| Record high, °C |
35 |
31 |
23 |
18 |
16 |
20 |
23 |
27 |
31 |
35 |
38 |
37 |
38 |
| Average high, °C |
22 |
16 |
8 |
3 |
2 |
2 |
9 |
15 |
21 |
24 |
26 |
26 |
15 |
| Average temperature, °C |
17 |
11 |
4 |
0 |
-1 |
-1 |
5 |
10 |
16 |
19 |
21 |
20 |
10 |
| Average low, °C |
11 |
5 |
0 |
-3 |
-5 |
-5 |
0 |
5 |
10 |
13 |
15 |
15 |
5 |
| Record low, °C |
-1 |
-6 |
-13 |
-21 |
-27 |
-22 |
-16 |
-1 |
0 |
3 |
7 |
5 |
-27 |
| Rain, days |
6 |
6 |
8 |
6 |
4 |
5 |
8 |
10 |
11 |
10 |
9 |
7 |
90 |
| Snow, days |
0 |
0 |
3 |
5 |
7 |
8 |
4 |
1 |
0 |
0 |
0 |
0 |
28 |
| Fog, days |
6 |
11 |
18 |
22 |
22 |
21 |
18 |
9 |
4 |
4 |
5 |
5 |
145 |
| Thunderstorms, days |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
5 |
8 |
7 |
5 |
29 |
| Average precipitation, mm. |
30 |
20 |
40 |
40 |
40 |
30 |
30 |
40 |
60 |
80 |
50 |
50 |
510 |
| Relative humidity, % |
75 |
80 |
90 |
90 |
90 |
85 |
75 |
70 |
70 |
70 |
65 |
65 |
77 |
| Relative humidity morning, % |
95 |
94 |
94 |
94 |
95 |
95 |
93 |
94 |
92 |
93 |
93 |
94 |
94 |
| Relative humidity evening, % |
56 |
63 |
79 |
87 |
83 |
79 |
68 |
61 |
59 |
61 |
59 |
58 |
68 |
| Wind speed, km/h |
8 |
8 |
14 |
12 |
9 |
14 |
12 |
9 |
8 |
8 |
8 |
8 |
10 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
12 |
7 |
1 |
-1 |
-3 |
-2 |
1 |
6 |
10 |
14 |
16 |
15 |
76 |
| Growing degree-day, °C |
217 |
34 |
0 |
0 |
0 |
0 |
0 |
17 |
181 |
275 |
344 |
327 |
1395 |
| Solar radiation, global, Mj/m2 |
13 |
9 |
6 |
4 |
5 |
8 |
12 |
14 |
18 |
19 |
19 |
17 |
12 |