Stampede Pass climate by month
Averages and records for each calendar month at Stampede Pass, United States, from 1944 to 2026. The warmest month is July, averaging 18.9°C; the coolest is January at −1.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.3°C | −5.7°C | 15.0°C23 January 1968 | −24.4°C13 January 2024 | 73 / 76 |
| February | 0.3°C | −4.4°C | 15.0°C27 February 1988 | −23.3°C2 February 1989 | 71 / 75 |
| March | 2.5°C | −3.0°C | 18.3°C18 March 2024 | −17.2°C2 March 1960 | 72 / 76 |
| April | 5.7°C | −1.0°C | 24.4°C24 April 1977 | −8.9°C19 April 1951 | 67 / 74 |
| May | 10.6°C | 2.5°C | 30.0°C31 May 1986 | −6.7°C1 May 1954 | 71 / 75 |
| June | 14.2°C | 5.5°C | 36.7°C29 June 2021 | −2.2°C5 June 1950 | 71 / 75 |
| July | 18.9°C | 8.7°C | 33.9°C21 July 2006 | −1.1°C1 July 1955 | 74 / 77 |
| August | 18.9°C | 9.2°C | 34.4°C14 August 2023 | 1.1°C30 August 1964 | 74 / 77 |
| September | 15.4°C | 6.8°C | 32.8°C4 September 1988 | −3.3°C27 September 1972 | 72 / 77 |
| October | 9.0°C | 2.5°C | 26.7°C8 October 1988 | −9.4°C31 October 1984 | 71 / 78 |
| November | 1.8°C | −2.4°C | 17.2°C16 November 2008 | −20.6°C15 November 1955 | 73 / 75 |
| December | −1.0°C | −5.2°C | 17.8°C16 December 1980 | −29.4°C30 December 1968 | 70 / 75 |
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 67 to 74 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.