| Record high, °C |
34 |
29 |
19 |
17 |
16 |
20 |
23 |
29 |
33 |
37 |
38 |
39 |
39 |
| Average high, °C |
21 |
16 |
10 |
7 |
7 |
8 |
11 |
15 |
19 |
22 |
24 |
24 |
15 |
| Average temperature, °C |
15 |
12 |
7 |
4 |
4 |
4 |
7 |
10 |
13 |
16 |
19 |
19 |
11 |
| Average low, °C |
10 |
8 |
4 |
2 |
1 |
1 |
3 |
5 |
8 |
11 |
13 |
13 |
7 |
| Record low, °C |
-1 |
-5 |
-10 |
-16 |
-18 |
-15 |
-11 |
-5 |
-1 |
1 |
4 |
4 |
-18 |
| Rain, days |
5 |
5 |
5 |
6 |
6 |
5 |
4 |
4 |
5 |
5 |
5 |
5 |
60 |
| Snow, days |
0 |
0 |
1 |
2 |
4 |
4 |
2 |
1 |
0 |
0 |
0 |
0 |
14 |
| Fog, days |
10 |
13 |
14 |
13 |
13 |
14 |
10 |
8 |
7 |
6 |
5 |
7 |
120 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
2 |
3 |
3 |
4 |
4 |
20 |
| Snowfall, cm. |
0 |
0 |
0 |
0 |
0 |
8 |
27 |
0 |
0 |
0 |
0 |
0 |
35 |
| Average precipitation, mm. |
50 |
62 |
53 |
63 |
56 |
44 |
51 |
47 |
61 |
49 |
55 |
48 |
638 |
| Relative humidity, % |
76 |
81 |
86 |
88 |
86 |
82 |
76 |
72 |
72 |
74 |
72 |
75 |
78 |
| Relative humidity morning, % |
91 |
92 |
91 |
89 |
89 |
87 |
87 |
86 |
86 |
86 |
85 |
87 |
88 |
| Relative humidity evening, % |
59 |
69 |
76 |
81 |
79 |
71 |
65 |
58 |
57 |
58 |
54 |
51 |
65 |
| Wind speed, km/h |
16 |
16 |
19 |
19 |
20 |
9 |
17 |
16 |
16 |
16 |
16 |
14 |
16 |
| Monthly sunshine, часов |
168 |
118 |
68 |
51 |
63 |
79 |
129 |
166 |
194 |
202 |
212 |
212 |
1662 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
| Dew point, °C |
11 |
8 |
4 |
2 |
0 |
1 |
3 |
5 |
8 |
11 |
12 |
12 |
77 |
| Growing degree-day, °C |
167 |
34 |
0 |
0 |
0 |
0 |
0 |
0 |
95 |
183 |
258 |
250 |
987 |
| Solar radiation, global, Mj/m2 |
11 |
7 |
4 |
3 |
3 |
6 |
10 |
14 |
18 |
19 |
19 |
17 |
11 |