| Record high, °C |
34 |
27 |
24 |
21 |
17 |
20 |
23 |
27 |
33 |
31 |
36 |
36 |
36 |
| Average high, °C |
24 |
19 |
13 |
7 |
3 |
5 |
8 |
13 |
18 |
21 |
26 |
27 |
15 |
| Average temperature, °C |
20 |
12 |
8 |
3 |
0 |
1 |
3 |
8 |
13 |
17 |
22 |
23 |
11 |
| Average low, °C |
16 |
6 |
3 |
-1 |
-4 |
-3 |
-1 |
3 |
8 |
13 |
19 |
20 |
7 |
| Record low, °C |
5 |
1 |
-4 |
-10 |
-11 |
-11 |
-8 |
-5 |
0 |
5 |
11 |
12 |
-11 |
| Rain, days |
8 |
7 |
4 |
3 |
3 |
4 |
4 |
7 |
6 |
7 |
7 |
7 |
67 |
| Snow, days |
0 |
0 |
3 |
16 |
25 |
22 |
15 |
1 |
0 |
0 |
0 |
0 |
82 |
| Fog, days |
12 |
12 |
10 |
8 |
5 |
4 |
8 |
11 |
12 |
15 |
17 |
17 |
131 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
1 |
4 |
| Snowfall, cm. |
0 |
0 |
1 |
6 |
18 |
15 |
10 |
4 |
0 |
0 |
0 |
0 |
54 |
| Average precipitation, mm. |
150 |
120 |
60 |
40 |
30 |
40 |
60 |
110 |
90 |
120 |
130 |
120 |
1070 |
| Relative humidity, % |
84 |
79 |
75 |
74 |
73 |
70 |
68 |
70 |
75 |
83 |
87 |
86 |
77 |
| Relative humidity morning, % |
89 |
87 |
82 |
78 |
78 |
79 |
78 |
80 |
82 |
88 |
90 |
89 |
83 |
| Relative humidity evening, % |
71 |
64 |
63 |
62 |
61 |
60 |
58 |
62 |
66 |
75 |
77 |
75 |
66 |
| Wind speed, km/h |
9 |
9 |
9 |
9 |
9 |
14 |
16 |
14 |
14 |
12 |
9 |
12 |
11 |
| Monthly sunshine, часов |
121 |
149 |
140 |
139 |
148 |
152 |
177 |
189 |
185 |
134 |
120 |
144 |
1796 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
16 |
10 |
3 |
-1 |
-4 |
-3 |
-1 |
3 |
9 |
14 |
19 |
20 |
85 |
| Growing degree-day, °C |
308 |
86 |
0 |
0 |
0 |
0 |
0 |
0 |
121 |
233 |
396 |
439 |
1584 |
| Solar radiation, global, Mj/m2 |
11 |
10 |
8 |
7 |
8 |
12 |
15 |
18 |
18 |
16 |
15 |
15 |
13 |