| Record high, °C |
28 |
24 |
19 |
14 |
15 |
17 |
22 |
26 |
27 |
31 |
35 |
32 |
35 |
| Average high, °C |
20 |
14 |
7 |
3 |
2 |
5 |
9 |
13 |
18 |
21 |
24 |
23 |
13 |
| Average temperature, °C |
14 |
9 |
4 |
1 |
-1 |
1 |
4 |
8 |
12 |
16 |
18 |
17 |
9 |
| Average low, °C |
9 |
5 |
1 |
-2 |
-4 |
-3 |
-0 |
3 |
7 |
10 |
12 |
12 |
4 |
| 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. |
86 |
68 |
83 |
76 |
69 |
69 |
68 |
82 |
100 |
117 |
105 |
120 |
1043 |
| Relative humidity, % |
79 |
85 |
85 |
86 |
86 |
82 |
76 |
73 |
72 |
73 |
72 |
75 |
79 |
| 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 |
5 |
5 |
6 |
7 |
7 |
7 |
8 |
7 |
6 |
6 |
6 |
5 |
6 |
| Monthly sunshine, часов |
150 |
90 |
47 |
28 |
33 |
63 |
109 |
136 |
167 |
182 |
215 |
191 |
1411 |
| 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 |
126 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
74 |
167 |
242 |
225 |
833 |
| Atmosphere pressure, bar |
966 |
965 |
965 |
966 |
967 |
966 |
964 |
962 |
963 |
965 |
966 |
965 |
11580 |
| Solar radiation, global, Mj/m2 |
13 |
8 |
5 |
4 |
5 |
8 |
12 |
15 |
19 |
20 |
20 |
17 |
12 |