Maastricht/Aachen Arpt climate by month
Averages and records for each calendar month at Maastricht/Aachen Arpt, Netherlands, from 1906 to 2026. The warmest month is July, averaging 22.5°C; the coolest is January at 4.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.8°C | −0.3°C | 16.2°C25 January 2016 | −19.3°C8 January 1985 | 121 / 121 |
| February | 6.0°C | −0.1°C | 19.8°C27 February 2019 | −21.4°C14 February 1929 | 121 / 121 |
| March | 9.7°C | 1.9°C | 24.2°C31 March 2021 | −12.9°C5 March 1971 | 121 / 121 |
| April | 13.4°C | 4.1°C | 29.7°C21 April 1968 | −5.4°C6 April 1929 | 121 / 121 |
| May | 18.0°C | 7.9°C | 33.3°C24 May 1922 | −1.4°C8 May 1941 | 121 / 121 |
| June | 20.8°C | 10.9°C | 37.3°C27 June 1947 | 0.9°C1 June 1975 | 121 / 121 |
| July | 22.5°C | 12.8°C | 39.6°C25 July 2019 | 4.3°C5 July 1964 | 121 / 121 |
| August | 22.3°C | 12.6°C | 36.8°C23 August 1944 | 5.1°C27 August 1931 | 121 / 121 |
| September | 19.2°C | 10.0°C | 34.3°C15 September 2020 | −0.6°C26 September 1912 | 120 / 120 |
| October | 14.4°C | 6.7°C | 28.2°C10 October 1921 | −6.2°C26 October 1922 | 120 / 120 |
| November | 8.8°C | 3.1°C | 21.4°C1 November 2014 | −11.9°C28 November 1915 | 120 / 120 |
| December | 5.6°C | 0.8°C | 17.0°C31 December 2022 | −18.2°C23 December 1938 | 120 / 120 |
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 120 to 121 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.