| Record high, °C |
31 |
28 |
25 |
19 |
16 |
18 |
25 |
29 |
31 |
33 |
37 |
36 |
37 |
| Average high, °C |
20 |
15 |
7 |
3 |
3 |
5 |
10 |
14 |
20 |
22 |
24 |
24 |
14 |
| Average temperature, °C |
14 |
9 |
3 |
-0 |
-1 |
0 |
4 |
8 |
13 |
16 |
18 |
17 |
8 |
| Average low, °C |
10 |
5 |
0 |
-3 |
-4 |
-3 |
0 |
3 |
8 |
11 |
13 |
13 |
4 |
| Record low, °C |
0 |
-7 |
-15 |
-21 |
-22 |
-19 |
-20 |
-5 |
-3 |
1 |
6 |
1 |
-22 |
| Thunderstorms, days |
2 |
0 |
1 |
0 |
0 |
0 |
1 |
1 |
5 |
6 |
6 |
7 |
30 |
| Snowfall, cm. |
0 |
0 |
16 |
38 |
32 |
31 |
26 |
5 |
0 |
0 |
0 |
0 |
147 |
| Average precipitation, mm. |
137 |
105 |
130 |
138 |
119 |
94 |
134 |
122 |
137 |
187 |
215 |
181 |
1699 |
| Relative humidity morning, % |
92 |
89 |
90 |
88 |
88 |
87 |
87 |
86 |
84 |
87 |
89 |
90 |
88 |
| Relative humidity evening, % |
62 |
63 |
72 |
78 |
74 |
65 |
56 |
53 |
52 |
58 |
57 |
57 |
62 |
| Wind speed, km/h |
4 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
4 |
4 |
4 |
5 |
| Monthly sunshine, часов |
150 |
129 |
72 |
57 |
69 |
91 |
117 |
138 |
178 |
161 |
185 |
191 |
1538 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Growing degree-day, °C |
140 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
116 |
186 |
256 |
256 |
954 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
10 |
15 |
18 |
18 |
18 |
16 |
11 |