SUSUMAN climate by month
Averages and records for each calendar month at SUSUMAN, Russia, from 1937 to 2025. The warmest month is July, averaging 21.3°C; the coolest is January at −33.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −33.5°C | −42.0°C | −4.1°C31 January 2018 | −60.6°C6 January 1971 | 85 / 89 |
| February | −27.9°C | −39.0°C | −1.6°C8 February 2014 | −59.9°C2 February 1948 | 87 / 89 |
| March | −17.1°C | −33.0°C | 0.7°C31 March 2023 | −53.7°C8 March 1954 | 88 / 89 |
| April | −4.4°C | −20.1°C | 12.1°C30 April 2000 | −44.0°C4 April 1950 | 89 / 89 |
| May | 8.3°C | −4.0°C | 27.0°C30 May 2025 | −27.5°C1 May 1946 | 89 / 89 |
| June | 18.8°C | 3.9°C | 33.2°C26 June 2023 | −8.8°C3 June 1989 | 89 / 89 |
| July | 21.3°C | 6.6°C | 35.0°C27 July 2010 | −4.6°C20 July 2018 | 88 / 89 |
| August | 17.8°C | 3.5°C | 33.0°C2 August 2011 | −11.1°C24 August 1943 | 88 / 89 |
| September | 8.8°C | −3.1°C | 24.4°C1 September 2000 | −24.3°C30 September 1955 | 88 / 88 |
| October | −7.7°C | −19.0°C | 11.3°C2 October 1996 | −44.7°C27 October 1956 | 88 / 88 |
| November | −25.0°C | −34.1°C | 2.1°C13 November 2006 | −53.8°C30 November 1966 | 84 / 87 |
| December | −33.3°C | −41.3°C | −1.6°C10 December 2010 | −58.5°C25 December 1938 | 82 / 88 |
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 82 to 89 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.