Graz Arpt climate by month
Averages and records for each calendar month at Graz Arpt, Austria, from 1894 to 2025. The warmest month is July, averaging 25.0°C; the coolest is January at 2.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 2.0°C | −4.3°C | 18.4°C11 January 2015 | −23.7°C24 January 1903 | 128 / 131 |
| February | 4.8°C | −3.0°C | 22.8°C28 February 2019 | −23.7°C3 February 1929 | 128 / 131 |
| March | 9.9°C | 0.7°C | 25.1°C29 March 1989 | −17.2°C4 March 1987 | 128 / 131 |
| April | 15.1°C | 5.0°C | 28.8°C29 April 2012 | −5.5°C16 April 1986 | 128 / 131 |
| May | 19.8°C | 9.4°C | 34.1°C28 May 2008 | −1.4°C11 May 1953 | 128 / 131 |
| June | 23.2°C | 12.7°C | 37.2°C27 June 2019 | 1.4°C5 June 1962 | 128 / 131 |
| July | 25.0°C | 14.4°C | 38.1°C29 July 2013 | 4.7°C10 July 1900 | 127 / 131 |
| August | 24.2°C | 13.9°C | 38.1°C8 August 2013 | 4.1°C20 August 1949 | 128 / 132 |
| September | 20.0°C | 10.5°C | 32.9°C12 September 1947 | −0.3°C21 September 1952 | 129 / 131 |
| October | 14.3°C | 5.9°C | 27.2°C21 October 2019 | −9.6°C31 October 1920 | 129 / 131 |
| November | 7.6°C | 1.5°C | 23.0°C11 November 2015 | −13.6°C30 November 1896 | 129 / 131 |
| December | 2.9°C | −2.6°C | 19.2°C17 December 1989 | −19.7°C12 December 1899 | 129 / 131 |
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 127 to 129 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.