| Record high, °C |
32 |
24 |
16 |
15 |
12 |
15 |
24 |
26 |
33 |
33 |
37 |
33 |
37 |
| Average high, °C |
18 |
12 |
6 |
3 |
2 |
4 |
8 |
13 |
18 |
21 |
22 |
21 |
12 |
| Average temperature, °C |
13 |
8 |
3 |
1 |
0 |
1 |
4 |
8 |
12 |
15 |
17 |
16 |
8 |
| Average low, °C |
8 |
5 |
1 |
-1 |
-2 |
-1 |
0 |
3 |
7 |
10 |
12 |
11 |
4 |
| Record low, °C |
-4 |
-8 |
-18 |
-24 |
-28 |
-28 |
-16 |
-8 |
-2 |
1 |
3 |
2 |
-28 |
| Rain, days |
5 |
6 |
5 |
6 |
5 |
4 |
4 |
5 |
5 |
6 |
7 |
6 |
64 |
| Snow, days |
0 |
0 |
3 |
5 |
6 |
5 |
3 |
2 |
0 |
0 |
0 |
0 |
24 |
| Fog, days |
18 |
21 |
19 |
20 |
19 |
18 |
16 |
12 |
14 |
13 |
12 |
15 |
197 |
| Thunderstorms, days |
17 |
20 |
20 |
20 |
21 |
19 |
19 |
16 |
14 |
14 |
14 |
16 |
210 |
| Snowfall, cm. |
0 |
0 |
10 |
14 |
16 |
16 |
5 |
1 |
0 |
0 |
0 |
0 |
62 |
| Average precipitation, mm. |
40 |
50 |
40 |
50 |
40 |
30 |
30 |
40 |
50 |
50 |
70 |
60 |
550 |
| Relative humidity, % |
81 |
86 |
88 |
90 |
88 |
85 |
80 |
74 |
71 |
71 |
74 |
76 |
80 |
| Relative humidity morning, % |
91 |
92 |
91 |
90 |
89 |
91 |
89 |
87 |
85 |
85 |
85 |
88 |
89 |
| Relative humidity evening, % |
65 |
73 |
80 |
85 |
83 |
77 |
74 |
64 |
60 |
61 |
58 |
58 |
70 |
| Wind speed, km/h |
8 |
8 |
9 |
8 |
9 |
9 |
9 |
8 |
8 |
8 |
8 |
8 |
8 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
15 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
10 |
6 |
2 |
0 |
-2 |
-1 |
0 |
2 |
6 |
10 |
11 |
12 |
56 |
| Growing degree-day, °C |
108 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
95 |
175 |
241 |
207 |
826 |
| Solar radiation, global, Mj/m2 |
10 |
6 |
3 |
2 |
3 |
6 |
9 |
13 |
16 |
17 |
17 |
15 |
10 |