La Porte weather by month
Measured at Knox/Starke Cnty
Averages and records for each calendar month at Knox/Starke Cnty, United States, from 1897 to 2026. The warmest month is July, averaging 28.2°C; the coolest is January at 0.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.4°C | −8.6°C | 18.9°C20 January 1906 | −31.7°C17 January 2009 | 34 / 34 |
| February | 1.6°C | −8.3°C | 21.7°C21 February 2018 | −27.2°C11 February 2014 | 30 / 32 |
| March | 9.2°C | −2.2°C | 29.4°C24 March 1910 | −19.4°C2 March 1913 | 32 / 33 |
| April | 16.0°C | 3.1°C | 31.1°C26 April 1915 | −11.1°C10 April 1909 | 34 / 35 |
| May | 21.8°C | 9.3°C | 36.1°C28 May 2012 | −4.4°C10 May 1917 | 34 / 34 |
| June | 26.6°C | 14.7°C | 36.7°C21 June 1914 | −0.6°C16 June 1917 | 33 / 33 |
| July | 28.2°C | 16.8°C | 37.8°C23 July 1914 | 5.6°C3 July 1917 | 33 / 33 |
| August | 27.2°C | 15.8°C | 36.7°C10 August 1898 | 3.9°C31 August 1915 | 33 / 34 |
| September | 24.1°C | 12.2°C | 35.6°C11 September 2013 | −1.7°C11 September 1917 | 31 / 32 |
| October | 17.5°C | 5.7°C | 30.6°C9 October 2007 | −6.7°C30 October 1917 | 32 / 33 |
| November | 9.8°C | −0.5°C | 25.6°C2 November 2016 | −15.0°C13 November 2019 | 34 / 34 |
| December | 3.0°C | −5.7°C | 18.9°C4 December 2012 | −26.7°C19 December 2016 | 34 / 34 |
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 30 to 34 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.