| Record high, °C |
30 |
26 |
17 |
16 |
13 |
18 |
21 |
24 |
29 |
32 |
33 |
35 |
35 |
| Average high, °C |
18 |
13 |
8 |
5 |
4 |
5 |
8 |
12 |
16 |
19 |
21 |
21 |
13 |
| Average temperature, °C |
14 |
10 |
6 |
3 |
2 |
2 |
6 |
8 |
12 |
15 |
17 |
17 |
9 |
| Average low, °C |
10 |
7 |
3 |
1 |
0 |
0 |
2 |
3 |
7 |
11 |
12 |
12 |
6 |
| Record low, °C |
2 |
-1 |
-8 |
-15 |
-17 |
-13 |
-7 |
-4 |
0 |
2 |
2 |
3 |
-17 |
| Rain, days |
16 |
18 |
19 |
20 |
20 |
14 |
20 |
19 |
19 |
18 |
17 |
16 |
216 |
| Snow, days |
0 |
0 |
2 |
5 |
7 |
7 |
4 |
3 |
0 |
0 |
0 |
0 |
28 |
| Fog, days |
20 |
21 |
19 |
21 |
19 |
19 |
19 |
18 |
18 |
21 |
19 |
21 |
235 |
| Thunderstorms, days |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
5 |
5 |
4 |
4 |
28 |
| Average precipitation, mm. |
59 |
71 |
78 |
76 |
67 |
54 |
73 |
57 |
70 |
78 |
75 |
63 |
821 |
| Relative humidity, % |
85 |
85 |
90 |
90 |
90 |
85 |
80 |
75 |
75 |
80 |
75 |
80 |
83 |
| Relative humidity morning, % |
91 |
92 |
91 |
90 |
90 |
88 |
88 |
88 |
89 |
91 |
91 |
90 |
90 |
| Relative humidity evening, % |
70 |
78 |
84 |
87 |
85 |
78 |
72 |
63 |
63 |
66 |
64 |
62 |
73 |
| Wind speed, km/h |
17 |
17 |
19 |
20 |
20 |
20 |
19 |
16 |
14 |
14 |
16 |
14 |
17 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
11 |
7 |
3 |
1 |
0 |
0 |
2 |
3 |
7 |
11 |
12 |
12 |
69 |
| Growing degree-day, °C |
133 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
69 |
158 |
224 |
224 |
826 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
5 |
9 |
13 |
18 |
18 |
18 |
16 |
10 |