Marquette/Sawyer Intl climate by month
Averages and records for each calendar month at Marquette/Sawyer Intl, United States, from 1957 to 2026. The warmest month is July, averaging 24.4°C; the coolest is January at −6.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −6.4°C | −15.0°C | 6.7°C6 January 1961 | −32.8°C23 January 1963 | 13 / 14 |
| February | −4.7°C | −15.1°C | 11.1°C22 February 1961 | −31.7°C19 February 1966 | 14 / 14 |
| March | 0.6°C | −10.1°C | 17.2°C31 March 1967 | −29.4°C1 March 1962 | 13 / 14 |
| April | 8.5°C | −2.0°C | 28.3°C12 April 1968 | −19.4°C1 April 1964 | 14 / 15 |
| May | 15.5°C | 3.1°C | 34.4°C28 May 1969 | −8.3°C5 May 1958 | 15 / 15 |
| June | 21.4°C | 8.5°C | 38.9°C30 June 1963 | −3.9°C2 June 1964 | 15 / 15 |
| July | 24.4°C | 12.2°C | 37.2°C1 July 1963 | 1.1°C5 July 1967 | 15 / 15 |
| August | 23.0°C | 11.0°C | 34.4°C9 August 1958 | 0.6°C31 August 1963 | 15 / 15 |
| September | 18.1°C | 7.4°C | 32.0°C1 September 2026 | −6.1°C27 September 1965 | 13 / 14 |
| October | 12.5°C | 2.6°C | 29.0°C4 October 2025 | −11.1°C30 October 1966 | 14 / 15 |
| November | 2.9°C | −4.1°C | 18.9°C3 November 1965 | −21.1°C14 November 1959 | 13 / 13 |
| December | −3.5°C | −11.1°C | 13.9°C3 December 1962 | −27.2°C25 December 1968 | 12 / 13 |
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 12 to 15 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.