| Record high, °C |
28 |
23 |
21 |
18 |
17 |
18 |
25 |
25 |
28 |
32 |
31 |
33 |
33 |
| Average high, °C |
18 |
15 |
11 |
9 |
7 |
8 |
10 |
12 |
15 |
17 |
20 |
20 |
14 |
| Average temperature, °C |
15 |
12 |
8 |
7 |
6 |
6 |
7 |
8 |
12 |
14 |
16 |
16 |
11 |
| Average low, °C |
12 |
10 |
6 |
5 |
4 |
3 |
5 |
6 |
8 |
11 |
13 |
13 |
8 |
| Record low, °C |
4 |
2 |
-7 |
-6 |
-8 |
-6 |
-2 |
-1 |
-1 |
3 |
7 |
7 |
-8 |
| Rain, days |
15 |
20 |
21 |
21 |
22 |
18 |
21 |
17 |
16 |
15 |
13 |
12 |
211 |
| Snow, days |
0 |
0 |
0 |
0 |
2 |
2 |
1 |
1 |
0 |
0 |
0 |
0 |
6 |
| Fog, days |
12 |
9 |
6 |
6 |
6 |
5 |
7 |
9 |
12 |
13 |
12 |
15 |
112 |
| Thunderstorms, days |
0 |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
6 |
| Snowfall, cm. |
0 |
0 |
1 |
3 |
14 |
16 |
3 |
0 |
0 |
0 |
0 |
0 |
37 |
| Average precipitation, mm. |
67 |
88 |
87 |
106 |
102 |
77 |
83 |
63 |
69 |
70 |
75 |
71 |
958 |
| Relative humidity, % |
79 |
85 |
87 |
88 |
87 |
84 |
76 |
72 |
72 |
76 |
74 |
76 |
80 |
| Relative humidity morning, % |
95 |
93 |
91 |
90 |
89 |
87 |
90 |
91 |
93 |
95 |
95 |
96 |
92 |
| Relative humidity evening, % |
74 |
79 |
81 |
83 |
83 |
76 |
76 |
71 |
74 |
74 |
71 |
71 |
76 |
| Wind speed, km/h |
17 |
19 |
19 |
25 |
22 |
17 |
22 |
22 |
20 |
19 |
19 |
17 |
20 |
| Monthly sunshine, часов |
186 |
120 |
81 |
69 |
69 |
93 |
137 |
172 |
195 |
227 |
228 |
224 |
1799 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
12 |
10 |
6 |
5 |
3 |
2 |
5 |
5 |
8 |
11 |
13 |
13 |
93 |
| Growing degree-day, °C |
158 |
78 |
0 |
0 |
0 |
0 |
0 |
0 |
60 |
125 |
215 |
207 |
843 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
4 |
6 |
10 |
14 |
18 |
19 |
19 |
16 |
11 |