Hamburg Arpt climate by month
Averages and records for each calendar month at Hamburg Arpt, Germany, from 1891 to 2026. The warmest month is July, averaging 22.0°C; the coolest is January at 3.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.1°C | −1.6°C | 15.7°C1 January 2023 | −22.8°C22 January 1940 | 136 / 136 |
| February | 4.0°C | −1.3°C | 18.9°C22 February 2021 | −29.1°C13 February 1940 | 136 / 136 |
| March | 7.7°C | 0.7°C | 23.5°C31 March 2021 | −15.3°C13 March 2006 | 136 / 136 |
| April | 12.4°C | 3.6°C | 29.7°C21 April 1968 | −7.1°C10 April 1941 | 136 / 136 |
| May | 17.3°C | 7.5°C | 33.5°C28 May 2005 | −5.0°C10 May 1941 | 136 / 136 |
| June | 20.3°C | 10.8°C | 39.1°C27 June 2026 | 0.6°C3 June 1962 | 136 / 136 |
| July | 22.0°C | 13.0°C | 39.1°C20 July 2022 | 3.4°C1 July 1954 | 136 / 136 |
| August | 21.7°C | 12.6°C | 37.3°C9 August 1992 | 1.8°C22 August 1964 | 136 / 136 |
| September | 18.3°C | 9.9°C | 32.3°C16 September 1947 | −1.2°C29 September 1936 | 135 / 135 |
| October | 13.1°C | 6.3°C | 27.1°C13 October 2018 | −7.1°C28 October 1997 | 135 / 135 |
| November | 7.5°C | 2.5°C | 20.2°C2 November 1968 | −15.4°C23 November 1965 | 135 / 135 |
| December | 4.3°C | −0.1°C | 15.7°C24 December 1977 | −18.5°C31 December 1978 | 135 / 135 |
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 135 to 136 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.