Joplin Rgnl climate by month
Averages and records for each calendar month at Joplin Rgnl, United States, from 1948 to 2026. The warmest month is July, averaging 32.5°C; the coolest is January at 6.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 6.4°C | −4.3°C | 25.0°C24 January 1950 | −24.4°C20 January 1985 | 79 / 79 |
| February | 9.4°C | −1.9°C | 30.6°C22 February 1996 | −26.0°C16 February 2021 | 79 / 79 |
| March | 14.8°C | 2.9°C | 33.9°C21 March 2026 | −20.6°C11 March 1948 | 79 / 79 |
| April | 20.7°C | 8.4°C | 35.6°C12 April 1972 | −7.2°C13 April 1957 | 79 / 79 |
| May | 25.0°C | 13.5°C | 35.0°C31 May 1949 | −1.1°C1 May 1960 | 79 / 79 |
| June | 29.8°C | 18.6°C | 39.4°C29 June 1952 | 6.7°C10 June 1988 | 79 / 79 |
| July | 32.5°C | 21.1°C | 46.1°C14 July 1954 | 10.0°C13 July 1975 | 79 / 79 |
| August | 32.1°C | 20.1°C | 43.3°C2 August 2011 | 7.8°C21 August 1950 | 79 / 79 |
| September | 27.8°C | 15.5°C | 40.6°C1 September 2000 | −1.1°C30 September 1984 | 78 / 79 |
| October | 21.8°C | 9.3°C | 34.4°C1 October 1953 | −7.8°C31 October 1993 | 78 / 78 |
| November | 14.4°C | 2.9°C | 30.6°C9 November 2006 | −14.3°C18 November 2014 | 78 / 78 |
| December | 8.5°C | −1.9°C | 26.1°C25 December 2025 | −26.1°C22 December 1989 | 78 / 78 |
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 78 to 79 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.