Weather archive in Ulan Bator / Songiin (airport)

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2025 December 20, Saturday	11	-26.8 -16	659.1 25.95 878.73 878.73	786.1 30.95 1048.05 1048.05	0.2 0.01 0.27 0.27	71	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds	Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes.	Cloud covering 1/2 or less of the sky throughout the appropriate period.	Cloud covering 1/2 or less of the sky throughout the appropriate period.								20.0 12.4	-30.5 -23
	08	-33.6 -28	658.9 25.94 878.46 878.46	789.8 31.09 1052.98 1052.98	0.0 0 0 0	70	Wind blowing from the south	Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft)			no clouds no clouds no clouds				-34.9 -31								-37.2 -35					Even layer of loose dry snow covering ground completely.	7 2.8
	05	-30.4 -23	658.9 25.94 878.46 878.46	788.0 31.02 1050.58 1050.58	0.0 0 0 0	72	Calm, no wind	Calm			no clouds no clouds no clouds												-33.8 -29
	02	-28.7 -20	658.9 25.94 878.46 878.46	787.1 30.99 1049.38 1049.38	0.6 0.02 0.8 0.8	68	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds												-32.8 -27
December 19, Friday	23	-29.2 -21	658.3 25.92 877.66 877.66	786.5 30.96 1048.58 1048.58	0.9 0.04 1.2 1.2	67	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.		-33.4 -28
	20	-25.3 -14	657.4 25.88 876.46 876.46	783.3 30.84 1044.31 1044.31	1.7 0.07 2.27 2.27	66	Calm, no wind	Calm			50%. 5/10. 4 oktas					-17.6 0	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.		-29.8 -22
	17	-20.5 -5	655.7 25.81 874.19 874.19	778.6 30.65 1038.05 1038.05	1.6 0.06 2.13 2.13	53	Wind blowing from the north-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrostratus not progressively invading the sky and not entirely covering it.	50.0 31.1	-27.6 -18
	14	-17.8 -0	654.1 25.75 872.06 872.06	775.5 30.53 1033.92 1033.92	0.3 0.01 0.4 0.4	53	Wind blowing from the north-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			50%. 5/10. 4 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	20–30%. 2/10–3/10. 2 oktas	2000-2500 6562-8202	Altocumulus translucidus at a single level.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	50.0 31.1	-25.1 -13
	11	-20.2 -4	653.8 25.74 871.66 871.66	776.2 30.56 1034.85 1034.85	1.5 0.06 2 2	66	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2000-2500 6562-8202	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole.	50.0 31.1	-24.9 -13