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Common information

Season	Autumn			Winter			Spring			Summer
Month	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Year
Record high, °C	41	37	27	25	21	27	30	33	35	37	42	40	42
Average high, °C	24	21	16	14	13	15	16	17	20	23	25	26	19
Average temperature, °C	19	16	12	10	9	10	11	12	15	18	20	20	14
Average low, °C	13	11	8	6	5	5	6	7	10	13	15	15	9
Record low, °C	5	-1	-5	-2	-6	-5	-2	0	2	2	8	7	-6
Rain, days	11	15	15	15	15	14	16	17	17	13	12	12	172
Snow, days	0	0	0	0	1	1	0	0	0	0	0	0	2
Fog, days	4	3	2	2	2	2	2	2	2	2	2	3	28
Thunderstorms, days	2	2	1	1	1	1	1	2	3	2	3	3	22
Average precipitation, mm.	74	121	141	116	126	97	94	124	90	64	62	82	1191
Relative humidity, %	73	73	74	73	72	70	70	71	71	72	73	74	72
Relative humidity morning, %	88	83	81	79	80	79	83	84	86	89	90	92	85
Relative humidity evening, %	59	60	62	63	63	58	58	61	61	62	60	61	61
Wind speed, km/h	16	6	6	8	6	8	19	19	17	17	16	16	13
Monthly sunshine, часов	157	123	93	78	86	97	128	128	160	173	188	179	1590
Day Length, часов	13	12	10	10	10	11	13	14	15	16	16	14	13
Dew point, °C	13	10	7	5	3	3	5	6	9	12	15	15	103
Growing degree-day, °C	264	179	60	0	0	0	25	58	158	228	310	321	1605
Solar radiation, global, Mj/m²	16	10	6	5	6	9	14	17	21	23	23	20	14