| Record high, °C |
37 |
32 |
26 |
24 |
20 |
19 |
29 |
33 |
36 |
36 |
39 |
38 |
39 |
| Average high, °C |
23 |
17 |
12 |
6 |
3 |
4 |
8 |
14 |
20 |
25 |
28 |
27 |
16 |
| Average temperature, °C |
19 |
13 |
8 |
2 |
-1 |
0 |
4 |
10 |
15 |
20 |
24 |
23 |
11 |
| Average low, °C |
15 |
8 |
3 |
-2 |
-5 |
-4 |
-0 |
5 |
10 |
16 |
19 |
19 |
7 |
| Record low, °C |
2 |
-3 |
-9 |
-20 |
-22 |
-21 |
-16 |
-8 |
-1 |
5 |
9 |
7 |
-22 |
| Rain, days |
9 |
7 |
10 |
11 |
11 |
10 |
11 |
11 |
11 |
10 |
9 |
9 |
119 |
| Snow, days |
0 |
0 |
1 |
3 |
5 |
4 |
2 |
0 |
0 |
0 |
0 |
0 |
15 |
| Fog, days |
15 |
14 |
13 |
13 |
12 |
12 |
14 |
14 |
16 |
16 |
16 |
17 |
172 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
3 |
4 |
5 |
4 |
22 |
| Snowfall, cm. |
0 |
0 |
2 |
13 |
20 |
21 |
13 |
2 |
0 |
0 |
0 |
0 |
70 |
| Average precipitation, mm. |
89 |
91 |
86 |
84 |
79 |
71 |
104 |
104 |
97 |
91 |
89 |
102 |
1087 |
| Relative humidity, % |
72 |
70 |
67 |
64 |
63 |
61 |
63 |
64 |
70 |
73 |
71 |
72 |
68 |
| Relative humidity morning, % |
81 |
79 |
77 |
74 |
73 |
72 |
72 |
72 |
75 |
77 |
79 |
80 |
76 |
| Relative humidity evening, % |
61 |
60 |
62 |
63 |
61 |
59 |
56 |
55 |
58 |
60 |
60 |
61 |
60 |
| Wind speed, km/h |
16 |
17 |
17 |
17 |
17 |
18 |
19 |
18 |
17 |
15 |
15 |
15 |
17 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
14 |
7 |
1 |
-4 |
-7 |
-6 |
-3 |
2 |
9 |
14 |
18 |
17 |
62 |
| Growing degree-day, °C |
485 |
184 |
40 |
4 |
1 |
0 |
6 |
70 |
286 |
561 |
753 |
724 |
3114 |
| Solar radiation, global, Mj/m2 |
15 |
11 |
7 |
6 |
7 |
10 |
14 |
16 |
19 |
21 |
20 |
18 |
14 |