| Record high, °C |
37 |
30 |
26 |
22 |
20 |
22 |
26 |
28 |
31 |
33 |
37 |
37 |
37 |
| Average high, °C |
28 |
22 |
17 |
11 |
8 |
10 |
14 |
20 |
24 |
27 |
31 |
32 |
20 |
| Average temperature, °C |
23 |
16 |
11 |
6 |
3 |
4 |
8 |
13 |
18 |
22 |
26 |
27 |
15 |
| Average low, °C |
18 |
10 |
5 |
0 |
-1 |
0 |
2 |
7 |
12 |
17 |
22 |
22 |
10 |
| Record low, °C |
10 |
3 |
-1 |
-3 |
-6 |
-7 |
-3 |
1 |
5 |
10 |
17 |
17 |
-7 |
| Rain, days |
24 |
20 |
23 |
23 |
23 |
19 |
25 |
23 |
24 |
24 |
24 |
23 |
275 |
| Snow, days |
0 |
0 |
0 |
4 |
8 |
7 |
2 |
0 |
0 |
0 |
0 |
0 |
21 |
| Fog, days |
9 |
11 |
8 |
8 |
4 |
4 |
6 |
7 |
9 |
12 |
10 |
10 |
98 |
| Thunderstorms, days |
3 |
1 |
1 |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
7 |
9 |
32 |
| Snowfall, cm. |
0 |
1 |
11 |
23 |
23 |
19 |
24 |
4 |
0 |
0 |
0 |
0 |
105 |
| Average precipitation, mm. |
203 |
86 |
81 |
62 |
78 |
81 |
95 |
132 |
146 |
208 |
252 |
153 |
1577 |
| Relative humidity, % |
73 |
67 |
67 |
64 |
63 |
63 |
65 |
65 |
68 |
74 |
75 |
72 |
68 |
| Relative humidity morning, % |
87 |
85 |
82 |
78 |
76 |
77 |
79 |
82 |
84 |
87 |
88 |
87 |
83 |
| Relative humidity evening, % |
64 |
57 |
57 |
57 |
58 |
57 |
55 |
58 |
58 |
67 |
69 |
65 |
60 |
| Wind speed, km/h |
12 |
8 |
8 |
9 |
9 |
12 |
12 |
14 |
14 |
14 |
14 |
12 |
12 |
| Monthly sunshine, часов |
163 |
177 |
136 |
117 |
102 |
121 |
150 |
182 |
195 |
149 |
174 |
202 |
1867 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
18 |
12 |
7 |
2 |
0 |
0 |
3 |
8 |
12 |
17 |
22 |
22 |
123 |
| Growing degree-day, °C |
383 |
181 |
25 |
0 |
0 |
0 |
0 |
100 |
241 |
350 |
499 |
517 |
2296 |
| Solar radiation, global, Mj/m2 |
14 |
13 |
10 |
8 |
9 |
11 |
14 |
17 |
18 |
16 |
17 |
17 |
14 |