| Record high, °C |
31 |
27 |
18 |
16 |
16 |
21 |
25 |
23 |
30 |
32 |
37 |
37 |
37 |
| Average high, °C |
24 |
18 |
12 |
7 |
6 |
8 |
12 |
16 |
21 |
25 |
28 |
27 |
17 |
| Average temperature, °C |
19 |
14 |
8 |
3 |
3 |
5 |
8 |
12 |
17 |
20 |
23 |
22 |
13 |
| Average low, °C |
14 |
9 |
4 |
0 |
-1 |
1 |
4 |
8 |
12 |
16 |
18 |
17 |
9 |
| Record low, °C |
5 |
0 |
-8 |
-10 |
-12 |
-8 |
-6 |
0 |
1 |
10 |
10 |
10 |
-12 |
| Rain, days |
7 |
9 |
8 |
7 |
7 |
6 |
9 |
12 |
12 |
11 |
7 |
7 |
102 |
| Snow, days |
0 |
0 |
0 |
1 |
2 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
5 |
| Fog, days |
25 |
25 |
25 |
27 |
28 |
24 |
26 |
23 |
24 |
23 |
24 |
24 |
298 |
| Thunderstorms, days |
5 |
3 |
1 |
0 |
0 |
0 |
1 |
3 |
6 |
9 |
8 |
7 |
43 |
| Snowfall, cm. |
0 |
0 |
0 |
1 |
3 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
7 |
| Average precipitation, mm. |
66 |
69 |
87 |
54 |
58 |
54 |
57 |
64 |
69 |
76 |
63 |
83 |
801 |
| Relative humidity, % |
75 |
77 |
79 |
81 |
81 |
77 |
75 |
75 |
73 |
74 |
71 |
72 |
76 |
| Relative humidity morning, % |
89 |
89 |
88 |
89 |
90 |
88 |
89 |
87 |
85 |
85 |
86 |
87 |
88 |
| Relative humidity evening, % |
64 |
68 |
71 |
74 |
74 |
66 |
66 |
63 |
61 |
61 |
58 |
57 |
65 |
| Wind speed, km/h |
8 |
12 |
12 |
12 |
14 |
12 |
14 |
9 |
9 |
9 |
9 |
8 |
11 |
| Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
16 |
16 |
15 |
13 |
| Dew point, °C |
15 |
10 |
4 |
0 |
0 |
0 |
4 |
7 |
11 |
15 |
17 |
17 |
100 |
| Growing degree-day, °C |
268 |
116 |
0 |
0 |
0 |
0 |
0 |
63 |
209 |
310 |
392 |
376 |
1734 |
| Solar radiation, global, Mj/m2 |
13 |
9 |
6 |
5 |
6 |
9 |
14 |
16 |
19 |
19 |
20 |
17 |
13 |