St Michael Arpt climate by month
Averages and records for each calendar month at St Michael Arpt, United States, from 1899 to 1933. The warmest month is July, averaging 15.7°C; the coolest is February at −10.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −10.3°C | −18.6°C | 8.3°C8 January 1930 | −38.9°C22 January 1900 | 14 / 14 |
| February | −10.4°C | −18.4°C | 8.3°C13 February 1927 | −39.4°C4 February 1918 | 13 / 14 |
| March | −8.3°C | −17.3°C | 6.1°C31 March 1926 | −36.7°C9 March 1922 | 13 / 14 |
| April | −2.3°C | −11.9°C | 8.3°C26 April 1926 | −32.2°C7 April 1900 | 14 / 14 |
| May | 4.9°C | −3.2°C | 16.7°C30 May 1927 | −19.4°C1 May 1901 | 14 / 14 |
| June | 12.2°C | 4.1°C | 24.4°C10 June 1928 | −5.6°C1 June 1933 | 14 / 15 |
| July | 15.7°C | 8.3°C | 25.0°C12 July 1900 | −1.1°C1 July 1930 | 11 / 14 |
| August | 14.4°C | 8.3°C | 24.4°C15 August 1926 | 0.0°C7 August 1930 | 12 / 13 |
| September | 9.6°C | 4.0°C | 20.0°C10 September 1921 | −5.6°C22 September 1927 | 14 / 14 |
| October | 2.0°C | −3.1°C | 13.3°C11 October 1926 | −24.4°C31 October 1927 | 16 / 16 |
| November | −5.0°C | −10.9°C | 10.0°C2 November 1925 | −32.2°C24 November 1917 | 14 / 14 |
| December | −9.7°C | −16.7°C | 9.4°C11 December 1932 | −37.8°C23 December 1899 | 14 / 14 |
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 11 to 16 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.