| Record high, °C |
30 |
28 |
18 |
22 |
17 |
22 |
26 |
26 |
30 |
33 |
37 |
37 |
37 |
| Average high, °C |
20 |
13 |
7 |
5 |
3 |
5 |
10 |
13 |
18 |
21 |
24 |
24 |
14 |
| Average temperature, °C |
15 |
10 |
5 |
2 |
1 |
2 |
6 |
9 |
13 |
17 |
19 |
19 |
10 |
| Average low, °C |
10 |
6 |
2 |
0 |
-1 |
-1 |
2 |
3 |
8 |
12 |
13 |
13 |
6 |
| Record low, °C |
2 |
-6 |
-10 |
-18 |
-21 |
-13 |
-10 |
-6 |
-2 |
2 |
5 |
3 |
-21 |
| Rain, days |
15 |
18 |
17 |
18 |
18 |
13 |
19 |
19 |
21 |
21 |
17 |
16 |
212 |
| Snow, days |
0 |
0 |
3 |
6 |
8 |
7 |
3 |
2 |
0 |
0 |
0 |
0 |
29 |
| Fog, days |
23 |
24 |
21 |
21 |
20 |
18 |
16 |
17 |
19 |
18 |
19 |
22 |
238 |
| Thunderstorms, days |
3 |
1 |
1 |
0 |
0 |
0 |
1 |
2 |
6 |
7 |
7 |
6 |
34 |
| Snowfall, cm. |
0 |
0 |
2 |
5 |
25 |
38 |
10 |
4 |
0 |
0 |
0 |
0 |
84 |
| Average precipitation, mm. |
70 |
60 |
50 |
60 |
50 |
40 |
50 |
50 |
50 |
70 |
70 |
70 |
690 |
| Relative humidity, % |
81 |
84 |
85 |
86 |
84 |
80 |
75 |
70 |
70 |
71 |
72 |
75 |
78 |
| Relative humidity morning, % |
91 |
93 |
91 |
89 |
88 |
87 |
86 |
84 |
85 |
86 |
85 |
88 |
88 |
| Relative humidity evening, % |
62 |
74 |
80 |
83 |
81 |
73 |
62 |
55 |
55 |
57 |
54 |
54 |
66 |
| Wind speed, km/h |
14 |
16 |
16 |
17 |
17 |
16 |
16 |
16 |
16 |
12 |
12 |
9 |
15 |
| Monthly sunshine, часов |
164 |
119 |
68 |
55 |
74 |
94 |
138 |
176 |
200 |
226 |
241 |
228 |
1783 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
11 |
7 |
2 |
0 |
0 |
-1 |
2 |
3 |
8 |
11 |
13 |
13 |
69 |
| Growing degree-day, °C |
167 |
9 |
0 |
0 |
0 |
0 |
0 |
0 |
112 |
208 |
284 |
276 |
1055 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
15 |
18 |
19 |
19 |
16 |
11 |