| Record high, °C |
41 |
41 |
34 |
33 |
29 |
30 |
32 |
38 |
37 |
39 |
38 |
39 |
41 |
| Average high, °C |
24 |
23 |
20 |
17 |
17 |
18 |
19 |
19 |
20 |
21 |
22 |
23 |
20 |
| Average temperature, °C |
18 |
16 |
13 |
11 |
11 |
12 |
13 |
13 |
15 |
16 |
17 |
18 |
14 |
| Average low, °C |
12 |
10 |
7 |
5 |
5 |
6 |
7 |
7 |
9 |
11 |
12 |
13 |
9 |
| Record low, °C |
3 |
1 |
-3 |
-4 |
-6 |
-4 |
-4 |
-1 |
2 |
5 |
6 |
6 |
-6 |
| Rain, days |
2 |
4 |
8 |
8 |
9 |
8 |
9 |
6 |
3 |
1 |
1 |
1 |
60 |
| Snow, days |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
| Fog, days |
16 |
13 |
5 |
4 |
3 |
4 |
4 |
7 |
9 |
15 |
19 |
17 |
116 |
| Thunderstorms, days |
18 |
16 |
12 |
11 |
10 |
11 |
10 |
10 |
13 |
15 |
22 |
22 |
170 |
| Snowfall, cm. |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Average precipitation, mm. |
6 |
16 |
44 |
63 |
73 |
69 |
58 |
29 |
8 |
2 |
1 |
2 |
371 |
| Relative humidity, % |
75 |
72 |
74 |
76 |
78 |
78 |
76 |
72 |
73 |
74 |
78 |
78 |
75 |
| Relative humidity morning, % |
82 |
80 |
77 |
74 |
77 |
79 |
79 |
77 |
77 |
79 |
83 |
82 |
79 |
| Relative humidity evening, % |
67 |
64 |
59 |
59 |
62 |
63 |
64 |
63 |
64 |
67 |
70 |
68 |
64 |
| Day Length, часов |
13 |
12 |
11 |
10 |
11 |
11 |
12 |
14 |
15 |
15 |
15 |
14 |
13 |
| Dew point, °C |
11 |
10 |
6 |
4 |
5 |
6 |
7 |
7 |
8 |
10 |
11 |
11 |
96 |
| Growing degree-day, °C |
426 |
347 |
179 |
75 |
84 |
106 |
157 |
204 |
290 |
349 |
405 |
431 |
3053 |
| Solar radiation, global, Mj/m2 |
20 |
15 |
10 |
8 |
9 |
12 |
17 |
23 |
26 |
28 |
27 |
24 |
18 |