| Record high, °C |
41 |
38 |
31 |
30 |
27 |
29 |
36 |
36 |
39 |
41 |
42 |
41 |
42 |
| Average high, °C |
29 |
24 |
19 |
13 |
13 |
14 |
18 |
24 |
28 |
31 |
32 |
32 |
23 |
| Average temperature, °C |
23 |
17 |
12 |
7 |
6 |
7 |
11 |
16 |
21 |
25 |
27 |
26 |
16 |
| Average low, °C |
17 |
10 |
4 |
1 |
-0 |
1 |
4 |
9 |
14 |
19 |
21 |
20 |
10 |
| Record low, °C |
-2 |
-6 |
-9 |
-17 |
-18 |
-21 |
-10 |
-7 |
0 |
4 |
11 |
8 |
-21 |
| Rain, days |
8 |
6 |
7 |
9 |
11 |
9 |
10 |
8 |
10 |
10 |
13 |
11 |
112 |
| Snow, days |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Fog, days |
21 |
16 |
15 |
15 |
15 |
13 |
14 |
12 |
18 |
19 |
21 |
23 |
202 |
| Thunderstorms, days |
4 |
1 |
1 |
1 |
1 |
1 |
3 |
4 |
6 |
8 |
12 |
9 |
51 |
| Snowfall, cm. |
0 |
0 |
0 |
1 |
2 |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
7 |
| Average precipitation, mm. |
110 |
69 |
71 |
82 |
88 |
91 |
98 |
85 |
90 |
119 |
147 |
145 |
1195 |
| Relative humidity, % |
75 |
72 |
69 |
67 |
65 |
61 |
61 |
62 |
67 |
72 |
74 |
76 |
68 |
| Relative humidity morning, % |
82 |
79 |
76 |
71 |
72 |
73 |
73 |
73 |
78 |
78 |
82 |
84 |
77 |
| Relative humidity evening, % |
55 |
52 |
52 |
51 |
53 |
52 |
49 |
45 |
51 |
50 |
57 |
59 |
52 |
| Wind speed, km/h |
11 |
10 |
11 |
11 |
12 |
13 |
14 |
14 |
12 |
11 |
10 |
9 |
11 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
16 |
10 |
6 |
0 |
-1 |
0 |
3 |
7 |
13 |
17 |
20 |
20 |
111 |
| Growing degree-day, °C |
675 |
373 |
155 |
53 |
32 |
45 |
144 |
324 |
575 |
802 |
941 |
887 |
5006 |
| Solar radiation, global, Mj/m2 |
16 |
14 |
10 |
8 |
9 |
11 |
15 |
19 |
21 |
21 |
21 |
18 |
15 |