Ukiah Muni climate by month
Averages and records for each calendar month at Ukiah Muni, United States, from 1949 to 2026. The warmest month is July, averaging 34.9°C; the coolest is December at 13.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 14.9°C | 2.7°C | 26.7°C18 January 2021 | −7.1°C13 January 2007 | 26 / 26 |
| February | 16.3°C | 3.2°C | 28.9°C3 February 2018 | −4.3°C20 February 2018 | 26 / 26 |
| March | 18.3°C | 4.7°C | 34.4°C20 March 2026 | −2.7°C10 March 2009 | 26 / 26 |
| April | 20.9°C | 6.0°C | 36.1°C21 April 2009 | −0.6°C8 April 2001 | 26 / 26 |
| May | 25.9°C | 8.7°C | 41.1°C31 May 2021 | 1.7°C23 May 2010 | 26 / 26 |
| June | 30.5°C | 11.6°C | 43.9°C8 June 2013 | 4.4°C7 June 2005 | 26 / 26 |
| July | 34.9°C | 13.6°C | 47.2°C6 July 2024 | 7.8°C2 July 2003 | 26 / 26 |
| August | 34.2°C | 13.0°C | 43.3°C1 August 2017 | 7.2°C29 August 2010 | 26 / 26 |
| September | 31.5°C | 10.7°C | 47.2°C6 September 2022 | 3.3°C26 September 2013 | 25 / 27 |
| October | 25.7°C | 7.5°C | 41.7°C2 October 2024 | −3.3°C19 October 1949 | 26 / 27 |
| November | 18.1°C | 4.3°C | 31.1°C1 November 2020 | −7.1°C29 November 2015 | 25 / 25 |
| December | 13.7°C | 2.9°C | 28.9°C3 December 2006 | −7.7°C9 December 2013 | 25 / 25 |
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 25 to 26 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.