| Record high, °C |
28 |
22 |
17 |
12 |
7 |
11 |
15 |
18 |
25 |
28 |
33 |
34 |
34 |
| Average high, °C |
20 |
15 |
8 |
2 |
0 |
0 |
2 |
8 |
13 |
16 |
20 |
23 |
11 |
| Average temperature, °C |
16 |
10 |
3 |
-1 |
-5 |
-4 |
0 |
4 |
9 |
13 |
17 |
20 |
7 |
| Average low, °C |
12 |
5 |
0 |
-6 |
-9 |
-9 |
-4 |
0 |
5 |
10 |
15 |
17 |
3 |
| Record low, °C |
2 |
-2 |
-16 |
-18 |
-24 |
-23 |
0 |
-7 |
-4 |
2 |
8 |
10 |
-24 |
| Rain, days |
9 |
8 |
7 |
8 |
10 |
7 |
7 |
6 |
6 |
6 |
6 |
7 |
87 |
| Snow, days |
0 |
1 |
14 |
26 |
30 |
26 |
26 |
8 |
0 |
0 |
0 |
0 |
131 |
| Fog, days |
9 |
9 |
4 |
5 |
5 |
6 |
7 |
11 |
12 |
15 |
18 |
16 |
117 |
| Thunderstorms, days |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
2 |
11 |
| Snowfall, cm. |
0 |
0 |
30 |
58 |
88 |
66 |
55 |
2 |
0 |
0 |
0 |
0 |
299 |
| Average precipitation, mm. |
134 |
115 |
105 |
103 |
101 |
81 |
70 |
60 |
59 |
62 |
85 |
118 |
1093 |
| Relative humidity, % |
84 |
80 |
78 |
77 |
76 |
76 |
77 |
76 |
76 |
82 |
87 |
87 |
80 |
| Relative humidity morning, % |
90 |
84 |
77 |
78 |
78 |
79 |
81 |
83 |
86 |
90 |
90 |
91 |
84 |
| Relative humidity evening, % |
67 |
63 |
65 |
69 |
71 |
69 |
66 |
61 |
63 |
71 |
71 |
73 |
67 |
| Wind speed, km/h |
17 |
19 |
22 |
20 |
22 |
20 |
22 |
28 |
22 |
20 |
19 |
19 |
21 |
| Monthly sunshine, часов |
161 |
152 |
100 |
86 |
93 |
104 |
147 |
177 |
198 |
188 |
165 |
171 |
1740 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
16 |
14 |
13 |
| Dew point, °C |
13 |
7 |
0 |
-6 |
-8 |
-8 |
-5 |
1 |
6 |
11 |
16 |
18 |
45 |
| Growing degree-day, °C |
175 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
83 |
233 |
301 |
792 |
| Solar radiation, global, Mj/m2 |
12 |
9 |
5 |
5 |
6 |
10 |
13 |
16 |
19 |
19 |
16 |
15 |
12 |