Rochelle/Kontz Fld climate by month
Averages and records for each calendar month at Rochelle/Kontz Fld, United States, from 1978 to 2019. The warmest month is July, averaging 28.3°C; the coolest is January at −2.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.1°C | −11.7°C | 16.7°C8 January 2008 | −36.1°C19 January 1985 | 40 / 41 |
| February | 0.1°C | −9.6°C | 20.6°C26 February 2000 | −33.9°C1 February 2019 | 39 / 41 |
| March | 7.3°C | −3.4°C | 28.9°C29 March 1986 | −25.6°C4 March 2002 | 41 / 41 |
| April | 15.1°C | 2.6°C | 32.8°C25 April 1986 | −13.3°C6 April 1982 | 39 / 41 |
| May | 21.5°C | 8.7°C | 35.6°C26 May 1985 | −3.9°C4 May 2005 | 40 / 41 |
| June | 26.6°C | 14.4°C | 38.3°C26 June 1988 | 2.2°C22 June 1992 | 38 / 40 |
| July | 28.3°C | 16.1°C | 38.3°C14 July 1995 | 7.2°C28 July 1984 | 38 / 39 |
| August | 27.4°C | 15.3°C | 37.8°C18 August 1988 | 1.7°C27 August 1986 | 39 / 40 |
| September | 23.9°C | 10.5°C | 34.4°C1 September 1984 | −4.4°C29 September 1984 | 37 / 39 |
| October | 16.9°C | 3.9°C | 31.7°C4 October 1997 | −8.9°C30 October 1988 | 40 / 41 |
| November | 8.5°C | −1.8°C | 25.0°C2 November 2000 | −17.2°C12 November 1986 | 39 / 40 |
| December | 0.6°C | −8.4°C | 20.6°C4 December 2012 | −30.0°C23 December 1983 | 40 / 41 |
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 37 to 41 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.