| Record high, °C |
33 |
30 |
25 |
22 |
19 |
21 |
25 |
30 |
32 |
35 |
38 |
35 |
38 |
| Average high, °C |
20 |
15 |
9 |
4 |
4 |
6 |
10 |
14 |
18 |
21 |
23 |
22 |
14 |
| Average temperature, °C |
15 |
10 |
5 |
1 |
0 |
2 |
5 |
9 |
13 |
16 |
18 |
17 |
9 |
| Average low, °C |
10 |
6 |
1 |
-3 |
-4 |
-2 |
1 |
4 |
8 |
11 |
13 |
13 |
5 |
| Record low, °C |
0 |
-5 |
-16 |
-26 |
-22 |
-25 |
-15 |
-7 |
-3 |
2 |
5 |
2 |
-26 |
| Rain, days |
9 |
7 |
7 |
7 |
7 |
6 |
6 |
7 |
7 |
9 |
9 |
9 |
90 |
| Snow, days |
5 |
8 |
8 |
9 |
9 |
7 |
4 |
4 |
3 |
2 |
3 |
4 |
66 |
| Fog, days |
5 |
8 |
8 |
9 |
9 |
7 |
4 |
4 |
3 |
2 |
3 |
4 |
66 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
5 |
7 |
8 |
7 |
33 |
| Snowfall, cm. |
0 |
0 |
10 |
15 |
19 |
21 |
9 |
2 |
0 |
0 |
0 |
0 |
76 |
| Average precipitation, mm. |
87 |
55 |
58 |
51 |
45 |
44 |
46 |
58 |
84 |
112 |
124 |
127 |
891 |
| Relative humidity, % |
80 |
80 |
80 |
80 |
75 |
70 |
70 |
65 |
70 |
70 |
75 |
75 |
74 |
| Relative humidity morning, % |
90 |
91 |
89 |
88 |
87 |
87 |
85 |
83 |
79 |
79 |
80 |
85 |
85 |
| Relative humidity evening, % |
61 |
66 |
73 |
76 |
75 |
67 |
55 |
53 |
53 |
56 |
57 |
58 |
62 |
| Wind speed, km/h |
7 |
8 |
8 |
9 |
9 |
9 |
9 |
10 |
9 |
8 |
8 |
7 |
8 |
| Monthly sunshine, часов |
155 |
117 |
69 |
49 |
58 |
82 |
121 |
131 |
161 |
163 |
188 |
173 |
1467 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
9 |
5 |
0 |
-3 |
-4 |
-4 |
-1 |
2 |
6 |
10 |
11 |
12 |
43 |
| Growing degree-day, °C |
143 |
7 |
0 |
0 |
0 |
0 |
0 |
0 |
99 |
177 |
244 |
231 |
900 |
| Atmosphere pressure, bar |
965 |
964 |
963 |
963 |
964 |
962 |
961 |
960 |
961 |
963 |
964 |
964 |
11554 |
| Solar radiation, global, Mj/m2 |
12 |
8 |
5 |
4 |
5 |
8 |
12 |
16 |
19 |
19 |
19 |
17 |
12 |