| Record high, °C |
27 |
25 |
15 |
14 |
13 |
16 |
20 |
23 |
26 |
31 |
31 |
32 |
32 |
| Average high, °C |
18 |
15 |
10 |
8 |
7 |
7 |
10 |
12 |
15 |
18 |
20 |
21 |
13 |
| Average temperature, °C |
14 |
11 |
7 |
5 |
3 |
4 |
5 |
7 |
10 |
14 |
16 |
16 |
9 |
| Average low, °C |
11 |
8 |
5 |
3 |
2 |
2 |
3 |
5 |
8 |
11 |
13 |
13 |
7 |
| Record low, °C |
2 |
0 |
-3 |
-6 |
-8 |
-14 |
-7 |
-1 |
0 |
3 |
7 |
6 |
-14 |
| Rain, days |
9 |
10 |
12 |
11 |
11 |
9 |
11 |
9 |
8 |
9 |
9 |
9 |
117 |
| Snow, days |
0 |
0 |
1 |
2 |
5 |
5 |
3 |
2 |
0 |
0 |
0 |
0 |
18 |
| Fog, days |
18 |
21 |
20 |
21 |
19 |
18 |
19 |
19 |
19 |
18 |
19 |
21 |
232 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
2 |
3 |
3 |
2 |
14 |
| Snowfall, cm. |
0 |
0 |
0 |
3 |
12 |
18 |
3 |
1 |
0 |
0 |
0 |
0 |
37 |
| Average precipitation, mm. |
54 |
61 |
66 |
53 |
51 |
38 |
38 |
40 |
42 |
43 |
54 |
55 |
595 |
| Relative humidity, % |
82 |
86 |
88 |
89 |
89 |
87 |
84 |
80 |
77 |
77 |
79 |
80 |
83 |
| Relative humidity morning, % |
80 |
81 |
80 |
79 |
78 |
77 |
80 |
80 |
82 |
83 |
83 |
81 |
80 |
| Relative humidity evening, % |
64 |
72 |
77 |
78 |
76 |
73 |
70 |
65 |
64 |
64 |
63 |
61 |
69 |
| Wind speed, km/h |
17 |
19 |
20 |
20 |
23 |
22 |
21 |
19 |
18 |
16 |
16 |
16 |
19 |
| Day Length, часов |
13 |
11 |
9 |
8 |
9 |
11 |
13 |
15 |
17 |
18 |
17 |
15 |
13 |
| Dew point, °C |
10 |
8 |
5 |
2 |
1 |
1 |
2 |
4 |
6 |
9 |
11 |
11 |
70 |
| Growing degree-day, °C |
117 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
117 |
172 |
172 |
595 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
3 |
2 |
3 |
5 |
10 |
16 |
20 |
21 |
20 |
17 |
11 |