When to go · Matrouh · measured, not marketed

Siwa Oasis, month by month.

واحة سيوة

The coolest afternoons come in January, at about 18 °C; the hottest in July, at about 38 °C.

A normal afternoon stays under 30 °C in 7 months: January, February, March, April, October, November, December.

The ground at the site's coordinates sits -14 m above sea level (NASA SRTM).

Siwa Oasis: monthly climate normals
MonthAfternoonNight Rain, mm/dayHottest hour on record
January18 °C6 °C0.228 °C
February20 °C7 °C0.234 °C
March24 °C10 °C0.038 °C
April29 °C14 °C0.040 °C
May33 °C18 °C0.044 °C
June36 °C21 °C0.046 °C
July38 °C22 °C0.045 °C
August37 °C23 °C0.043 °C
September35 °C21 °C0.042 °C
October30 °C17 °C0.138 °C
November24 °C12 °C0.134 °C
December19 °C8 °C0.228 °C

Afternoon and night are the mean daily maximum and minimum over 2001-2020; the record is the hottest hour in that month across the whole series. Source: NASA POWER climatology (MERRA-2 reanalysis), layer dated 2026-08-08. These are modelled long-run averages checked against published station normals — not weather-station readings and not a forecast. How they were checked →

The other measured sites