| Record high, °C |
35 |
30 |
25 |
20 |
17 |
18 |
23 |
27 |
32 |
33 |
36 |
37 |
37 |
| Average high, °C |
27 |
22 |
16 |
11 |
7 |
8 |
12 |
18 |
23 |
26 |
30 |
31 |
19 |
| Average temperature, °C |
23 |
17 |
11 |
6 |
3 |
4 |
8 |
14 |
18 |
22 |
26 |
27 |
15 |
| Average low, °C |
20 |
12 |
7 |
1 |
0 |
0 |
3 |
8 |
13 |
18 |
22 |
23 |
11 |
| Record low, °C |
11 |
2 |
-2 |
-6 |
-7 |
-7 |
-5 |
0 |
5 |
10 |
17 |
17 |
-7 |
| Rain, days |
22 |
18 |
16 |
16 |
16 |
14 |
21 |
21 |
19 |
21 |
23 |
20 |
227 |
| Snow, days |
0 |
0 |
0 |
3 |
11 |
10 |
3 |
0 |
0 |
0 |
0 |
0 |
27 |
| Fog, days |
20 |
23 |
20 |
20 |
18 |
12 |
13 |
15 |
18 |
20 |
21 |
19 |
219 |
| Thunderstorms, days |
4 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
2 |
6 |
6 |
22 |
| Snowfall, cm. |
0 |
0 |
0 |
3 |
9 |
5 |
0 |
0 |
0 |
0 |
0 |
0 |
17 |
| Average precipitation, mm. |
234 |
128 |
80 |
45 |
48 |
66 |
122 |
125 |
157 |
201 |
204 |
126 |
1535 |
| Relative humidity, % |
71 |
68 |
66 |
65 |
64 |
61 |
59 |
60 |
65 |
71 |
74 |
70 |
66 |
| Relative humidity morning, % |
86 |
83 |
81 |
79 |
76 |
75 |
73 |
77 |
80 |
86 |
87 |
86 |
81 |
| Relative humidity evening, % |
65 |
59 |
58 |
57 |
56 |
53 |
48 |
51 |
53 |
63 |
66 |
63 |
58 |
| Wind speed, km/h |
8 |
8 |
9 |
9 |
14 |
16 |
19 |
16 |
16 |
14 |
12 |
16 |
13 |
| Monthly sunshine, часов |
151 |
169 |
163 |
172 |
170 |
170 |
189 |
197 |
198 |
150 |
164 |
200 |
2093 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
18 |
11 |
5 |
0 |
-2 |
-2 |
0 |
6 |
11 |
16 |
21 |
21 |
105 |
| Growing degree-day, °C |
417 |
233 |
58 |
0 |
0 |
0 |
0 |
117 |
267 |
383 |
508 |
551 |
2534 |
| Solar radiation, global, Mj/m2 |
13 |
12 |
9 |
8 |
9 |
11 |
14 |
18 |
18 |
16 |
16 |
17 |
14 |