Record high, °C |
31 |
24 |
21 |
14 |
15 |
17 |
22 |
25 |
29 |
32 |
34 |
33 |
34 |
Average high, °C |
19 |
13 |
6 |
3 |
2 |
3 |
9 |
13 |
19 |
21 |
24 |
23 |
13 |
Average temperature, °C |
14 |
8 |
2 |
-1 |
-2 |
0 |
3 |
8 |
13 |
16 |
18 |
17 |
8 |
Average low, °C |
11 |
6 |
1 |
-2 |
-3 |
-2 |
1 |
4 |
9 |
12 |
14 |
14 |
5 |
Record low, °C |
2 |
-5 |
-13 |
-19 |
-25 |
-19 |
-19 |
-4 |
-1 |
4 |
7 |
6 |
-25 |
Fog, days |
22 |
24 |
23 |
24 |
23 |
20 |
19 |
14 |
14 |
14 |
16 |
19 |
232 |
Thunderstorms, days |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
5 |
5 |
4 |
22 |
Snowfall, cm. |
0 |
0 |
9 |
25 |
23 |
21 |
13 |
4 |
0 |
0 |
0 |
0 |
95 |
Average precipitation, mm. |
83 |
64 |
61 |
63 |
57 |
55 |
60 |
75 |
99 |
119 |
141 |
123 |
1000 |
Relative humidity morning, % |
90 |
91 |
90 |
89 |
88 |
88 |
86 |
82 |
77 |
77 |
79 |
84 |
85 |
Relative humidity evening, % |
65 |
71 |
81 |
83 |
80 |
73 |
64 |
57 |
54 |
57 |
57 |
57 |
66 |
Wind speed, km/h |
10 |
11 |
12 |
13 |
12 |
12 |
13 |
13 |
12 |
11 |
11 |
10 |
12 |
Monthly sunshine, часов |
158 |
108 |
52 |
37 |
49 |
82 |
124 |
159 |
222 |
202 |
235 |
225 |
1653 |
Day Length, часов |
13 |
11 |
10 |
9 |
10 |
11 |
13 |
14 |
16 |
17 |
16 |
15 |
13 |
Dew point, °C |
10 |
5 |
0 |
-1 |
-3 |
-2 |
0 |
2 |
7 |
10 |
12 |
12 |
52 |
Growing degree-day, °C |
139 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
122 |
201 |
270 |
266 |
998 |
Solar radiation, global, Mj/m2 |
12 |
7 |
4 |
3 |
4 |
7 |
10 |
15 |
18 |
18 |
18 |
16 |
11 |