Luxembourg/Findel Arpt climate by month
Averages and records for each calendar month at Luxembourg/Findel Arpt, Luxembourg, from 1947 to 2026. The warmest month is July, averaging 22.9°C; the coolest is January at 3.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.0°C | −1.7°C | 13.9°C15 January 1975 | −17.8°C1 January 1979 | 80 / 80 |
| February | 4.7°C | −1.3°C | 19.8°C27 February 2019 | −20.2°C2 February 1956 | 79 / 80 |
| March | 9.1°C | 1.3°C | 23.5°C31 March 2021 | −14.4°C6 March 1971 | 80 / 80 |
| April | 13.3°C | 4.1°C | 27.9°C20 April 2018 | −6.9°C12 April 1986 | 80 / 80 |
| May | 17.6°C | 7.9°C | 31.6°C29 May 2017 | −2.1°C8 May 1957 | 79 / 79 |
| June | 20.9°C | 11.0°C | 38.2°C26 June 2026 | 0.9°C1 June 1962 | 80 / 80 |
| July | 22.9°C | 12.8°C | 39.0°C25 July 2019 | 4.5°C8 July 1954 | 80 / 80 |
| August | 22.4°C | 12.7°C | 37.9°C8 August 2003 | 4.3°C31 August 1956 | 80 / 80 |
| September | 18.6°C | 9.8°C | 32.2°C15 September 2020 | −0.7°C30 September 1957 | 79 / 79 |
| October | 13.3°C | 6.1°C | 26.0°C2 October 2011 | −4.6°C27 October 1950 | 79 / 79 |
| November | 7.2°C | 2.0°C | 19.8°C2 November 2020 | −11.1°C23 November 1998 | 79 / 79 |
| December | 3.9°C | −0.5°C | 15.7°C31 December 2022 | −15.3°C29 December 1976 | 77 / 79 |
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 77 to 80 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.