Jönköping Arpt climate by month
Averages and records for each calendar month at Jönköping Arpt, Sweden, from 1951 to 2026. The warmest month is July, averaging 21.2°C; the coolest is January at 0.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.2°C | −5.2°C | 10.1°C5 January 1973 | −28.4°C9 January 1982 | 71 / 71 |
| February | 0.5°C | −5.9°C | 14.7°C26 February 2019 | −35.4°C9 February 1966 | 70 / 70 |
| March | 4.1°C | −3.8°C | 18.7°C27 March 2012 | −30.0°C1 March 1965 | 71 / 71 |
| April | 9.5°C | −0.5°C | 26.3°C27 April 1993 | −16.9°C18 April 1966 | 72 / 72 |
| May | 15.5°C | 3.8°C | 28.6°C26 May 1958 | −7.0°C10 May 1984 | 72 / 72 |
| June | 19.6°C | 7.8°C | 34.2°C27 June 2026 | −3.0°C8 June 1951 | 72 / 72 |
| July | 21.2°C | 10.1°C | 35.3°C21 July 2022 | 1.5°C18 July 1978 | 72 / 72 |
| August | 20.2°C | 9.5°C | 34.2°C8 August 2018 | −2.3°C26 August 1973 | 72 / 72 |
| September | 15.5°C | 6.4°C | 29.5°C4 September 2024 | −7.3°C27 September 1986 | 71 / 71 |
| October | 10.0°C | 3.2°C | 21.4°C1 October 2011 | −13.3°C24 October 2003 | 71 / 71 |
| November | 4.5°C | −0.3°C | 15.7°C6 November 2020 | −20.7°C23 November 1965 | 71 / 71 |
| December | 1.6°C | −3.5°C | 12.0°C4 December 1953 | −28.3°C17 December 1981 | 71 / 71 |
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 70 to 72 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.