| Record high, °C |
33 |
26 |
19 |
15 |
13 |
17 |
25 |
30 |
31 |
35 |
37 |
35 |
37 |
| Average high, °C |
19 |
13 |
7 |
4 |
2 |
4 |
9 |
14 |
18 |
22 |
23 |
22 |
13 |
| Average temperature, °C |
15 |
10 |
4 |
1 |
0 |
1 |
5 |
10 |
13 |
17 |
18 |
17 |
9 |
| Average low, °C |
10 |
6 |
2 |
0 |
-1 |
0 |
1 |
5 |
8 |
12 |
13 |
13 |
6 |
| Record low, °C |
1 |
-4 |
-9 |
-16 |
-18 |
-19 |
-12 |
-4 |
-1 |
0 |
5 |
5 |
-19 |
| Rain, days |
10 |
10 |
14 |
14 |
13 |
10 |
11 |
11 |
12 |
12 |
11 |
12 |
140 |
| Snow, days |
0 |
0 |
1 |
3 |
4 |
3 |
1 |
1 |
0 |
0 |
0 |
0 |
13 |
| Fog, days |
18 |
21 |
19 |
20 |
19 |
18 |
16 |
12 |
14 |
13 |
12 |
15 |
197 |
| Thunderstorms, days |
18 |
21 |
20 |
21 |
20 |
16 |
14 |
9 |
8 |
12 |
10 |
14 |
183 |
| Snowfall, cm. |
0 |
0 |
3 |
9 |
9 |
7 |
3 |
0 |
0 |
0 |
0 |
0 |
31 |
| Average precipitation, mm. |
44 |
41 |
46 |
47 |
36 |
29 |
29 |
30 |
42 |
52 |
49 |
61 |
506 |
| Relative humidity, % |
78 |
84 |
87 |
89 |
85 |
84 |
75 |
71 |
67 |
68 |
74 |
76 |
78 |
| Relative humidity morning, % |
84 |
89 |
88 |
87 |
86 |
86 |
83 |
78 |
74 |
79 |
76 |
80 |
83 |
| Relative humidity evening, % |
61 |
70 |
78 |
81 |
79 |
73 |
68 |
59 |
52 |
58 |
53 |
52 |
65 |
| Wind speed, km/h |
6 |
8 |
8 |
8 |
8 |
9 |
9 |
8 |
6 |
6 |
6 |
6 |
7 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
7 |
2 |
0 |
-1 |
-1 |
1 |
3 |
7 |
10 |
12 |
12 |
62 |
| Growing degree-day, °C |
133 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
86 |
200 |
241 |
224 |
884 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
3 |
2 |
3 |
6 |
9 |
13 |
17 |
18 |
18 |
15 |
10 |