| Record high, °C |
38 |
33 |
27 |
23 |
20 |
22 |
29 |
32 |
35 |
39 |
40 |
40 |
40 |
| Average high, °C |
26 |
20 |
13 |
8 |
6 |
8 |
12 |
18 |
23 |
28 |
31 |
31 |
19 |
| Average temperature, °C |
20 |
14 |
8 |
3 |
1 |
3 |
7 |
12 |
17 |
21 |
25 |
24 |
13 |
| Average low, °C |
15 |
9 |
4 |
-0 |
-2 |
-1 |
2 |
7 |
12 |
16 |
19 |
19 |
8 |
| Record low, °C |
1 |
-6 |
-7 |
-21 |
-24 |
-15 |
-13 |
-4 |
1 |
6 |
9 |
9 |
-24 |
| Fog, days |
12 |
19 |
23 |
24 |
22 |
21 |
23 |
17 |
11 |
5 |
5 |
6 |
188 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
5 |
9 |
6 |
5 |
31 |
| Average precipitation, mm. |
40 |
30 |
30 |
20 |
10 |
20 |
30 |
50 |
80 |
70 |
40 |
40 |
460 |
| Relative humidity, % |
64 |
74 |
76 |
77 |
73 |
72 |
67 |
66 |
67 |
62 |
58 |
60 |
68 |
| Relative humidity morning, % |
82 |
87 |
87 |
86 |
85 |
87 |
84 |
82 |
81 |
79 |
76 |
79 |
83 |
| Relative humidity evening, % |
51 |
58 |
66 |
67 |
66 |
66 |
59 |
55 |
55 |
50 |
47 |
47 |
57 |
| Wind speed, km/h |
38 |
37 |
37 |
33 |
37 |
40 |
43 |
43 |
40 |
38 |
41 |
40 |
39 |
| Monthly sunshine, часов |
207 |
164 |
102 |
93 |
99 |
101 |
143 |
171 |
214 |
249 |
257 |
248 |
2048 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
12 |
8 |
3 |
0 |
-2 |
-2 |
1 |
6 |
10 |
13 |
16 |
15 |
80 |
| Growing degree-day, °C |
311 |
140 |
0 |
0 |
0 |
0 |
0 |
84 |
242 |
348 |
462 |
456 |
2043 |
| Solar radiation, global, Mj/m2 |
15 |
11 |
8 |
6 |
7 |
10 |
13 |
16 |
19 |
21 |
20 |
17 |
14 |