Weather overview
Дайр-эз-Заур experiences a desert climate with sharp seasonal contrasts. Winters are mild, while summers bring intense heat. Rainfall is scarce year-round, with the fewest showers occurring between June and September.
From November to March, temperatures in Дайр-эз-Заур are comfortable for outdoor activities, though nights can be chilly. The hottest months, July and August, see daytime highs exceeding +40 °C, making midday exploration challenging. If you prefer moderate weather, April and October offer a balance between warmth and manageable heat.
Temperature
In Дайр-эз-Заур, temperatures rise steadily from January, when averages hover around +7.8 °C, to July, the peak of summer at +33.6 °C. Nighttime lows in winter drop to +2.9 °C in January, while summer nights rarely fall below +25 °C.
The transition months—March and November—bring pleasant warmth, with daytime highs of +20.2 °C and +20.7 °C respectively. By May, the heat becomes more pronounced, with afternoons often reaching +32.5 °C. Evenings in September remain warm at +28.5 °C, but the worst of the summer heat begins to ease.
| Month | Minimum | Maximum |
|---|---|---|
| January | 2.9 | 12.7 |
| February | 4 | 15.1 |
| March | 7 | 20.2 |
| April | 12.5 | 26.1 |
| May | 18.2 | 32.5 |
| June | 23.5 | 37.7 |
| July | 26.6 | 40.6 |
| August | 25.8 | 40.2 |
| September | 21.2 | 35.9 |
| October | 15.8 | 30 |
| November | 7.7 | 20.7 |
| December | 4 | 14.4 |
Precipitation
Дайр-эз-Заур is one of the driest cities in Syria, with annual rainfall barely exceeding 140 mm. Most precipitation falls between November and April, though even these months see modest totals—26.9 mm in January and 23 mm in February.
From May to October, rain is almost nonexistent, with July and August recording no measurable precipitation. The brief wet season offers little relief from the arid conditions, so travelers should not expect lush landscapes or frequent showers at any time of year.
| Month | Precipitation |
|---|---|
| January | 26.9 |
| February | 23 |
| March | 16.1 |
| April | 15.8 |
| May | 7.7 |
| June | 2.5 |
| July | 1.1 |
| August | 0 |
| September | 0.2 |
| October | 10.4 |
| November | 20.1 |
| December | 18.7 |
What to pack
For a winter visit to Дайр-эз-Заур, pack layers to adapt to mild days and cooler nights. A light jacket or sweater will suffice for evenings in December or January, when temperatures dip near +4 °C. Comfortable walking shoes and sunglasses are useful year-round, given the strong sunlight.
Summer trips require loose, breathable clothing to cope with the extreme heat. A wide-brimmed hat, high-SPF sunscreen, and a reusable water bottle are essential for daytime outings in July or August, when temperatures exceed +40 °C. Even in April or October, lightweight fabrics and sun protection remain important.
