Las Vegas Muni climate by month
Averages and records for each calendar month at Las Vegas Muni, United States, from 1940 to 2026. The warmest month is July, averaging 28.6°C; the coolest is January at 7.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 7.7°C | −7.6°C | 22.2°C10 January 1990 | −32.2°C12 January 1963 | 86 / 86 |
| February | 9.5°C | −6.1°C | 23.9°C21 February 2017 | −30.5°C3 February 2011 | 86 / 86 |
| March | 12.9°C | −3.6°C | 30.0°C21 March 2026 | −26.7°C11 March 1948 | 84 / 84 |
| April | 17.2°C | 0.3°C | 29.4°C22 April 1965 | −18.9°C4 April 1945 | 86 / 86 |
| May | 21.9°C | 5.0°C | 35.0°C30 May 2000 | −8.3°C1 May 1976 | 85 / 85 |
| June | 27.3°C | 9.9°C | 37.2°C21 June 1981 | −0.5°C8 June 2007 | 86 / 86 |
| July | 28.6°C | 12.3°C | 37.8°C18 July 2023 | 3.3°C7 July 1942 | 86 / 86 |
| August | 27.4°C | 11.6°C | 37.2°C26 August 2020 | 3.9°C16 August 1998 | 86 / 86 |
| September | 24.3°C | 8.1°C | 35.0°C6 September 2020 | −5.0°C26 September 1970 | 85 / 86 |
| October | 18.9°C | 2.4°C | 30.6°C1 October 2015 | −16.1°C30 October 1993 | 84 / 85 |
| November | 12.8°C | −3.4°C | 26.7°C8 November 1978 | −24.4°C22 November 1957 | 84 / 86 |
| December | 8.4°C | −6.8°C | 23.9°C22 December 2025 | −25.6°C23 December 1990 | 86 / 86 |
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 84 to 86 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.