| Record high, °C |
44 |
39 |
34 |
30 |
24 |
28 |
32 |
39 |
42 |
41 |
41 |
39 |
44 |
| Average high, °C |
31 |
29 |
23 |
18 |
16 |
17 |
19 |
24 |
28 |
30 |
31 |
32 |
25 |
| Average temperature, °C |
26 |
23 |
19 |
15 |
14 |
14 |
15 |
18 |
21 |
24 |
26 |
27 |
20 |
| Average low, °C |
20 |
18 |
14 |
10 |
8 |
8 |
10 |
13 |
15 |
18 |
21 |
21 |
15 |
| Record low, °C |
14 |
11 |
3 |
3 |
1 |
-1 |
2 |
3 |
9 |
12 |
17 |
18 |
-1 |
| Rain, days |
1 |
5 |
9 |
13 |
15 |
13 |
11 |
5 |
2 |
0 |
0 |
0 |
72 |
| Fog, days |
19 |
17 |
13 |
17 |
17 |
15 |
21 |
21 |
23 |
24 |
26 |
24 |
237 |
| Thunderstorms, days |
0 |
2 |
2 |
3 |
4 |
3 |
4 |
1 |
0 |
0 |
0 |
0 |
19 |
| Average precipitation, mm. |
2 |
20 |
102 |
160 |
127 |
85 |
51 |
9 |
3 |
0 |
0 |
0 |
559 |
| Relative humidity, % |
65 |
65 |
60 |
65 |
65 |
65 |
65 |
65 |
70 |
70 |
70 |
70 |
66 |
| Relative humidity morning, % |
68 |
64 |
63 |
72 |
76 |
74 |
74 |
66 |
63 |
66 |
70 |
71 |
69 |
| Relative humidity evening, % |
44 |
44 |
45 |
54 |
59 |
56 |
54 |
45 |
42 |
41 |
45 |
46 |
48 |
| Wind speed, km/h |
14 |
12 |
9 |
8 |
14 |
14 |
14 |
16 |
14 |
16 |
14 |
14 |
13 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
13 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
15 |
9 |
8 |
6 |
6 |
8 |
10 |
12 |
16 |
19 |
19 |
145 |
| Growing degree-day, °C |
467 |
396 |
267 |
155 |
121 |
110 |
155 |
233 |
327 |
417 |
482 |
517 |
3646 |
| Solar radiation, global, Mj/m2 |
21 |
16 |
11 |
9 |
10 |
12 |
17 |
22 |
26 |
28 |
27 |
25 |
19 |