| Record high, °C |
35 |
32 |
27 |
27 |
22 |
26 |
27 |
28 |
32 |
36 |
40 |
37 |
40 |
| Average high, °C |
21 |
18 |
14 |
12 |
11 |
12 |
13 |
14 |
17 |
19 |
22 |
22 |
16 |
| Average temperature, °C |
18 |
15 |
11 |
9 |
8 |
9 |
10 |
11 |
14 |
16 |
19 |
19 |
13 |
| Average low, °C |
14 |
12 |
8 |
7 |
6 |
6 |
7 |
8 |
11 |
13 |
16 |
16 |
10 |
| Record low, °C |
6 |
0 |
-5 |
-5 |
-10 |
-5 |
-2 |
1 |
3 |
3 |
11 |
8 |
-10 |
| Rain, days |
10 |
13 |
13 |
13 |
14 |
13 |
14 |
16 |
15 |
12 |
11 |
11 |
155 |
| Snow, days |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
| Fog, days |
8 |
7 |
7 |
6 |
7 |
6 |
7 |
9 |
10 |
11 |
10 |
9 |
97 |
| Thunderstorms, days |
3 |
2 |
2 |
1 |
1 |
2 |
2 |
3 |
4 |
3 |
4 |
4 |
31 |
| Average precipitation, mm. |
115 |
155 |
170 |
146 |
148 |
124 |
124 |
153 |
130 |
94 |
92 |
112 |
1563 |
| Relative humidity, % |
79 |
76 |
76 |
74 |
75 |
74 |
75 |
77 |
79 |
82 |
83 |
83 |
78 |
| Relative humidity morning, % |
88 |
85 |
85 |
83 |
84 |
82 |
83 |
85 |
85 |
86 |
87 |
89 |
85 |
| Relative humidity evening, % |
68 |
67 |
68 |
69 |
70 |
65 |
65 |
66 |
67 |
69 |
69 |
70 |
68 |
| Wind speed, km/h |
9 |
14 |
14 |
16 |
14 |
16 |
9 |
12 |
9 |
9 |
9 |
9 |
12 |
| Monthly sunshine, часов |
167 |
131 |
103 |
87 |
95 |
99 |
134 |
135 |
166 |
178 |
192 |
184 |
1671 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
16 |
14 |
13 |
| Dew point, °C |
15 |
11 |
7 |
5 |
4 |
5 |
6 |
7 |
10 |
13 |
16 |
16 |
115 |
| Growing degree-day, °C |
231 |
153 |
31 |
0 |
0 |
0 |
0 |
21 |
118 |
186 |
265 |
284 |
1289 |
| Solar radiation, global, Mj/m2 |
16 |
10 |
6 |
5 |
6 |
8 |
13 |
17 |
21 |
23 |
23 |
20 |
14 |