| Record high, °C |
30 |
26 |
17 |
15 |
13 |
17 |
21 |
25 |
28 |
32 |
33 |
33 |
33 |
| Average high, °C |
17 |
13 |
8 |
5 |
3 |
5 |
8 |
11 |
16 |
19 |
21 |
21 |
12 |
| Average temperature, °C |
15 |
11 |
6 |
3 |
2 |
2 |
5 |
8 |
12 |
15 |
17 |
17 |
9 |
| Average low, °C |
11 |
7 |
3 |
1 |
0 |
0 |
2 |
4 |
8 |
11 |
13 |
13 |
6 |
| Record low, °C |
3 |
-1 |
-6 |
-17 |
-17 |
-16 |
-8 |
-4 |
1 |
2 |
6 |
6 |
-17 |
| Rain, days |
8 |
5 |
9 |
8 |
7 |
6 |
5 |
6 |
5 |
8 |
8 |
8 |
83 |
| Fog, days |
19 |
18 |
16 |
17 |
17 |
16 |
17 |
15 |
15 |
18 |
17 |
17 |
202 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
1 |
1 |
1 |
2 |
4 |
6 |
4 |
4 |
26 |
| Average precipitation, mm. |
70 |
70 |
70 |
80 |
70 |
50 |
60 |
60 |
70 |
90 |
90 |
80 |
860 |
| Relative humidity, % |
79 |
81 |
84 |
87 |
86 |
83 |
78 |
71 |
71 |
72 |
75 |
75 |
79 |
| Relative humidity morning, % |
89 |
89 |
89 |
88 |
88 |
85 |
86 |
84 |
82 |
85 |
85 |
86 |
86 |
| Relative humidity evening, % |
67 |
73 |
79 |
83 |
82 |
72 |
68 |
59 |
58 |
62 |
60 |
58 |
68 |
| Wind speed, km/h |
9 |
9 |
14 |
14 |
14 |
14 |
12 |
9 |
8 |
12 |
12 |
12 |
12 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
7 |
3 |
1 |
0 |
-1 |
1 |
2 |
7 |
10 |
12 |
12 |
64 |
| Growing degree-day, °C |
133 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
167 |
224 |
241 |
868 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
5 |
9 |
13 |
17 |
17 |
17 |
15 |
10 |