| Record high, °C |
32 |
33 |
27 |
19 |
17 |
18 |
25 |
27 |
31 |
37 |
37 |
37 |
37 |
| Average high, °C |
25 |
19 |
15 |
11 |
9 |
9 |
11 |
16 |
21 |
26 |
28 |
28 |
18 |
| Average temperature, °C |
21 |
16 |
12 |
8 |
6 |
7 |
8 |
13 |
17 |
22 |
24 |
24 |
15 |
| Average low, °C |
17 |
13 |
9 |
6 |
3 |
4 |
5 |
9 |
13 |
17 |
19 |
19 |
11 |
| Record low, °C |
5 |
2 |
-2 |
-3 |
-8 |
-8 |
-6 |
0 |
3 |
8 |
10 |
8 |
-8 |
| Fog, days |
16 |
19 |
21 |
21 |
23 |
20 |
24 |
21 |
18 |
15 |
15 |
15 |
228 |
| Thunderstorms, days |
2 |
3 |
2 |
1 |
1 |
1 |
1 |
1 |
2 |
4 |
3 |
2 |
23 |
| Average precipitation, mm. |
36 |
64 |
79 |
111 |
97 |
60 |
61 |
48 |
28 |
23 |
19 |
28 |
654 |
| Relative humidity, % |
70 |
80 |
80 |
80 |
80 |
80 |
75 |
75 |
70 |
70 |
65 |
70 |
75 |
| Relative humidity morning, % |
82 |
83 |
81 |
81 |
82 |
81 |
83 |
81 |
84 |
83 |
83 |
84 |
82 |
| Relative humidity evening, % |
53 |
61 |
66 |
71 |
71 |
68 |
65 |
61 |
59 |
55 |
51 |
52 |
61 |
| Wind speed, km/h |
19 |
16 |
17 |
17 |
16 |
19 |
17 |
17 |
17 |
17 |
19 |
20 |
18 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
12 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
13 |
10 |
6 |
3 |
1 |
1 |
2 |
6 |
10 |
13 |
16 |
16 |
97 |
| Growing degree-day, °C |
325 |
181 |
58 |
0 |
0 |
0 |
0 |
67 |
207 |
333 |
413 |
413 |
1997 |
| Solar radiation, global, Mj/m2 |
18 |
10 |
6 |
5 |
5 |
8 |
13 |
17 |
23 |
26 |
27 |
23 |
15 |