Bratsk Arpt climate by month
Averages and records for each calendar month at Bratsk Arpt, Russia, from 1901 to 2025. The warmest month is July, averaging 24.2°C; the coolest is January at −17.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −17.0°C | −26.6°C | 3.8°C1 January 1979 | −57.6°C11 January 1915 | 88 / 123 |
| February | −12.6°C | −24.7°C | 7.4°C21 February 1960 | −49.8°C1 February 1929 | 88 / 123 |
| March | −2.8°C | −17.1°C | 14.9°C31 March 1952 | −44.1°C3 March 1930 | 90 / 123 |
| April | 5.8°C | −5.8°C | 23.4°C30 April 2022 | −35.0°C1 April 1909 | 89 / 122 |
| May | 14.0°C | 1.4°C | 34.2°C21 May 1945 | −14.1°C7 May 1931 | 90 / 124 |
| June | 21.4°C | 8.5°C | 36.1°C21 June 1931 | −5.4°C5 June 1925 | 88 / 123 |
| July | 24.2°C | 12.3°C | 35.2°C17 July 1945 | −1.4°C5 July 1907 | 89 / 123 |
| August | 21.0°C | 10.0°C | 32.5°C5 August 1937 | −2.8°C30 August 1938 | 89 / 123 |
| September | 13.5°C | 3.4°C | 27.5°C5 September 1953 | −8.1°C28 September 1912 | 90 / 121 |
| October | 4.5°C | −3.9°C | 23.2°C4 October 1930 | −33.4°C29 October 1917 | 91 / 121 |
| November | −6.5°C | −15.0°C | 12.0°C3 November 1978 | −46.6°C18 November 1902 | 89 / 121 |
| December | −14.4°C | −24.0°C | 6.6°C1 December 1933 | −51.2°C23 December 1916 | 88 / 123 |
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 88 to 91 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.