| Record high, °C |
41 |
38 |
32 |
30 |
29 |
32 |
37 |
37 |
38 |
44 |
43 |
42 |
44 |
| Average high, °C |
31 |
26 |
20 |
14 |
14 |
16 |
20 |
24 |
29 |
33 |
35 |
36 |
25 |
| Average temperature, °C |
26 |
20 |
14 |
9 |
8 |
10 |
14 |
19 |
23 |
27 |
30 |
30 |
19 |
| Average low, °C |
20 |
14 |
8 |
3 |
3 |
5 |
9 |
13 |
18 |
22 |
24 |
24 |
14 |
| Record low, °C |
5 |
-4 |
-8 |
0 |
-18 |
-12 |
-11 |
-1 |
3 |
11 |
14 |
14 |
-18 |
| Rain, days |
7 |
6 |
6 |
7 |
7 |
7 |
7 |
8 |
9 |
7 |
5 |
5 |
81 |
| Snow, days |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
| Fog, days |
6 |
8 |
9 |
10 |
12 |
10 |
9 |
7 |
7 |
3 |
2 |
3 |
86 |
| Thunderstorms, days |
4 |
3 |
2 |
1 |
1 |
2 |
5 |
7 |
8 |
6 |
5 |
5 |
49 |
| Snowfall, cm. |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
| Average precipitation, mm. |
71 |
114 |
64 |
61 |
56 |
66 |
74 |
84 |
127 |
119 |
61 |
51 |
948 |
| Relative humidity, % |
64 |
67 |
68 |
64 |
64 |
64 |
64 |
65 |
69 |
68 |
63 |
61 |
65 |
| Relative humidity morning, % |
80 |
79 |
78 |
77 |
77 |
77 |
75 |
77 |
82 |
81 |
77 |
76 |
78 |
| Relative humidity evening, % |
46 |
46 |
48 |
51 |
53 |
51 |
47 |
49 |
51 |
48 |
43 |
41 |
48 |
| Wind speed, km/h |
16 |
16 |
17 |
17 |
17 |
17 |
20 |
20 |
19 |
19 |
16 |
14 |
17 |
| Day Length, часов |
13 |
12 |
11 |
11 |
11 |
12 |
12 |
14 |
14 |
15 |
15 |
14 |
13 |
| Dew point, °C |
17 |
11 |
6 |
2 |
0 |
2 |
5 |
11 |
16 |
19 |
20 |
19 |
128 |
| Growing degree-day, °C |
849 |
564 |
253 |
86 |
74 |
121 |
279 |
472 |
735 |
940 |
1105 |
1117 |
6595 |
| Solar radiation, global, Mj/m2 |
18 |
14 |
10 |
9 |
10 |
12 |
16 |
19 |
21 |
23 |
24 |
21 |
16 |