Gladwin/Zettel Mem climate by month
Averages and records for each calendar month at Gladwin/Zettel Mem, United States, from 1892 to 2026. The warmest month is July, averaging 28.1°C; the coolest is January at −1.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.8°C | −11.2°C | 16.7°C26 January 1944 | −33.3°C13 January 1912 | 110 / 112 |
| February | −0.5°C | −11.4°C | 22.8°C28 February 2024 | −39.4°C20 February 1929 | 107 / 111 |
| March | 5.1°C | −6.3°C | 30.6°C22 March 2012 | −29.4°C1 March 2014 | 110 / 112 |
| April | 13.1°C | −0.1°C | 32.2°C26 April 1990 | −17.2°C9 April 1939 | 109 / 111 |
| May | 20.2°C | 5.7°C | 35.0°C30 May 1929 | −6.1°C1 May 1903 | 110 / 112 |
| June | 25.7°C | 11.1°C | 38.9°C28 June 1971 | −1.1°C21 June 1940 | 115 / 115 |
| July | 28.1°C | 13.6°C | 40.6°C13 July 1936 | 1.1°C11 July 1898 | 112 / 114 |
| August | 26.8°C | 12.6°C | 37.8°C21 August 1955 | −0.6°C21 August 1934 | 112 / 113 |
| September | 22.3°C | 8.4°C | 37.8°C14 September 1939 | −5.6°C22 September 1904 | 109 / 110 |
| October | 15.5°C | 2.8°C | 32.2°C9 October 2007 | −11.7°C17 October 1972 | 104 / 109 |
| November | 7.2°C | −2.3°C | 25.0°C1 November 1950 | −22.2°C24 November 1950 | 110 / 111 |
| December | 0.6°C | −7.6°C | 20.6°C6 December 2001 | −31.1°C31 December 1946 | 109 / 113 |
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 104 to 115 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.