Lahr/Black Forest Arpt climate by month
Averages and records for each calendar month at Lahr/Black Forest Arpt, Germany, from 1950 to 2026. The warmest month is July, averaging 25.6°C; the coolest is January at 4.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.6°C | −1.1°C | 18.6°C1 January 2023 | −19.8°C13 January 1987 | 73 / 73 |
| February | 6.9°C | −0.4°C | 22.1°C24 February 1990 | −22.0°C10 February 1956 | 74 / 75 |
| March | 11.5°C | 2.0°C | 26.8°C31 March 2021 | −14.4°C1 March 2005 | 74 / 74 |
| April | 15.7°C | 4.8°C | 31.4°C21 April 1968 | −5.2°C8 April 2003 | 74 / 74 |
| May | 20.1°C | 9.0°C | 33.8°C25 May 2009 | −1.1°C11 May 1953 | 74 / 74 |
| June | 23.6°C | 12.6°C | 40.0°C27 June 2026 | 3.5°C3 June 2006 | 74 / 74 |
| July | 25.6°C | 14.1°C | 39.5°C30 July 2026 | 6.3°C4 July 1962 | 74 / 74 |
| August | 25.1°C | 13.8°C | 39.5°C7 August 2015 | 5.2°C28 August 1998 | 74 / 74 |
| September | 21.2°C | 10.5°C | 33.3°C2 September 1953 | 0.8°C29 September 2002 | 72 / 72 |
| October | 15.6°C | 6.8°C | 30.4°C3 October 1985 | −6.7°C30 October 1950 | 72 / 72 |
| November | 9.0°C | 2.6°C | 23.0°C7 November 2015 | −10.4°C23 November 1998 | 72 / 72 |
| December | 5.5°C | 0.0°C | 21.0°C16 December 1989 | −17.9°C26 December 2010 | 72 / 72 |
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 72 to 74 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.