Yuzhno-Sakhalinsk climate by month
Averages and records for each calendar month at Yuzhno-Sakhalinsk, Russia, from 1947 to 2025. The warmest month is August, averaging 22.2°C; the coolest is January at −7.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −7.4°C | −18.2°C | 4.3°C20 January 2010 | −36.2°C12 January 1961 | 69 / 79 |
| February | −5.8°C | −18.1°C | 7.1°C13 February 2016 | −34.8°C7 February 2001 | 68 / 79 |
| March | −0.6°C | −11.5°C | 13.0°C15 March 2021 | −30.5°C6 March 1970 | 69 / 79 |
| April | 6.7°C | −2.6°C | 22.9°C30 April 2009 | −25.2°C5 April 1950 | 73 / 79 |
| May | 13.4°C | 2.3°C | 29.6°C21 May 2016 | −6.2°C3 May 1989 | 74 / 79 |
| June | 17.4°C | 7.0°C | 30.8°C26 June 2010 | −2.1°C7 June 1954 | 74 / 79 |
| July | 20.9°C | 11.9°C | 34.4°C17 July 1955 | −0.4°C1 July 2022 | 73 / 79 |
| August | 22.2°C | 13.3°C | 34.7°C9 August 1999 | 2.4°C28 August 1985 | 74 / 79 |
| September | 18.9°C | 8.3°C | 29.0°C1 September 1994 | −4.2°C30 September 2001 | 74 / 78 |
| October | 12.1°C | 1.3°C | 23.5°C3 October 1948 | −11.8°C25 October 1950 | 73 / 78 |
| November | 3.1°C | −6.1°C | 18.1°C1 November 1990 | −25.7°C30 November 1951 | 69 / 78 |
| December | −3.8°C | −13.7°C | 9.0°C10 December 2021 | −33.5°C27 December 1952 | 68 / 78 |
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 68 to 74 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.