| Record high, °C |
35 |
30 |
26 |
21 |
17 |
22 |
22 |
27 |
31 |
32 |
35 |
36 |
36 |
| Average high, °C |
27 |
22 |
17 |
11 |
8 |
10 |
13 |
18 |
22 |
25 |
29 |
30 |
19 |
| Average temperature, °C |
25 |
20 |
15 |
10 |
7 |
8 |
11 |
16 |
21 |
23 |
27 |
28 |
18 |
| Average low, °C |
23 |
18 |
13 |
7 |
5 |
6 |
9 |
15 |
18 |
22 |
26 |
27 |
16 |
| Record low, °C |
12 |
3 |
2 |
-2 |
-2 |
-3 |
-2 |
1 |
10 |
11 |
18 |
18 |
-3 |
| Rain, days |
10 |
7 |
8 |
9 |
9 |
8 |
11 |
10 |
9 |
12 |
11 |
8 |
112 |
| Snow, days |
0 |
0 |
0 |
1 |
3 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
7 |
| Fog, days |
1 |
1 |
0 |
1 |
1 |
1 |
1 |
2 |
2 |
4 |
3 |
2 |
19 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
3 |
| Snowfall, cm. |
0 |
1 |
11 |
23 |
23 |
19 |
24 |
4 |
0 |
0 |
0 |
0 |
105 |
| Average precipitation, mm. |
228 |
103 |
88 |
78 |
73 |
86 |
124 |
187 |
187 |
329 |
289 |
191 |
1963 |
| Relative humidity, % |
73 |
67 |
67 |
64 |
63 |
63 |
65 |
65 |
68 |
74 |
75 |
72 |
68 |
| Relative humidity morning, % |
86 |
81 |
80 |
78 |
76 |
78 |
81 |
83 |
85 |
89 |
89 |
87 |
83 |
| Relative humidity evening, % |
63 |
55 |
55 |
55 |
55 |
53 |
54 |
56 |
59 |
69 |
72 |
66 |
59 |
| Wind speed, km/h |
16 |
14 |
12 |
9 |
12 |
14 |
14 |
14 |
12 |
9 |
9 |
12 |
12 |
| Monthly sunshine, часов |
163 |
177 |
136 |
117 |
102 |
121 |
150 |
182 |
195 |
149 |
174 |
202 |
1867 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
11 |
12 |
14 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
18 |
12 |
7 |
2 |
0 |
0 |
3 |
8 |
13 |
18 |
22 |
22 |
125 |
| Growing degree-day, °C |
467 |
336 |
158 |
0 |
0 |
0 |
43 |
208 |
336 |
417 |
551 |
586 |
3101 |
| Solar radiation, global, Mj/m2 |
15 |
13 |
10 |
8 |
9 |
11 |
14 |
18 |
19 |
17 |
18 |
19 |
14 |