| January |
| Average High: |
-6.3° C |
| Average Low: |
-15.7° C |
| Record High (1981): |
13.9° C |
| Record Low (1970): |
-36.7° C |
|
| February |
| Average High: |
-3.0° C |
| Average Low: |
-12.7° C |
| Record High (1981): |
15.6° C |
| Record Low (1965): |
-33.3° C |
|
| March |
| Average High: |
4.0° C |
| Average Low: |
-5.6° C |
| Record High (1986): |
28.3° C |
| Record Low (1962): |
-35.6° C |
|
| April |
| Average High: |
13.6° C |
| Average Low: |
2.2° C |
| Record High (1980): |
35.0° C |
| Record Low (1967): |
-16.7° C |
|
| May |
| Average High: |
20.8° C |
| Average Low: |
8.7° C |
| Record High (1978): |
35.6° C |
| Record Low (1945): |
-7.8° C |
|
| June |
| Average High: |
26.0° C |
| Average Low: |
14.3° C |
| Record High (1985): |
38.9° C |
| Record Low (1972): |
1.1° C |
|
| July |
| Average High: |
28.9° C |
| Average Low: |
17.1° C |
| Record High (1988): |
40.6° C |
| Record Low (1967): |
6.1° C |
|
| August |
| Average High: |
27.1° C |
| Average Low: |
15.9° C |
| Record High (1947): |
38.9° C |
| Record Low (1974): |
3.9° C |
|
| September |
| Average High: |
21.5° C |
| Average Low: |
10.2° C |
| Record High (1976): |
36.7° C |
| Record Low (1972): |
-3.3° C |
|
| October |
| Average High: |
14.9° C |
| Average Low: |
4.2° C |
| Record High (1953): |
31.7° C |
| Record Low (1964): |
-9.4° C |
|
| November |
| Average High: |
5.0° C |
| Average Low: |
-4.0° C |
| Record High (1978): |
23.3° C |
| Record Low (1983): |
-27.2° C |
|
| December |
| Average High: |
-3.6° C |
| Average Low: |
-11.7° C |
| Record High (1982): |
17.2° C |
| Record Low : |
-33.9° C |
|