Arzew climate by month
Averages and records for each calendar month at Arzew, Algeria, from 1985 to 2026. The warmest month is August, averaging 29.8°C; the coolest is January at 17.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 17.0°C | 9.7°C | 27.4°C17 January 2024 | 0.6°C28 January 2005 | 12 / 24 |
| February | 17.8°C | 10.2°C | 32.4°C27 February 2010 | 1.4°C17 February 2005 | 11 / 25 |
| March | 19.1°C | 12.1°C | 30.0°C20 March 2010 | 2.9°C3 March 2004 | 14 / 25 |
| April | 20.7°C | 14.1°C | 32.3°C24 April 2009 | 6.5°C4 April 2003 | 14 / 26 |
| May | 23.4°C | 17.1°C | 34.1°C29 May 2022 | 10.0°C5 May 2002 | 14 / 25 |
| June | 26.9°C | 20.6°C | 38.8°C7 June 2024 | 11.7°C23 June 2009 | 16 / 26 |
| July | 29.4°C | 23.6°C | 40.6°C24 July 2009 | 14.6°C13 July 2024 | 15 / 25 |
| August | 29.8°C | 24.0°C | 40.1°C14 August 2022 | 17.1°C30 August 2006 | 15 / 25 |
| September | 27.2°C | 21.6°C | 37.6°C5 September 2005 | 14.9°C20 September 2005 | 14 / 25 |
| October | 25.1°C | 18.2°C | 37.0°C25 October 2006 | 6.7°C26 October 1995 | 15 / 24 |
| November | 21.0°C | 13.5°C | 33.5°C13 November 2025 | 6.8°C29 November 2008 | 11 / 24 |
| December | 18.0°C | 11.0°C | 28.1°C11 December 2010 | 2.8°C17 December 2010 | 12 / 25 |
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 11 to 16 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.