Merced weather by month
Measured at Merced/Macready Fld
Averages and records for each calendar month at Merced/Macready Fld, United States, from 1998 to 2026. The warmest month is July, averaging 36.0°C; the coolest is December at 13.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 13.5°C | 3.0°C | 23.9°C18 January 2021 | −7.1°C15 January 2007 | 28 / 28 |
| February | 16.6°C | 3.8°C | 26.7°C28 February 2020 | −4.3°C24 February 2018 | 28 / 28 |
| March | 19.9°C | 5.8°C | 32.2°C20 March 2026 | −2.7°C10 March 2009 | 28 / 28 |
| April | 23.3°C | 7.8°C | 36.1°C27 April 2004 | −1.1°C10 April 1999 | 28 / 28 |
| May | 28.4°C | 11.4°C | 41.1°C28 May 2020 | 3.3°C4 May 1999 | 28 / 28 |
| June | 33.1°C | 14.8°C | 42.8°C18 June 2021 | 7.2°C7 June 1999 | 28 / 28 |
| July | 36.0°C | 17.1°C | 44.4°C23 July 2006 | 10.0°C4 July 1999 | 28 / 28 |
| August | 35.1°C | 16.4°C | 43.9°C16 August 2020 | 10.0°C28 August 2010 | 29 / 29 |
| September | 32.4°C | 14.1°C | 46.7°C6 September 2022 | 5.6°C20 September 2007 | 28 / 29 |
| October | 26.3°C | 9.7°C | 41.1°C3 October 2024 | −1.0°C28 October 2019 | 28 / 28 |
| November | 18.6°C | 5.1°C | 32.2°C5 November 2010 | −3.3°C25 November 2003 | 28 / 28 |
| December | 13.3°C | 2.9°C | 23.3°C20 December 1999 | −7.8°C23 December 1998 | 28 / 28 |
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 28 to 29 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.