Den Helder Arpt climate by month
Averages and records for each calendar month at Den Helder Arpt, Netherlands, from 1906 to 2026. The warmest month is August, averaging 19.9°C; the coolest is January at 5.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 5.0°C | 0.6°C | 13.7°C25 January 2016 | −18.8°C1 January 1979 | 120 / 120 |
| February | 5.1°C | 0.4°C | 17.2°C24 February 2021 | −20.5°C16 February 1956 | 120 / 120 |
| March | 7.6°C | 2.0°C | 20.5°C18 March 1990 | −17.6°C4 March 1947 | 120 / 120 |
| April | 10.9°C | 4.5°C | 27.9°C15 April 2007 | −5.6°C11 April 1910 | 120 / 120 |
| May | 14.9°C | 7.9°C | 31.0°C27 May 2017 | −4.2°C2 May 1935 | 120 / 120 |
| June | 17.7°C | 10.8°C | 36.2°C26 June 2026 | −0.3°C19 June 1923 | 121 / 121 |
| July | 19.7°C | 13.0°C | 36.1°C19 July 2022 | 4.2°C1 July 1954 | 121 / 121 |
| August | 19.9°C | 13.2°C | 33.8°C4 August 1990 | 4.1°C9 August 1913 | 121 / 121 |
| September | 17.7°C | 11.2°C | 31.8°C5 September 1949 | 0.7°C30 September 1928 | 119 / 119 |
| October | 13.7°C | 8.0°C | 25.1°C13 October 2018 | −7.0°C28 October 1931 | 119 / 119 |
| November | 9.1°C | 4.3°C | 17.9°C24 November 2024 | −13.0°C27 November 1915 | 119 / 119 |
| December | 6.2°C | 1.9°C | 15.3°C19 December 2015 | −15.1°C21 December 1946 | 119 / 119 |
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 119 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.