Olekminsk climate by month
Averages and records for each calendar month at Olekminsk, Russia, from 1882 to 2025. The warmest month is July, averaging 25.0°C; the coolest is January at −27.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −27.5°C | −36.1°C | 2.8°C2 January 1979 | −60.1°C21 January 1907 | 89 / 117 |
| February | −21.9°C | −32.6°C | 1.0°C27 February 1998 | −57.6°C2 February 1891 | 91 / 116 |
| March | −8.7°C | −23.6°C | 11.2°C29 March 1953 | −47.4°C1 March 1937 | 96 / 117 |
| April | 2.8°C | −10.5°C | 18.8°C30 April 1934 | −35.1°C1 April 1914 | 99 / 116 |
| May | 13.0°C | 0.4°C | 31.1°C22 May 1992 | −16.1°C3 May 1905 | 97 / 114 |
| June | 22.2°C | 8.3°C | 35.4°C20 June 1991 | −4.7°C1 June 1999 | 96 / 117 |
| July | 25.0°C | 12.1°C | 36.5°C29 July 1961 | 0.2°C8 July 1978 | 93 / 118 |
| August | 21.3°C | 9.0°C | 37.7°C6 August 1986 | −4.7°C28 August 2016 | 94 / 119 |
| September | 12.0°C | 1.7°C | 26.6°C10 September 1944 | −14.5°C30 September 1992 | 95 / 119 |
| October | −0.5°C | −8.6°C | 18.2°C3 October 1943 | −32.1°C27 October 1882 | 94 / 118 |
| November | −17.1°C | −25.3°C | 6.1°C2 November 1978 | −49.1°C28 November 1998 | 89 / 117 |
| December | −26.2°C | −34.4°C | −0.7°C5 December 1951 | −57.2°C31 December 1930 | 86 / 117 |
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 86 to 99 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.