| Record high, °C |
36 |
30 |
21 |
17 |
18 |
18 |
26 |
28 |
32 |
34 |
38 |
37 |
38 |
| Average high, °C |
23 |
16 |
8 |
3 |
1 |
4 |
11 |
16 |
21 |
23 |
26 |
26 |
15 |
| Average temperature, °C |
17 |
11 |
5 |
0 |
-1 |
1 |
6 |
10 |
16 |
18 |
20 |
20 |
10 |
| Average low, °C |
11 |
6 |
1 |
-2 |
-3 |
-2 |
1 |
5 |
10 |
13 |
14 |
14 |
6 |
| Record low, °C |
0 |
-11 |
-12 |
-17 |
-25 |
-21 |
-15 |
-7 |
-1 |
2 |
5 |
4 |
-25 |
| Rain, days |
11 |
11 |
13 |
11 |
9 |
8 |
12 |
15 |
15 |
15 |
11 |
11 |
142 |
| Snow, days |
0 |
0 |
2 |
7 |
9 |
7 |
3 |
0 |
0 |
0 |
0 |
0 |
28 |
| Fog, days |
18 |
21 |
24 |
26 |
27 |
22 |
20 |
15 |
15 |
16 |
19 |
19 |
242 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
6 |
8 |
7 |
6 |
33 |
| Average precipitation, mm. |
40 |
30 |
40 |
50 |
40 |
30 |
30 |
40 |
60 |
80 |
50 |
50 |
540 |
| Relative humidity, % |
75 |
80 |
85 |
90 |
90 |
85 |
70 |
65 |
65 |
70 |
70 |
70 |
76 |
| Relative humidity morning, % |
97 |
95 |
94 |
95 |
96 |
94 |
93 |
92 |
95 |
96 |
96 |
96 |
95 |
| Relative humidity evening, % |
52 |
61 |
78 |
89 |
87 |
75 |
59 |
55 |
54 |
55 |
49 |
50 |
64 |
| Wind speed, km/h |
12 |
14 |
16 |
17 |
16 |
16 |
16 |
17 |
14 |
12 |
12 |
12 |
15 |
| Monthly sunshine, часов |
208 |
166 |
95 |
59 |
68 |
103 |
154 |
198 |
257 |
276 |
309 |
286 |
2178 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
2 |
0 |
-2 |
-1 |
2 |
5 |
10 |
13 |
14 |
15 |
76 |
| Growing degree-day, °C |
217 |
43 |
0 |
0 |
0 |
0 |
0 |
25 |
172 |
258 |
327 |
327 |
1370 |
| Solar radiation, global, Mj/m2 |
14 |
9 |
5 |
4 |
5 |
8 |
12 |
16 |
20 |
21 |
21 |
19 |
13 |