| Record high, °C |
31 |
27 |
20 |
19 |
13 |
17 |
25 |
25 |
28 |
32 |
35 |
34 |
35 |
| Average high, °C |
20 |
15 |
8 |
5 |
4 |
5 |
10 |
14 |
19 |
22 |
25 |
25 |
14 |
| Average temperature, °C |
15 |
11 |
5 |
2 |
1 |
2 |
6 |
9 |
14 |
17 |
20 |
19 |
10 |
| Average low, °C |
11 |
7 |
3 |
-0 |
-1 |
-1 |
2 |
5 |
9 |
12 |
14 |
14 |
6 |
| Record low, °C |
1 |
-2 |
-8 |
-11 |
-18 |
-17 |
-7 |
-4 |
-3 |
2 |
5 |
5 |
-18 |
| Fog, days |
21 |
22 |
20 |
21 |
21 |
20 |
19 |
17 |
18 |
16 |
15 |
18 |
228 |
| Thunderstorms, days |
4 |
1 |
0 |
1 |
1 |
0 |
1 |
2 |
5 |
8 |
7 |
7 |
37 |
| Average precipitation, mm. |
92 |
102 |
91 |
96 |
84 |
73 |
70 |
67 |
86 |
83 |
78 |
78 |
999 |
| Relative humidity, % |
73 |
79 |
79 |
81 |
82 |
77 |
72 |
69 |
70 |
67 |
64 |
67 |
73 |
| Relative humidity morning, % |
89 |
90 |
86 |
85 |
86 |
86 |
85 |
84 |
86 |
83 |
82 |
87 |
86 |
| Relative humidity evening, % |
55 |
66 |
71 |
75 |
73 |
66 |
56 |
51 |
51 |
50 |
46 |
47 |
59 |
| Wind speed, km/h |
8 |
8 |
9 |
9 |
9 |
10 |
10 |
10 |
9 |
9 |
9 |
8 |
9 |
| Monthly sunshine, часов |
185 |
122 |
73 |
54 |
64 |
94 |
156 |
177 |
197 |
232 |
259 |
233 |
1844 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
0 |
-1 |
-1 |
0 |
2 |
7 |
10 |
12 |
12 |
58 |
| Growing degree-day, °C |
152 |
10 |
0 |
0 |
0 |
0 |
0 |
0 |
84 |
180 |
269 |
249 |
942 |
| Atmosphere pressure, bar |
964 |
964 |
963 |
964 |
966 |
964 |
963 |
960 |
962 |
963 |
964 |
964 |
11562 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
21 |
21 |
18 |
13 |