| Record high, °C |
31 |
27 |
23 |
21 |
13 |
15 |
18 |
26 |
29 |
31 |
33 |
33 |
33 |
| Average high, °C |
22 |
17 |
11 |
6 |
3 |
3 |
7 |
12 |
17 |
20 |
23 |
26 |
14 |
| Average temperature, °C |
20 |
14 |
8 |
3 |
0 |
1 |
3 |
9 |
14 |
18 |
21 |
23 |
11 |
| Average low, °C |
17 |
10 |
5 |
1 |
-2 |
-1 |
0 |
6 |
11 |
16 |
19 |
21 |
9 |
| Record low, °C |
7 |
1 |
-2 |
-8 |
-10 |
-11 |
-6 |
-2 |
1 |
8 |
10 |
13 |
-11 |
| Rain, days |
7 |
6 |
4 |
5 |
4 |
3 |
4 |
7 |
6 |
10 |
7 |
6 |
69 |
| Snow, days |
0 |
0 |
2 |
8 |
14 |
14 |
9 |
0 |
0 |
0 |
0 |
0 |
47 |
| Fog, days |
12 |
12 |
10 |
8 |
5 |
4 |
8 |
11 |
12 |
15 |
17 |
17 |
131 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
1 |
4 |
| Snowfall, cm. |
0 |
0 |
1 |
6 |
18 |
15 |
10 |
4 |
0 |
0 |
0 |
0 |
54 |
| Average precipitation, mm. |
140 |
120 |
50 |
50 |
30 |
40 |
70 |
80 |
100 |
130 |
130 |
90 |
1030 |
| Relative humidity, % |
85 |
83 |
79 |
80 |
78 |
76 |
77 |
78 |
80 |
85 |
87 |
86 |
81 |
| Relative humidity morning, % |
89 |
87 |
82 |
78 |
78 |
79 |
78 |
80 |
82 |
88 |
90 |
89 |
83 |
| Relative humidity evening, % |
71 |
64 |
63 |
62 |
61 |
60 |
58 |
62 |
66 |
75 |
77 |
75 |
66 |
| Wind speed, km/h |
9 |
9 |
9 |
9 |
9 |
14 |
16 |
14 |
14 |
12 |
9 |
12 |
11 |
| Monthly sunshine, часов |
121 |
149 |
140 |
139 |
148 |
152 |
177 |
189 |
185 |
134 |
120 |
144 |
1796 |
| Day Length, часов |
13 |
12 |
11 |
10 |
10 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
16 |
9 |
3 |
-1 |
-4 |
-3 |
-2 |
3 |
8 |
14 |
18 |
20 |
81 |
| Growing degree-day, °C |
300 |
129 |
0 |
0 |
0 |
0 |
0 |
0 |
138 |
250 |
362 |
431 |
1609 |
| Solar radiation, global, Mj/m2 |
11 |
10 |
8 |
7 |
8 |
12 |
15 |
18 |
18 |
16 |
15 |
15 |
13 |