| Record high, °C |
30 |
25 |
20 |
19 |
15 |
17 |
22 |
27 |
31 |
32 |
35 |
33 |
35 |
| Average high, °C |
20 |
14 |
6 |
3 |
1 |
3 |
8 |
13 |
20 |
22 |
25 |
24 |
13 |
| Average temperature, °C |
17 |
11 |
5 |
1 |
0 |
1 |
6 |
10 |
16 |
19 |
21 |
20 |
11 |
| Average low, °C |
13 |
7 |
2 |
0 |
-2 |
-1 |
2 |
7 |
12 |
15 |
17 |
16 |
7 |
| Record low, °C |
1 |
-3 |
-8 |
-13 |
-20 |
-21 |
-16 |
-1 |
1 |
7 |
10 |
8 |
-21 |
| Rain, days |
5 |
2 |
3 |
2 |
6 |
0 |
2 |
5 |
7 |
8 |
3 |
2 |
45 |
| Snow, days |
0 |
0 |
5 |
10 |
13 |
10 |
6 |
1 |
0 |
0 |
0 |
0 |
45 |
| Fog, days |
9 |
14 |
16 |
18 |
19 |
17 |
12 |
5 |
3 |
3 |
3 |
6 |
125 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
5 |
6 |
5 |
4 |
24 |
| Average precipitation, mm. |
40 |
30 |
40 |
40 |
40 |
30 |
30 |
30 |
50 |
60 |
30 |
50 |
470 |
| Relative humidity, % |
75 |
80 |
85 |
90 |
85 |
80 |
75 |
70 |
70 |
70 |
70 |
70 |
77 |
| Relative humidity morning, % |
83 |
86 |
87 |
86 |
86 |
86 |
83 |
78 |
77 |
77 |
75 |
80 |
82 |
| Relative humidity evening, % |
63 |
67 |
78 |
80 |
78 |
74 |
64 |
60 |
58 |
59 |
58 |
58 |
66 |
| Wind speed, km/h |
19 |
19 |
12 |
12 |
9 |
19 |
19 |
19 |
17 |
17 |
17 |
16 |
16 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
12 |
7 |
2 |
-1 |
-3 |
-2 |
1 |
4 |
10 |
13 |
15 |
14 |
72 |
| Growing degree-day, °C |
208 |
34 |
0 |
0 |
0 |
0 |
0 |
17 |
189 |
275 |
344 |
327 |
1395 |
| Solar radiation, global, Mj/m2 |
13 |
8 |
5 |
4 |
4 |
8 |
11 |
15 |
19 |
20 |
20 |
18 |
12 |