| Record high, °C |
37 |
35 |
30 |
27 |
27 |
28 |
31 |
36 |
38 |
38 |
41 |
40 |
41 |
| Average high, °C |
27 |
22 |
17 |
12 |
11 |
11 |
16 |
21 |
25 |
29 |
30 |
30 |
21 |
| Average temperature, °C |
22 |
17 |
11 |
7 |
6 |
6 |
10 |
15 |
19 |
24 |
26 |
25 |
16 |
| Average low, °C |
18 |
12 |
6 |
1 |
0 |
0 |
4 |
9 |
14 |
18 |
21 |
20 |
10 |
| Record low, °C |
7 |
-3 |
-7 |
-14 |
-19 |
-13 |
-8 |
-2 |
2 |
7 |
12 |
9 |
-19 |
| Rain, days |
8 |
8 |
8 |
9 |
11 |
10 |
11 |
10 |
10 |
9 |
11 |
10 |
115 |
| Snow, days |
0 |
0 |
0 |
1 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
4 |
| Fog, days |
14 |
14 |
13 |
12 |
13 |
12 |
12 |
11 |
13 |
12 |
12 |
15 |
153 |
| Thunderstorms, days |
3 |
1 |
1 |
0 |
0 |
1 |
2 |
3 |
5 |
6 |
9 |
7 |
38 |
| Snowfall, cm. |
0 |
0 |
0 |
3 |
8 |
6 |
4 |
0 |
0 |
0 |
0 |
0 |
21 |
| Average precipitation, mm. |
109 |
83 |
74 |
88 |
98 |
86 |
98 |
82 |
99 |
106 |
148 |
139 |
1210 |
| Relative humidity, % |
75 |
72 |
71 |
69 |
67 |
65 |
66 |
66 |
71 |
73 |
73 |
75 |
70 |
| Relative humidity morning, % |
83 |
82 |
79 |
75 |
74 |
74 |
74 |
73 |
77 |
79 |
81 |
84 |
78 |
| Relative humidity evening, % |
62 |
60 |
58 |
59 |
59 |
56 |
53 |
50 |
56 |
57 |
60 |
63 |
58 |
| Wind speed, km/h |
15 |
15 |
15 |
16 |
17 |
17 |
18 |
18 |
17 |
15 |
14 |
13 |
16 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
11 |
6 |
1 |
-1 |
-0 |
3 |
8 |
13 |
18 |
21 |
20 |
117 |
| Growing degree-day, °C |
669 |
377 |
149 |
51 |
30 |
33 |
106 |
268 |
516 |
759 |
919 |
865 |
4742 |
| Solar radiation, global, Mj/m2 |
17 |
14 |
9 |
7 |
8 |
11 |
15 |
19 |
22 |
23 |
23 |
21 |
16 |