| Record high, °C |
37 |
30 |
27 |
24 |
21 |
23 |
28 |
33 |
37 |
37 |
41 |
38 |
41 |
| Average high, °C |
24 |
18 |
12 |
6 |
4 |
5 |
10 |
16 |
21 |
26 |
29 |
28 |
17 |
| Average temperature, °C |
20 |
14 |
9 |
3 |
0 |
2 |
5 |
11 |
17 |
22 |
25 |
24 |
13 |
| Average low, °C |
16 |
10 |
5 |
-1 |
-3 |
-2 |
1 |
7 |
12 |
17 |
21 |
20 |
9 |
| Record low, °C |
5 |
-1 |
-8 |
-18 |
-20 |
-19 |
-12 |
-7 |
2 |
8 |
12 |
10 |
-20 |
| Rain, days |
9 |
8 |
10 |
11 |
10 |
9 |
11 |
11 |
11 |
10 |
10 |
9 |
120 |
| Snow, days |
0 |
0 |
0 |
2 |
4 |
3 |
2 |
0 |
0 |
0 |
0 |
0 |
12 |
| Fog, days |
11 |
11 |
9 |
10 |
9 |
9 |
10 |
9 |
11 |
10 |
9 |
10 |
118 |
| Thunderstorms, days |
4 |
2 |
1 |
0 |
0 |
0 |
2 |
3 |
6 |
9 |
11 |
8 |
46 |
| Snowfall, cm. |
0 |
0 |
1 |
10 |
18 |
21 |
11 |
1 |
0 |
0 |
0 |
0 |
62 |
| Average precipitation, mm. |
98 |
87 |
95 |
90 |
84 |
77 |
102 |
97 |
99 |
91 |
114 |
105 |
1139 |
| Relative humidity, % |
68 |
66 |
63 |
61 |
61 |
57 |
58 |
57 |
62 |
64 |
64 |
66 |
62 |
| Relative humidity morning, % |
79 |
78 |
76 |
74 |
73 |
71 |
69 |
67 |
70 |
71 |
72 |
76 |
73 |
| Relative humidity evening, % |
55 |
53 |
57 |
59 |
58 |
54 |
51 |
48 |
51 |
51 |
52 |
54 |
54 |
| Wind speed, km/h |
15 |
15 |
17 |
17 |
18 |
18 |
19 |
18 |
16 |
15 |
15 |
14 |
16 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
14 |
7 |
2 |
-4 |
-6 |
-6 |
-3 |
3 |
9 |
15 |
17 |
17 |
65 |
| Growing degree-day, °C |
567 |
250 |
65 |
10 |
2 |
3 |
22 |
130 |
382 |
654 |
841 |
804 |
3730 |
| Solar radiation, global, Mj/m2 |
15 |
11 |
7 |
6 |
7 |
10 |
14 |
16 |
19 |
21 |
20 |
18 |
14 |