Ostrov Kotel'Nyj climate by month
Averages and records for each calendar month at Ostrov Kotel'Nyj, Russia, from 1936 to 2026. The warmest month is July, averaging 5.6°C; the coolest is February at −26.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −26.2°C | −32.9°C | −7.2°C11 January 1957 | −44.9°C2 January 1958 | 80 / 90 |
| February | −26.8°C | −33.4°C | −3.3°C11 February 1956 | −49.9°C15 February 2002 | 80 / 90 |
| March | −24.2°C | −31.0°C | −4.8°C25 March 1990 | −46.1°C3 March 1967 | 81 / 91 |
| April | −16.5°C | −23.9°C | 1.2°C22 April 2020 | −46.2°C1 April 1966 | 88 / 91 |
| May | −6.3°C | −11.6°C | 6.3°C26 May 2021 | −28.6°C1 May 1979 | 87 / 91 |
| June | 1.7°C | −2.0°C | 21.4°C27 June 2019 | −14.9°C1 June 1992 | 87 / 91 |
| July | 5.6°C | 0.7°C | 25.1°C11 July 1991 | −6.0°C25 July 1989 | 89 / 91 |
| August | 4.5°C | 0.2°C | 22.0°C11 August 2023 | −9.2°C31 August 1992 | 90 / 91 |
| September | 0.4°C | −3.2°C | 13.6°C2 September 2016 | −18.6°C30 September 1987 | 88 / 91 |
| October | −8.0°C | −13.8°C | 2.4°C3 October 2018 | −40.2°C31 October 1979 | 86 / 90 |
| November | −18.3°C | −25.0°C | −1.7°C1 November 2016 | −40.2°C1 November 1979 | 84 / 90 |
| December | −23.5°C | −30.1°C | −3.1°C16 December 1938 | −45.0°C31 December 1957 | 84 / 90 |
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 80 to 90 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.