| Record high, °C |
30 |
25 |
20 |
15 |
20 |
20 |
26 |
26 |
30 |
32 |
33 |
32 |
33 |
| Average high, °C |
18 |
12 |
6 |
2 |
1 |
3 |
8 |
12 |
18 |
21 |
23 |
22 |
12 |
| Average temperature, °C |
13 |
8 |
3 |
0 |
-1 |
0 |
4 |
7 |
12 |
16 |
17 |
17 |
8 |
| Average low, °C |
9 |
5 |
1 |
-1 |
-3 |
-2 |
0 |
3 |
7 |
11 |
12 |
12 |
5 |
| Record low, °C |
0 |
-6 |
-14 |
-18 |
-20 |
-23 |
-14 |
-10 |
-1 |
1 |
1 |
4 |
-23 |
| Rain, days |
8 |
6 |
5 |
7 |
6 |
5 |
6 |
7 |
7 |
9 |
9 |
9 |
84 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
1 |
1 |
1 |
2 |
5 |
7 |
8 |
7 |
35 |
| Snowfall, cm. |
0 |
0 |
8 |
23 |
28 |
23 |
14 |
6 |
0 |
0 |
0 |
0 |
101 |
| Average precipitation, mm. |
90 |
60 |
50 |
50 |
50 |
40 |
50 |
70 |
80 |
110 |
120 |
110 |
880 |
| Relative humidity, % |
83 |
85 |
86 |
86 |
85 |
83 |
78 |
75 |
74 |
75 |
76 |
78 |
80 |
| Relative humidity morning, % |
89 |
90 |
87 |
86 |
86 |
86 |
84 |
84 |
84 |
84 |
85 |
88 |
86 |
| Relative humidity evening, % |
66 |
74 |
76 |
77 |
77 |
73 |
62 |
58 |
57 |
60 |
60 |
62 |
67 |
| Wind speed, km/h |
7 |
7 |
7 |
8 |
8 |
8 |
9 |
8 |
7 |
8 |
7 |
7 |
8 |
| Monthly sunshine, часов |
164 |
93 |
46 |
29 |
32 |
64 |
122 |
158 |
193 |
206 |
235 |
207 |
1549 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
8 |
6 |
2 |
-2 |
-2 |
-2 |
0 |
3 |
8 |
11 |
13 |
12 |
57 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
95 |
183 |
250 |
224 |
868 |
| Atmosphere pressure, bar |
968 |
967 |
966 |
966 |
966 |
965 |
964 |
963 |
964 |
966 |
967 |
966 |
11588 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
18 |
19 |
19 |
17 |
11 |