City Ystalyfera | United Kingdom | Prices | Tours | Sights | Flights | Climate

Common information

Season	Autumn			Winter			Spring			Summer
Month	Sep	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Year
Record high, °C	24	20	17	14	14	14	16	22	24	28	29	30	30
Average high, °C	18	14	11	9	8	8	10	12	15	18	20	20	13
Average temperature, °C	15	12	9	7	6	6	7	9	12	15	17	17	11
Average low, °C	12	10	7	5	4	4	5	6	9	12	14	14	8
Record low, °C	6	0	-2	-6	-3	-7	-3	0	0	0	0	1	-7
Rain, days	11	15	15	14	15	11	14	11	10	10	10	11	148
Snow, days	0	0	0	1	1	2	1	1	0	0	0	0	6
Fog, days	0	1	2	2	3	3	4	3	2	3	2	1	26
Thunderstorms, days	0	0	0	0	0	0	0	0	1	0	1	0	2
Average precipitation, mm.	64	104	94	99	99	71	66	58	61	48	74	66	904
Relative humidity, %	80	81	85	85	87	85	83	81	80	81	81	80	82
Relative humidity morning, %	90	90	89	89	89	89	89	88	88	88	90	90	89
Relative humidity evening, %	71	77	81	84	83	78	74	66	66	68	67	67	74
Wind speed, km/h	24	28	27	29	29	27	26	23	23	20	22	22	25
Day Length, часов	13	11	10	9	9	11	13	15	16	17	17	15	13
Dew point, °C	11	7	5	3	3	2	3	5	7	10	12	12	80
Growing degree-day, °C	150	78	0	0	0	0	0	0	62	150	217	217	874
Solar radiation, global, Mj/m²	10	6	3	2	2	5	8	12	16	16	16	14	9