| Record high, °C |
37 |
33 |
27 |
24 |
22 |
23 |
32 |
36 |
37 |
38 |
39 |
39 |
39 |
| Average high, °C |
24 |
17 |
11 |
4 |
1 |
3 |
8 |
16 |
22 |
27 |
29 |
28 |
16 |
| Average temperature, °C |
18 |
11 |
6 |
-1 |
-4 |
-2 |
3 |
9 |
15 |
20 |
23 |
22 |
10 |
| Average low, °C |
11 |
5 |
1 |
-6 |
-8 |
-7 |
-2 |
3 |
9 |
14 |
17 |
16 |
4 |
| Record low, °C |
-1 |
-8 |
-17 |
-26 |
-32 |
-29 |
-21 |
-13 |
-2 |
2 |
7 |
2 |
-32 |
| Rain, days |
9 |
9 |
11 |
12 |
11 |
10 |
11 |
11 |
12 |
11 |
10 |
10 |
127 |
| Snow, days |
0 |
0 |
1 |
5 |
6 |
5 |
4 |
1 |
0 |
0 |
0 |
0 |
20 |
| Fog, days |
16 |
14 |
13 |
12 |
12 |
10 |
12 |
12 |
13 |
15 |
16 |
17 |
162 |
| Thunderstorms, days |
2 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
2 |
4 |
5 |
4 |
20 |
| Snowfall, cm. |
0 |
0 |
5 |
27 |
33 |
31 |
25 |
3 |
0 |
0 |
0 |
0 |
124 |
| Average precipitation, mm. |
105 |
101 |
99 |
97 |
84 |
79 |
97 |
97 |
97 |
99 |
94 |
100 |
1149 |
| Relative humidity, % |
74 |
72 |
68 |
67 |
65 |
60 |
61 |
58 |
65 |
70 |
70 |
72 |
67 |
| Relative humidity morning, % |
86 |
84 |
79 |
76 |
73 |
73 |
72 |
70 |
73 |
77 |
79 |
83 |
77 |
| Relative humidity evening, % |
55 |
53 |
58 |
61 |
58 |
54 |
51 |
46 |
48 |
51 |
52 |
54 |
53 |
| Wind speed, km/h |
11 |
12 |
13 |
13 |
13 |
14 |
15 |
15 |
13 |
12 |
11 |
10 |
13 |
| Day Length, часов |
13 |
12 |
10 |
10 |
10 |
11 |
13 |
14 |
15 |
16 |
15 |
14 |
13 |
| Dew point, °C |
12 |
5 |
-0 |
-6 |
-9 |
-8 |
-5 |
1 |
7 |
14 |
16 |
16 |
44 |
| Growing degree-day, °C |
416 |
134 |
27 |
3 |
1 |
1 |
12 |
91 |
301 |
553 |
731 |
679 |
2949 |
| Solar radiation, global, Mj/m2 |
15 |
10 |
7 |
5 |
6 |
10 |
13 |
16 |
18 |
20 |
20 |
18 |
13 |