Astoria Rgnl climate by month
Averages and records for each calendar month at Astoria Rgnl, United States, from 1953 to 2026. The warmest month is August, averaging 20.6°C; the coolest is January at 9.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.3°C | 2.7°C | 19.4°C7 January 1986 | −11.7°C28 January 1969 | 72 / 74 |
| February | 10.5°C | 3.0°C | 22.2°C28 February 1968 | −12.8°C5 February 1989 | 73 / 74 |
| March | 11.7°C | 3.5°C | 25.0°C19 March 2019 | −5.6°C1 March 1971 | 74 / 74 |
| April | 13.4°C | 4.9°C | 30.0°C28 April 2023 | −1.7°C1 April 1953 | 74 / 74 |
| May | 15.9°C | 7.5°C | 33.9°C16 May 2008 | −1.1°C1 May 1954 | 74 / 74 |
| June | 18.0°C | 10.0°C | 38.3°C27 June 2021 | 2.8°C4 June 1980 | 74 / 74 |
| July | 19.9°C | 11.7°C | 37.8°C11 July 1961 | 3.9°C7 July 1971 | 74 / 74 |
| August | 20.6°C | 11.9°C | 36.7°C19 August 2016 | 3.9°C19 August 1973 | 74 / 74 |
| September | 19.9°C | 9.9°C | 35.0°C2 September 1972 | 0.6°C13 September 1970 | 73 / 74 |
| October | 16.3°C | 7.1°C | 29.4°C2 October 1980 | −3.3°C28 October 1971 | 73 / 73 |
| November | 12.1°C | 4.6°C | 22.8°C3 November 2010 | −9.4°C14 November 1955 | 73 / 73 |
| December | 9.4°C | 3.0°C | 18.3°C20 December 2024 | −14.4°C8 December 1972 | 73 / 73 |
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 72 to 74 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.