| Record high, °C |
31 |
26 |
16 |
15 |
16 |
17 |
22 |
26 |
30 |
37 |
38 |
32 |
38 |
| Average high, °C |
18 |
12 |
5 |
1 |
0 |
2 |
7 |
12 |
17 |
20 |
22 |
22 |
12 |
| Average temperature, °C |
13 |
8 |
3 |
0 |
-1 |
0 |
3 |
7 |
12 |
16 |
17 |
17 |
8 |
| Average low, °C |
8 |
4 |
0 |
-2 |
-3 |
-4 |
-1 |
2 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-1 |
-8 |
-15 |
-20 |
-27 |
-25 |
-21 |
-7 |
-2 |
0 |
2 |
1 |
-27 |
| Rain, days |
13 |
13 |
15 |
15 |
15 |
13 |
13 |
13 |
14 |
15 |
13 |
14 |
166 |
| Snow, days |
0 |
0 |
3 |
7 |
9 |
8 |
4 |
2 |
1 |
0 |
0 |
0 |
34 |
| Fog, days |
17 |
20 |
18 |
16 |
17 |
17 |
15 |
12 |
11 |
11 |
10 |
15 |
179 |
| Thunderstorms, days |
25 |
27 |
25 |
25 |
24 |
23 |
25 |
22 |
19 |
19 |
19 |
23 |
276 |
| Snowfall, cm. |
0 |
0 |
12 |
22 |
19 |
16 |
9 |
6 |
0 |
0 |
0 |
0 |
84 |
| Average precipitation, mm. |
50 |
50 |
50 |
50 |
50 |
40 |
30 |
40 |
60 |
70 |
60 |
80 |
630 |
| Relative humidity, % |
80 |
84 |
88 |
89 |
87 |
84 |
78 |
73 |
71 |
71 |
73 |
76 |
80 |
| Relative humidity morning, % |
88 |
92 |
94 |
96 |
87 |
94 |
90 |
86 |
79 |
81 |
87 |
85 |
88 |
| Relative humidity evening, % |
65 |
78 |
83 |
90 |
82 |
82 |
69 |
57 |
50 |
61 |
65 |
52 |
70 |
| Wind speed, km/h |
4 |
6 |
3 |
4 |
4 |
6 |
4 |
6 |
4 |
4 |
6 |
3 |
5 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
8 |
3 |
2 |
0 |
0 |
-3 |
0 |
3 |
8 |
10 |
15 |
13 |
59 |
| Growing degree-day, °C |
108 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
78 |
167 |
233 |
224 |
809 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
14 |
18 |
18 |
18 |
16 |
11 |