| Record high, °C |
31 |
27 |
18 |
16 |
13 |
17 |
26 |
27 |
31 |
35 |
37 |
35 |
37 |
| Average high, °C |
20 |
14 |
7 |
5 |
3 |
5 |
10 |
14 |
19 |
22 |
25 |
24 |
14 |
| Average temperature, °C |
16 |
11 |
6 |
3 |
2 |
3 |
7 |
10 |
15 |
18 |
20 |
20 |
11 |
| Average low, °C |
11 |
7 |
3 |
1 |
0 |
0 |
3 |
5 |
10 |
13 |
15 |
15 |
7 |
| Record low, °C |
2 |
-2 |
-7 |
-14 |
-17 |
-16 |
-12 |
-3 |
1 |
5 |
7 |
5 |
-17 |
| Rain, days |
11 |
12 |
13 |
14 |
15 |
12 |
13 |
13 |
15 |
14 |
11 |
11 |
154 |
| Snow, days |
0 |
0 |
1 |
2 |
3 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
9 |
| Fog, days |
23 |
24 |
21 |
20 |
19 |
18 |
18 |
17 |
21 |
19 |
19 |
23 |
242 |
| Thunderstorms, days |
20 |
22 |
20 |
21 |
21 |
19 |
18 |
14 |
15 |
14 |
14 |
17 |
215 |
| Snowfall, cm. |
0 |
0 |
1 |
4 |
8 |
4 |
1 |
0 |
0 |
0 |
0 |
0 |
18 |
| Average precipitation, mm. |
40 |
30 |
40 |
40 |
20 |
20 |
20 |
30 |
70 |
60 |
60 |
40 |
470 |
| Relative humidity, % |
81 |
84 |
85 |
86 |
84 |
80 |
75 |
70 |
70 |
71 |
72 |
75 |
78 |
| Relative humidity morning, % |
87 |
90 |
90 |
88 |
89 |
87 |
86 |
81 |
81 |
79 |
80 |
84 |
85 |
| Relative humidity evening, % |
60 |
72 |
77 |
80 |
81 |
72 |
66 |
57 |
58 |
57 |
53 |
55 |
66 |
| Wind speed, km/h |
6 |
6 |
8 |
8 |
9 |
9 |
8 |
8 |
8 |
8 |
6 |
6 |
8 |
| Day Length, часов |
13 |
11 |
10 |
9 |
9 |
11 |
13 |
14 |
16 |
17 |
17 |
15 |
13 |
| Dew point, °C |
11 |
7 |
2 |
1 |
-1 |
-1 |
2 |
3 |
8 |
11 |
12 |
12 |
67 |
| Growing degree-day, °C |
183 |
34 |
0 |
0 |
0 |
0 |
0 |
0 |
155 |
242 |
319 |
301 |
1234 |
| Solar radiation, global, Mj/m2 |
11 |
6 |
3 |
2 |
3 |
6 |
9 |
13 |
17 |
18 |
18 |
15 |
10 |