| Record high, °C |
26 |
24 |
18 |
13 |
9 |
13 |
18 |
25 |
27 |
27 |
28 |
29 |
29 |
| Average high, °C |
18 |
14 |
10 |
3 |
3 |
6 |
6 |
16 |
17 |
19 |
18 |
21 |
13 |
| Average temperature, °C |
12 |
8 |
5 |
-1 |
-1 |
0 |
0 |
9 |
11 |
13 |
13 |
16 |
7 |
| Average low, °C |
6 |
3 |
0 |
-5 |
-6 |
-6 |
-5 |
3 |
6 |
7 |
9 |
11 |
2 |
| Record low, °C |
-1 |
-3 |
-7 |
-14 |
-13 |
-20 |
-20 |
-3 |
-1 |
2 |
1 |
4 |
-20 |
| Rain, days |
7 |
6 |
5 |
6 |
7 |
4 |
5 |
7 |
7 |
9 |
9 |
8 |
80 |
| Thunderstorms, days |
3 |
1 |
0 |
0 |
1 |
1 |
1 |
2 |
5 |
7 |
8 |
7 |
35 |
| Snowfall, cm. |
0 |
0 |
0 |
6 |
24 |
33 |
11 |
1 |
0 |
0 |
0 |
0 |
75 |
| Average precipitation, mm. |
80 |
50 |
40 |
50 |
60 |
30 |
40 |
80 |
90 |
110 |
120 |
100 |
850 |
| Relative humidity, % |
84 |
87 |
87 |
89 |
91 |
85 |
83 |
73 |
78 |
80 |
81 |
80 |
83 |
| 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 |
5 |
5 |
5 |
5 |
5 |
5 |
6 |
6 |
6 |
5 |
5 |
5 |
5 |
| Monthly sunshine, часов |
156 |
104 |
60 |
44 |
58 |
82 |
119 |
156 |
207 |
195 |
226 |
223 |
1630 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
9 |
6 |
1 |
-2 |
-2 |
-3 |
-2 |
4 |
7 |
10 |
11 |
12 |
51 |
| Growing degree-day, °C |
83 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
52 |
108 |
129 |
198 |
571 |
| Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
11 |
15 |
18 |
19 |
19 |
17 |
11 |