Rexburg weather by month
Measured at Rexburg/Madison Cnty
Averages and records for each calendar month at Rexburg/Madison Cnty, United States, from 1998 to 2026. The warmest month is July, averaging 30.4°C; the coolest is January at −2.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.3°C | −11.0°C | 12.2°C31 January 2003 | −32.7°C30 January 2023 | 27 / 27 |
| February | 0.2°C | −9.7°C | 12.8°C6 February 2026 | −29.3°C2 February 2011 | 27 / 28 |
| March | 7.2°C | −4.2°C | 24.4°C18 March 2026 | −25.0°C3 March 2002 | 28 / 28 |
| April | 13.3°C | −0.3°C | 29.4°C23 April 2012 | −12.1°C2 April 2008 | 28 / 28 |
| May | 19.0°C | 4.1°C | 33.3°C28 May 2003 | −7.2°C2 May 2013 | 28 / 28 |
| June | 24.2°C | 8.1°C | 35.6°C28 June 2015 | −0.6°C1 June 2000 | 27 / 28 |
| July | 30.4°C | 11.3°C | 38.3°C12 July 2026 | 2.8°C28 July 2015 | 27 / 27 |
| August | 29.3°C | 10.1°C | 37.8°C1 August 2026 | 0.6°C31 August 2006 | 26 / 26 |
| September | 23.5°C | 5.6°C | 36.7°C7 September 2022 | −6.1°C28 September 1999 | 26 / 27 |
| October | 14.6°C | 0.3°C | 29.4°C2 October 2010 | −18.8°C30 October 2019 | 26 / 26 |
| November | 5.9°C | −4.7°C | 21.7°C7 November 1999 | −21.0°C29 November 2006 | 26 / 26 |
| December | −0.9°C | −9.6°C | 12.2°C9 December 2015 | −30.0°C21 December 1998 | 26 / 27 |
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 28 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.