Bigfork Muni climate by month
Averages and records for each calendar month at Bigfork Muni, United States, from 2003 to 2026. The warmest month is July, averaging 26.1°C; the coolest is January at −7.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −7.6°C | −19.4°C | 13.9°C6 January 2003 | −43.3°C17 January 2005 | 23 / 24 |
| February | −4.8°C | −18.9°C | 15.6°C16 February 2011 | −41.7°C13 February 2021 | 23 / 23 |
| March | 3.6°C | −10.0°C | 25.0°C18 March 2012 | −37.8°C3 March 2014 | 23 / 23 |
| April | 10.3°C | −2.6°C | 29.4°C28 April 2004 | −20.6°C8 April 2018 | 23 / 23 |
| May | 18.3°C | 4.0°C | 33.9°C29 May 2026 | −7.8°C3 May 2005 | 23 / 24 |
| June | 23.4°C | 9.6°C | 35.6°C4 June 2021 | −2.8°C3 June 2009 | 24 / 24 |
| July | 26.1°C | 12.2°C | 35.0°C16 July 2006 | 1.7°C29 July 2005 | 24 / 24 |
| August | 24.6°C | 10.8°C | 33.9°C25 August 2013 | −1.7°C21 August 2004 | 24 / 24 |
| September | 20.2°C | 7.1°C | 33.9°C2 September 2023 | −6.1°C15 September 2011 | 23 / 24 |
| October | 11.6°C | 1.0°C | 31.7°C11 October 2015 | −13.3°C31 October 2023 | 23 / 23 |
| November | 2.5°C | −6.6°C | 22.8°C4 November 2020 | −28.3°C27 November 2014 | 23 / 23 |
| December | −5.2°C | −15.1°C | 11.1°C16 December 2025 | −38.9°C31 December 2017 | 23 / 23 |
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 23 to 24 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.