| Record high, °C |
28 |
24 |
19 |
14 |
15 |
17 |
22 |
26 |
27 |
31 |
35 |
32 |
35 |
| Average high, °C |
19 |
14 |
7 |
4 |
3 |
5 |
10 |
14 |
19 |
22 |
24 |
23 |
13 |
| Average temperature, °C |
14 |
9 |
3 |
0 |
0 |
0 |
4 |
8 |
12 |
16 |
17 |
17 |
8 |
| Average low, °C |
11 |
7 |
2 |
-1 |
-2 |
-2 |
2 |
5 |
9 |
12 |
14 |
14 |
6 |
| Record low, °C |
3 |
-1 |
-8 |
-12 |
-20 |
-14 |
-10 |
-3 |
0 |
4 |
7 |
6 |
-20 |
| Fog, days |
21 |
22 |
21 |
19 |
20 |
19 |
17 |
16 |
14 |
14 |
17 |
21 |
221 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
3 |
2 |
10 |
| Average precipitation, mm. |
102 |
87 |
72 |
73 |
74 |
63 |
68 |
83 |
101 |
125 |
128 |
123 |
1099 |
| Relative humidity, % |
79 |
84 |
84 |
85 |
84 |
79 |
74 |
71 |
72 |
72 |
71 |
76 |
78 |
| Relative humidity morning, % |
90 |
91 |
89 |
87 |
87 |
87 |
84 |
83 |
84 |
85 |
86 |
88 |
87 |
| Relative humidity evening, % |
61 |
69 |
76 |
78 |
76 |
69 |
59 |
55 |
55 |
56 |
55 |
55 |
64 |
| Wind speed, km/h |
7 |
7 |
8 |
8 |
9 |
9 |
9 |
8 |
7 |
7 |
7 |
6 |
8 |
| Monthly sunshine, часов |
158 |
105 |
58 |
38 |
42 |
76 |
118 |
139 |
166 |
178 |
211 |
192 |
1481 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
6 |
1 |
0 |
-2 |
-2 |
0 |
2 |
6 |
10 |
12 |
12 |
55 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
52 |
167 |
207 |
207 |
749 |
| Atmosphere pressure, bar |
953 |
952 |
950 |
951 |
951 |
949 |
949 |
947 |
949 |
951 |
952 |
952 |
11405 |
| Solar radiation, global, Mj/m2 |
13 |
8 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
20 |
20 |
17 |
12 |