Underkhaan climate by month
Averages and records for each calendar month at Underkhaan, Mongolia, from 1956 to 2026. The warmest month is July, averaging 26.5°C; the coolest is January at −15.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −15.5°C | −28.1°C | 0.0°C26 January 1963 | −45.0°C31 January 1979 | 41 / 64 |
| February | −8.9°C | −25.2°C | 10.6°C26 February 1992 | −42.2°C23 February 1969 | 33 / 64 |
| March | 0.7°C | −13.5°C | 22.1°C31 March 2002 | −38.9°C10 March 1957 | 46 / 64 |
| April | 11.7°C | −2.5°C | 30.7°C27 April 2018 | −23.9°C1 April 1971 | 45 / 64 |
| May | 19.2°C | 4.1°C | 35.8°C26 May 2017 | −10.4°C2 May 1987 | 50 / 64 |
| June | 24.6°C | 9.7°C | 39.0°C25 June 2010 | −2.0°C1 June 1974 | 46 / 64 |
| July | 26.5°C | 15.3°C | 41.0°C24 July 2010 | 1.4°C2 July 1987 | 46 / 63 |
| August | 24.4°C | 12.0°C | 40.4°C5 August 2008 | −0.9°C28 August 2017 | 40 / 63 |
| September | 18.6°C | 3.9°C | 32.5°C4 September 2014 | −10.2°C29 September 2011 | 48 / 64 |
| October | 9.2°C | −8.8°C | 27.8°C3 October 1987 | −26.1°C30 October 1987 | 45 / 63 |
| November | −3.3°C | −16.0°C | 14.7°C3 November 2015 | −38.4°C22 November 2015 | 40 / 62 |
| December | −13.1°C | −26.5°C | 7.5°C2 December 1989 | −43.0°C26 December 1986 | 35 / 62 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 33 to 50 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.