| Record high, °C |
28 |
26 |
17 |
14 |
13 |
17 |
21 |
24 |
29 |
30 |
34 |
38 |
38 |
| Average high, °C |
18 |
14 |
9 |
7 |
7 |
7 |
10 |
12 |
16 |
19 |
22 |
22 |
14 |
| Average temperature, °C |
14 |
11 |
7 |
4 |
5 |
5 |
7 |
8 |
12 |
15 |
17 |
18 |
10 |
| Average low, °C |
10 |
7 |
4 |
2 |
2 |
2 |
3 |
4 |
7 |
10 |
12 |
13 |
6 |
| Record low, °C |
4 |
-3 |
-4 |
-7 |
-7 |
-8 |
-7 |
-4 |
0 |
3 |
5 |
6 |
-8 |
| Rain, days |
5 |
6 |
6 |
6 |
7 |
5 |
5 |
6 |
5 |
4 |
6 |
5 |
66 |
| Snow, days |
0 |
0 |
1 |
2 |
2 |
4 |
2 |
2 |
0 |
0 |
0 |
0 |
13 |
| Fog, days |
5 |
5 |
8 |
8 |
7 |
6 |
5 |
5 |
5 |
3 |
3 |
3 |
63 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
3 |
4 |
3 |
3 |
18 |
| Snowfall, cm. |
0 |
0 |
0 |
5 |
10 |
4 |
4 |
0 |
0 |
0 |
0 |
0 |
23 |
| Average precipitation, mm. |
50 |
60 |
60 |
50 |
50 |
40 |
30 |
50 |
40 |
40 |
60 |
50 |
580 |
| Relative humidity, % |
81 |
86 |
90 |
91 |
89 |
87 |
83 |
80 |
79 |
78 |
77 |
77 |
83 |
| Relative humidity morning, % |
92 |
93 |
91 |
91 |
90 |
90 |
91 |
90 |
90 |
90 |
90 |
92 |
91 |
| Relative humidity evening, % |
62 |
73 |
80 |
84 |
82 |
77 |
70 |
61 |
62 |
62 |
59 |
57 |
69 |
| Wind speed, km/h |
15 |
17 |
17 |
19 |
20 |
20 |
20 |
17 |
16 |
15 |
15 |
15 |
17 |
| Day Length, часов |
13 |
11 |
9 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
7 |
4 |
3 |
1 |
1 |
2 |
3 |
7 |
10 |
11 |
12 |
71 |
| Growing degree-day, °C |
120 |
16 |
0 |
0 |
0 |
0 |
0 |
0 |
47 |
135 |
217 |
233 |
767 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
5 |
9 |
13 |
17 |
18 |
17 |
15 |
10 |