Zeja climate by month
Averages and records for each calendar month at Zeja, Russia, from 1948 to 2025. The warmest month is July, averaging 26.5°C; the coolest is January at −19.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −19.6°C | −38.4°C | −0.5°C31 January 2000 | −47.8°C10 January 1952 | 61 / 76 |
| February | −12.8°C | – | 1.1°C29 February 1968 | −46.1°C2 February 1952 | 59 / 76 |
| March | −3.0°C | −15.8°C | 14.3°C26 March 2018 | −38.9°C5 March 1966 | 65 / 76 |
| April | 7.7°C | – | 28.0°C29 April 2014 | −25.0°C4 April 1963 | 63 / 77 |
| May | 17.1°C | – | 34.1°C28 May 2025 | −7.8°C2 May 1954 | 66 / 77 |
| June | 24.1°C | – | 36.0°C23 June 2017 | −3.9°C2 June 1964 | 61 / 77 |
| July | 26.5°C | 14.4°C | 40.0°C13 July 1950 | 2.2°C11 July 1964 | 63 / 76 |
| August | 23.4°C | – | 35.5°C2 August 1993 | −1.5°C31 August 1988 | 58 / 76 |
| September | 16.4°C | – | 28.5°C16 September 2015 | −10.0°C27 September 1999 | 64 / 75 |
| October | 5.0°C | – | 22.1°C4 October 2018 | −26.1°C31 October 1961 | 59 / 74 |
| November | −10.0°C | – | 7.0°C1 November 2018 | −41.1°C26 November 1960 | 57 / 73 |
| December | −19.4°C | – | 0.0°C20 December 1981 | −47.2°C31 December 1949 | 47 / 74 |
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 47 to 66 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.