Saint Paul/Downtown Arpt climate by month
Averages and records for each calendar month at Saint Paul/Downtown Arpt, United States, from 1937 to 2026. The warmest month is July, averaging 28.9°C; the coolest is January at −4.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.3°C | −13.0°C | 14.4°C25 January 1944 | −35.6°C30 January 1951 | 46 / 47 |
| February | −2.1°C | −11.6°C | 17.8°C29 February 2000 | −31.1°C11 February 1939 | 47 / 47 |
| March | 5.1°C | −4.5°C | 27.8°C26 March 2007 | −30.6°C11 March 1948 | 47 / 47 |
| April | 13.6°C | 2.8°C | 33.9°C30 April 1952 | −12.1°C4 April 2018 | 44 / 47 |
| May | 20.9°C | 9.4°C | 37.2°C28 May 2018 | −3.3°C11 May 1946 | 45 / 46 |
| June | 26.0°C | 15.2°C | 38.3°C30 June 1949 | 1.1°C3 June 1945 | 45 / 45 |
| July | 28.9°C | 17.9°C | 39.4°C24 July 1941 | 8.9°C12 July 1941 | 45 / 47 |
| August | 27.5°C | 16.7°C | 40.0°C4 August 1947 | 3.9°C20 August 1950 | 47 / 47 |
| September | 23.0°C | 11.8°C | 37.2°C4 September 2023 | −2.2°C28 September 1942 | 45 / 47 |
| October | 15.6°C | 5.0°C | 32.8°C1 October 2023 | −9.3°C27 October 2020 | 46 / 46 |
| November | 5.9°C | −2.7°C | 25.6°C8 November 1999 | −21.7°C30 November 1947 | 46 / 46 |
| December | −1.7°C | −9.7°C | 17.2°C6 December 1939 | −31.1°C27 December 1950 | 46 / 46 |
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 44 to 47 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.