Ellensburg/Bowers Fld climate by month
Averages and records for each calendar month at Ellensburg/Bowers Fld, United States, from 1940 to 2026. The warmest month is July, averaging 30.1°C; the coolest is January at 1.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.5°C | −6.3°C | 16.1°C13 January 2009 | −33.9°C26 January 1957 | 47 / 47 |
| February | 5.9°C | −4.2°C | 18.3°C12 February 2011 | −32.8°C1 February 1950 | 47 / 47 |
| March | 11.1°C | −1.5°C | 24.4°C31 March 2016 | −22.2°C5 March 1955 | 47 / 47 |
| April | 16.0°C | 1.7°C | 31.7°C23 April 2012 | −7.8°C21 April 1951 | 47 / 47 |
| May | 21.2°C | 6.4°C | 37.2°C17 May 2006 | −6.7°C1 May 1954 | 47 / 48 |
| June | 24.6°C | 10.0°C | 45.6°C29 June 2021 | −0.6°C18 June 1954 | 48 / 48 |
| July | 30.1°C | 13.3°C | 42.8°C28 July 2022 | 2.2°C2 July 1954 | 48 / 48 |
| August | 29.4°C | 12.5°C | 41.7°C9 August 2018 | 2.2°C28 August 2000 | 49 / 49 |
| September | 24.7°C | 7.9°C | 37.2°C4 September 2006 | −3.3°C23 September 2000 | 48 / 49 |
| October | 16.5°C | 2.4°C | 31.1°C6 October 2020 | −13.3°C30 October 2002 | 48 / 48 |
| November | 7.6°C | −2.4°C | 20.6°C14 November 2021 | −22.7°C24 November 2010 | 46 / 48 |
| December | 2.3°C | −5.1°C | 18.9°C1 December 2021 | −26.7°C27 December 1948 | 46 / 47 |
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 46 to 49 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.