Plains Arpt climate by month
Averages and records for each calendar month at Plains Arpt, United States, from 1898 to 1926. The warmest month is July, averaging 29.0°C; the coolest is January at 0.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.8°C | −8.0°C | 17.8°C1 January 1918 | −30.0°C19 January 1916 | 28 / 28 |
| February | 3.4°C | −7.0°C | 17.8°C27 February 1926 | −31.7°C4 February 1899 | 28 / 28 |
| March | 8.8°C | −3.2°C | 21.7°C22 March 1915 | −24.4°C3 March 1917 | 27 / 28 |
| April | 15.0°C | 0.4°C | 31.7°C12 April 1913 | −11.1°C28 April 1907 | 27 / 28 |
| May | 19.0°C | 3.7°C | 32.8°C21 May 1919 | −10.0°C12 May 1899 | 27 / 27 |
| June | 23.4°C | 6.9°C | 38.9°C19 June 1919 | −2.2°C6 June 1919 | 27 / 28 |
| July | 29.0°C | 9.8°C | 41.1°C16 July 1919 | 1.1°C6 July 1902 | 26 / 28 |
| August | 27.8°C | 8.9°C | 38.3°C16 August 1920 | −0.6°C30 August 1912 | 27 / 28 |
| September | 21.9°C | 4.9°C | 35.6°C20 September 1917 | −9.4°C24 September 1926 | 28 / 29 |
| October | 14.6°C | 0.7°C | 28.9°C4 October 1917 | −15.6°C6 October 1899 | 28 / 29 |
| November | 6.2°C | −3.1°C | 19.4°C2 November 1908 | −22.8°C20 November 1900 | 29 / 29 |
| December | 1.2°C | −6.8°C | 17.2°C29 December 1917 | −36.7°C11 December 1919 | 29 / 29 |
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 26 to 29 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.