01/05/1909) |
| June | 29.0° C | 15.0° C | 8.61 cm | 45.6° C(26/06/1936) | 2.2° C (11/06/1903) |
| July | 32.0° C | 18.0° C | 8.74 cm | 46.7° C(24/07/1936) | 5.6° C (30/07/1971) |
| August | 31.0° C | 17.0° C | 8.56 cm | 45.0° C(11/08/1936) | 1.7° C (21/08/1908) |
| September | 26.0° C | 11.0° C | 6.50 cm | 45.0° C(07/09/1897) | -7.2° C (20/09/1918) |
| October | 19.0° C | 3.0° C | 3.56 cm | 37.2° C(05/10/1947) | -14.4° C (29/10/1913) |
| November | 10.0° C | -4.0° C | 3.23 cm | 29.4° C(05/11/1945) | -25.0° C (22/11/1929) |
| December | 4.0° C | -9.0° C | 1.12 cm | 26.7° C(06/12/1939) | -36.1° C (23/12/1989) |