King Salmon Arpt climate by month
Averages and records for each calendar month at King Salmon Arpt, United States, from 1942 to 2026. The warmest month is July, averaging 17.5°C; the coolest is January at −5.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −5.3°C | −13.7°C | 11.7°C27 January 1963 | −44.4°C28 January 1989 | 82 / 83 |
| February | −3.3°C | −12.1°C | 13.9°C27 February 1991 | −41.7°C2 February 2006 | 82 / 84 |
| March | −0.9°C | −10.4°C | 13.3°C6 March 1943 | −41.1°C13 March 1971 | 83 / 84 |
| April | 5.1°C | −4.1°C | 20.6°C30 April 2005 | −28.3°C6 April 1956 | 84 / 84 |
| May | 11.6°C | 1.3°C | 29.4°C26 May 2006 | −15.6°C4 May 1945 | 83 / 84 |
| June | 15.8°C | 5.5°C | 31.1°C27 June 1953 | −2.8°C5 June 2006 | 84 / 84 |
| July | 17.5°C | 8.3°C | 31.7°C4 July 2019 | −0.5°C5 July 2013 | 84 / 84 |
| August | 16.8°C | 8.2°C | 28.9°C5 August 1968 | −3.9°C31 August 1984 | 83 / 83 |
| September | 13.0°C | 4.3°C | 24.4°C14 September 2018 | −10.5°C26 September 2021 | 81 / 82 |
| October | 5.5°C | −2.9°C | 19.4°C1 October 1954 | −24.4°C25 October 1983 | 81 / 81 |
| November | −0.8°C | −9.0°C | 13.3°C1 November 1986 | −33.3°C22 November 1988 | 81 / 81 |
| December | −4.7°C | −13.3°C | 12.2°C6 December 2013 | −38.9°C17 December 1942 | 80 / 81 |
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 84 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.