Fillmore Muni climate by month
Averages and records for each calendar month at Fillmore Muni, United States, from 1893 to 2026. The warmest month is July, averaging 33.7°C; the coolest is January at 4.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.8°C | −7.9°C | 23.3°C8 January 1902 | −30.6°C26 January 1898 | 125 / 128 |
| February | 7.9°C | −5.3°C | 22.8°C8 February 1907 | −29.4°C10 February 1933 | 122 / 127 |
| March | 12.7°C | −1.6°C | 30.6°C25 March 2026 | −21.1°C2 March 1971 | 127 / 127 |
| April | 17.9°C | 2.0°C | 33.3°C26 April 1910 | −13.9°C6 April 1895 | 123 / 126 |
| May | 23.4°C | 6.2°C | 39.4°C31 May 1910 | −7.2°C10 May 1895 | 125 / 126 |
| June | 29.5°C | 10.9°C | 41.1°C16 June 1896 | −5.6°C17 June 1895 | 123 / 124 |
| July | 33.7°C | 15.5°C | 44.4°C20 July 1901 | 0.0°C2 July 1898 | 120 / 124 |
| August | 32.4°C | 14.7°C | 42.8°C14 August 1897 | 0.0°C23 August 1899 | 122 / 125 |
| September | 27.5°C | 9.6°C | 38.9°C3 September 1902 | −12.8°C22 September 1895 | 122 / 124 |
| October | 20.3°C | 3.2°C | 35.0°C5 October 1897 | −17.2°C30 October 1971 | 123 / 124 |
| November | 11.8°C | −2.6°C | 30.0°C7 November 1893 | −23.9°C29 November 1896 | 124 / 126 |
| December | 5.3°C | −7.0°C | 21.1°C10 December 1939 | −28.9°C26 December 1924 | 123 / 124 |
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 120 to 127 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.