Sacramento/Mather Fld climate by month
Averages and records for each calendar month at Sacramento/Mather Fld, United States, from 1949 to 2026. The warmest month is July, averaging 33.9°C; the coolest is January at 11.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 11.7°C | 3.5°C | 20.6°C9 January 1953 | −6.1°C13 January 1963 | 24 / 24 |
| February | 15.1°C | 5.5°C | 24.0°C27 February 2026 | −3.9°C14 February 1949 | 24 / 24 |
| March | 17.9°C | 6.5°C | 32.0°C29 March 2026 | −1.7°C3 March 1966 | 24 / 24 |
| April | 21.7°C | 8.4°C | 33.3°C10 April 1951 | 1.1°C2 April 1955 | 24 / 24 |
| May | 25.9°C | 11.0°C | 38.9°C29 May 1950 | 3.3°C3 May 1950 | 24 / 24 |
| June | 30.2°C | 13.8°C | 43.9°C14 June 1961 | 6.1°C12 June 1952 | 24 / 24 |
| July | 33.9°C | 15.7°C | 42.8°C2 July 1950 | 9.4°C5 July 1964 | 24 / 24 |
| August | 33.1°C | 15.5°C | 43.3°C19 August 1950 | 10.0°C25 August 1963 | 24 / 24 |
| September | 30.5°C | 14.4°C | 43.9°C2 September 1950 | 7.2°C30 September 1950 | 23 / 24 |
| October | 24.9°C | 10.9°C | 38.3°C2 October 1952 | 2.2°C18 October 1949 | 23 / 23 |
| November | 17.7°C | 7.2°C | 29.4°C2 November 1966 | −2.8°C28 November 1952 | 23 / 23 |
| December | 11.9°C | 4.4°C | 22.2°C28 December 1967 | −4.4°C23 December 1965 | 23 / 23 |
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 23 to 24 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.