Climate averages 1991–2020
Deir ez-Zor weather
in December.
A cool, fairly dry month: the 11th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Deir ez-Zor: daytime highs average 13.9°C and nights cool to about 5.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 24 mm of rain on roughly 5 days, which makes December a fairly dry month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 49 min on an average December day.
The nearest other city in this atlas is Ar Raqqah (123 km away). In December its highs average 13.6°C, about as warm as Deir ez-Zor, with 29 mm of rain.
Among the 18 cities listed in Syria, Deir ez-Zor ranks 7th of 18 for the warmest December highs and 2nd of 18 for the driest December (rainfall, lowest first). The mean December high of those 18 cities is 13.6°C; Deir ez-Zor is 0.3°C warmer than that mean.
From December to January, average highs fall by 1.4°C to 12.5°C, and monthly rainfall rises from 24 mm to 25 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Deir ez-Zor climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.5°C3.5°C | 3.5°C | 25 | 5.5 | 10.110 h |
| February | 15.1°C4.8°C | 4.8°C | 23 | 4.8 | 10.911 h |
| March | 20.5°C8.7°C | 8.7°C | 21 | 4.5 | 11.912 h |
| April | 26.6°C13.7°C | 13.7°C | 12 | 2.6 | 13.113 h |
| May | 32.5°C19.1°C | 19.1°C | 8.2 | 1.6 | 14.014 h |
| June | 37.4°C23.6°C | 23.6°C | 0.4 | 0.1 | 14.514 h |
| July | 40.4°C26.0°C | 26.0°C | 0.1 | 0.0 | 14.314 h |
| August | 40.0°C26.0°C | 26.0°C | 0.1 | 0.1 | 13.513 h |
| September | 35.7°C22.9°C | 22.9°C | 0.4 | 0.1 | 12.412 h |
| October | 29.3°C17.5°C | 17.5°C | 9.8 | 1.7 | 11.311 h |
| November | 19.9°C9.6°C | 9.6°C | 19 | 3.5 | 10.310 h |
| December, selected | 13.9°C5.0°C | 5.0°C | 24 | 5.0 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Ar Raqqah in DecemberSyria · 123 kmHigh 13.6°C · Low 4.4°C · 29 mm rain
- Al Qā’im in DecemberIraq · 130 kmHigh 14.9°C · Low 5.8°C · 19 mm rain
- Al Ḩasakah in DecemberSyria · 141 kmHigh 13.2°C · Low 4.0°C · 49 mm rain
- Al-Tabqa in DecemberSyria · 154 kmHigh 13.1°C · Low 5.1°C · 29 mm rain
- Kızıltepe in DecemberTurkey · 210 kmHigh 11.5°C · Low 2.7°C · 63 mm rain
- Viranşehir in DecemberTurkey · 213 kmHigh 11.4°C · Low 3.3°C · 66 mm rain
- Al Qāmishlī in DecemberSyria · 214 kmHigh 12.0°C · Low 2.6°C · 68 mm rain
- Mardin in DecemberTurkey · 226 kmHigh 8.1°C · Low -1.1°C · 65 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Deir ez-Zor) is explained once on the Deir ez-Zor year overview and on the Sources, method and limits page.