| Record high, °C |
31 |
25 |
18 |
16 |
15 |
17 |
21 |
27 |
30 |
33 |
35 |
35 |
35 |
| Average high, °C |
20 |
15 |
8 |
4 |
3 |
6 |
10 |
14 |
18 |
22 |
22 |
22 |
14 |
| Average temperature, °C |
14 |
10 |
5 |
3 |
2 |
3 |
5 |
9 |
13 |
16 |
17 |
17 |
10 |
| Average low, °C |
8 |
5 |
2 |
-1 |
-2 |
-1 |
0 |
3 |
6 |
10 |
11 |
11 |
4 |
| Record low, °C |
2 |
-2 |
-7 |
-13 |
-17 |
-13 |
-7 |
-3 |
-1 |
3 |
5 |
7 |
-17 |
| Rain, days |
18 |
19 |
19 |
18 |
19 |
12 |
19 |
18 |
20 |
19 |
16 |
17 |
214 |
| Snow, days |
0 |
0 |
1 |
1 |
3 |
3 |
2 |
1 |
0 |
0 |
0 |
0 |
11 |
| Fog, days |
13 |
14 |
13 |
15 |
13 |
15 |
14 |
13 |
12 |
12 |
11 |
14 |
159 |
| Thunderstorms, days |
2 |
1 |
1 |
1 |
1 |
1 |
1 |
2 |
5 |
5 |
5 |
4 |
29 |
| Average precipitation, mm. |
65 |
72 |
71 |
71 |
64 |
53 |
58 |
54 |
61 |
67 |
78 |
73 |
787 |
| Relative humidity, % |
80 |
85 |
90 |
90 |
85 |
85 |
80 |
75 |
75 |
75 |
75 |
75 |
81 |
| Relative humidity morning, % |
91 |
92 |
90 |
88 |
88 |
88 |
88 |
87 |
86 |
87 |
88 |
89 |
89 |
| Relative humidity evening, % |
65 |
72 |
80 |
83 |
81 |
73 |
68 |
59 |
59 |
62 |
61 |
58 |
68 |
| Wind speed, km/h |
19 |
14 |
22 |
22 |
25 |
16 |
22 |
14 |
12 |
16 |
16 |
16 |
18 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
11 |
7 |
3 |
2 |
1 |
0 |
2 |
3 |
7 |
11 |
12 |
12 |
71 |
| Growing degree-day, °C |
117 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
167 |
207 |
207 |
783 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
5 |
9 |
13 |
18 |
18 |
18 |
16 |
10 |