| Record high, °C |
31 |
24 |
17 |
15 |
11 |
17 |
22 |
26 |
28 |
31 |
35 |
33 |
35 |
| Average high, °C |
18 |
13 |
5 |
2 |
0 |
2 |
8 |
12 |
18 |
21 |
23 |
23 |
12 |
| Average temperature, °C |
14 |
9 |
3 |
0 |
-1 |
0 |
4 |
8 |
13 |
16 |
18 |
18 |
9 |
| Average low, °C |
10 |
5 |
1 |
-1 |
-4 |
-3 |
1 |
3 |
8 |
11 |
12 |
12 |
5 |
| Record low, °C |
0 |
-6 |
-16 |
-22 |
-28 |
-25 |
0 |
-6 |
-2 |
1 |
4 |
3 |
-28 |
| Rain, days |
11 |
12 |
13 |
11 |
8 |
7 |
11 |
14 |
13 |
14 |
13 |
11 |
138 |
| Snow, days |
0 |
0 |
5 |
11 |
13 |
11 |
6 |
2 |
0 |
0 |
0 |
0 |
48 |
| Fog, days |
18 |
19 |
20 |
20 |
21 |
19 |
18 |
12 |
13 |
15 |
15 |
17 |
207 |
| Thunderstorms, days |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
5 |
4 |
5 |
19 |
| Average precipitation, mm. |
30 |
30 |
30 |
20 |
20 |
20 |
20 |
30 |
50 |
70 |
60 |
50 |
430 |
| Relative humidity, % |
70 |
80 |
85 |
85 |
85 |
75 |
70 |
65 |
65 |
65 |
65 |
65 |
73 |
| Relative humidity morning, % |
90 |
89 |
89 |
90 |
91 |
90 |
86 |
81 |
79 |
81 |
83 |
86 |
86 |
| Relative humidity evening, % |
59 |
65 |
79 |
85 |
83 |
73 |
60 |
52 |
53 |
55 |
52 |
52 |
64 |
| Wind speed, km/h |
14 |
14 |
16 |
17 |
16 |
20 |
16 |
19 |
19 |
16 |
16 |
16 |
17 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
10 |
5 |
1 |
-1 |
-3 |
-3 |
0 |
2 |
7 |
10 |
12 |
12 |
52 |
| Growing degree-day, °C |
133 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
103 |
183 |
250 |
250 |
919 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
7 |
10 |
13 |
17 |
17 |
17 |
16 |
10 |