Vernal Rgnl climate by month
Averages and records for each calendar month at Vernal Rgnl, United States, from 1998 to 2026. The warmest month is July, averaging 33.1°C; the coolest is January at −1.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.4°C | −12.9°C | 11.1°C11 January 2000 | −29.3°C15 January 2007 | 28 / 28 |
| February | 3.3°C | −9.1°C | 18.3°C25 February 2026 | −28.8°C1 February 2023 | 29 / 29 |
| March | 11.5°C | −3.2°C | 29.4°C25 March 2026 | −16.1°C2 March 2002 | 29 / 29 |
| April | 16.6°C | 0.5°C | 29.4°C23 April 2012 | −10.5°C14 April 2020 | 29 / 29 |
| May | 22.3°C | 5.3°C | 35.6°C31 May 2002 | −6.1°C11 May 1999 | 29 / 29 |
| June | 29.1°C | 10.4°C | 38.9°C16 June 2021 | −1.1°C13 June 2001 | 29 / 29 |
| July | 33.1°C | 14.6°C | 40.0°C9 July 2021 | 5.6°C5 July 2010 | 28 / 29 |
| August | 31.0°C | 13.0°C | 38.3°C3 August 2020 | 4.4°C31 August 2005 | 29 / 29 |
| September | 25.6°C | 8.0°C | 36.7°C5 September 2022 | −3.3°C29 September 1999 | 28 / 29 |
| October | 17.0°C | 1.4°C | 28.9°C3 October 2025 | −17.1°C30 October 2019 | 28 / 28 |
| November | 8.4°C | −4.8°C | 20.6°C1 November 2014 | −18.9°C23 November 2003 | 28 / 28 |
| December | −0.1°C | −11.2°C | 14.4°C25 December 2025 | −29.4°C23 December 1998 | 28 / 28 |
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 28 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.