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 January 31, Friday | 14 | -18.1 -1 | 652.9 25.7 870.46 870.46 | 774.1 30.48 1032.05 1032.05 | -1.0 -0.04 -1.33 -1.33 | 65 | Calm, no wind | Calm | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | Cirrostratus covering the whole sky. | 10.0 6.2 | -23.1 -10 | ||||||||||
11 | -23.2 -10 | 653.9 25.74 871.8 871.8 | 778.0 30.63 1037.25 1037.25 | 0.1 0 0.13 0.13 | 74 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 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. | 10.0 6.2 | -26.6 -16 | |||||||||||
08 | -28.8 -20 | 653.8 25.74 871.66 871.66 | 781.0 30.75 1041.25 1041.25 | -0.6 -0.02 -0.8 -0.8 | 72 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | -32.0 -26 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | No Cirrus, Cirrocumulus or Cirrostratus. | -32.3 -26 | Even layer of loose dry snow covering ground completely. | 5 2 | |||||||||
05 | -30.8 -23 | 654.4 25.76 872.46 872.46 | 782.8 30.82 1043.65 1043.65 | -0.6 -0.02 -0.8 -0.8 | 72 | Wind blowing from the south | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 60%. 6/10. 5 oktas | Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | -34.2 -30 | ||||||||||||
02 | -30.2 -22 | 655.0 25.79 873.26 873.26 | 783.2 30.83 1044.18 1044.18 | -0.3 -0.01 -0.4 -0.4 | 73 | Calm, no wind | Calm | 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. | -33.5 -28 | |||||||||||||||||
| January 30, Thursday | 23 | -28.9 -20 | 655.3 25.8 873.66 873.66 | 782.8 30.82 1043.65 1043.65 | 0.3 0.01 0.4 0.4 | 73 | Calm, no wind | Calm | 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. | -32.2 -26 | ||||||||||||||||
20 | -27.2 -17 | 655.0 25.79 873.26 873.26 | 781.4 30.76 1041.78 1041.78 | 0.9 0.04 1.2 1.2 | 66 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | -15.0 5 | -31.6 -25 | Trace of precipitation Trace of precipitation | 12 | |||||||||||||||||
17 | -17.7 0 | 654.1 25.75 872.06 872.06 | 775.3 30.52 1033.65 1033.65 | 0.4 0.02 0.53 0.53 | 58 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | no clouds no clouds no clouds | 50.0 31.1 | -24.0 -11 | |||||||||||||||||||
14 | -15.3 4 | 653.7 25.74 871.53 871.53 | 773.6 30.46 1031.38 1031.38 | -0.2 -0.01 -0.27 -0.27 | 54 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 60%. 6/10. 5 oktas | State of sky on the whole unchanged. | Snow and/or other types of solid precipitation | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 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. | Cirrus uncinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole. | 50.0 31.1 | -22.5 -9 | |||||||||||