Uliastai climate by month
Averages and records for each calendar month at Uliastai, Mongolia, from 1956 to 2026. The warmest month is July, averaging 23.2°C; the coolest is January at −15.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −15.3°C | −28.3°C | 1.1°C7 January 1979 | −43.9°C27 January 2018 | 64 / 70 |
| February | −10.8°C | −26.1°C | 10.2°C24 February 1988 | −42.3°C8 February 2005 | 64 / 69 |
| March | −1.3°C | −17.3°C | 15.5°C24 March 2018 | −37.1°C4 March 2010 | 63 / 69 |
| April | 8.7°C | −5.8°C | 24.9°C30 April 2020 | −24.4°C4 April 1984 | 65 / 70 |
| May | 16.1°C | 0.9°C | 29.6°C19 May 2000 | −13.0°C7 May 1973 | 66 / 68 |
| June | 21.8°C | 6.7°C | 32.7°C21 June 2010 | −4.8°C2 June 1961 | 65 / 69 |
| July | 23.2°C | 9.0°C | 35.8°C23 July 1999 | −0.1°C29 July 1971 | 65 / 69 |
| August | 21.2°C | 6.9°C | 34.2°C2 August 2016 | −3.2°C31 August 1997 | 65 / 69 |
| September | 15.4°C | 0.4°C | 27.8°C7 September 2024 | −14.3°C29 September 1969 | 64 / 69 |
| October | 6.9°C | −7.7°C | 21.1°C1 October 1977 | −29.5°C29 October 1987 | 62 / 68 |
| November | −5.0°C | −18.8°C | 13.2°C9 November 2002 | −36.7°C27 November 1987 | 61 / 69 |
| December | −13.5°C | −25.5°C | 4.0°C3 December 2010 | −40.6°C31 December 1968 | 62 / 68 |
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 61 to 66 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.