Climate averages 1991–2020
Dūmā weather
in December.
A cool, fairly dry month: the 10th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Dūmā: daytime highs average 13.3°C and nights cool to about 4.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 16 mm of rain on roughly 4 days, which makes December a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 58 min on an average December day.
The nearest other city in this atlas is Damascus (12 km away). In December its highs average 12.7°C, 0.6°C cooler than Dūmā, with 31 mm of rain.
Among the 18 cities listed in Syria, Dūmā ranks 9th of 18 for the warmest December highs and 1st of 18 for the driest December (rainfall, lowest first). The mean December high of those 18 cities is 13.6°C; Dūmā is 0.3°C cooler than that mean.
From December to January, average highs fall by 1.8°C to 11.5°C, and monthly rainfall rises from 16 mm to 24 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
Dūmā climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.5°C2.2°C | 2.2°C | 24 | 5.0 | 10.210 h |
| February | 13.2°C2.9°C | 2.9°C | 18 | 4.4 | 11.011 h |
| March | 17.9°C5.6°C | 5.6°C | 13 | 3.1 | 12.012 h |
| April | 23.3°C9.4°C | 9.4°C | 4.3 | 1.3 | 13.013 h |
| May | 28.7°C13.5°C | 13.5°C | 4.0 | 1.0 | 13.914 h |
| June | 33.3°C16.4°C | 16.4°C | 0.2 | 0.0 | 14.314 h |
| July | 36.1°C18.3°C | 18.3°C | 0.1 | 0.0 | 14.114 h |
| August | 35.9°C18.8°C | 18.8°C | 0.1 | 0.0 | 13.413 h |
| September | 32.4°C17.3°C | 17.3°C | 0.3 | 0.1 | 12.412 h |
| October | 26.5°C13.6°C | 13.6°C | 3.3 | 0.9 | 11.411 h |
| November | 18.5°C7.8°C | 7.8°C | 11 | 2.5 | 10.510 h |
| December, selected | 13.3°C4.0°C | 4.0°C | 16 | 3.7 | 10.010 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
- Damascus in DecemberSyria · 12 kmHigh 12.7°C · Low 3.0°C · 31 mm rain
- Dārayyā in DecemberSyria · 20 kmHigh 12.7°C · Low 3.7°C · 31 mm rain
- Zahlé in DecemberLebanon · 55 kmHigh 12.2°C · Low 2.4°C · 66 mm rain
- Aley in DecemberLebanon · 79 kmHigh 12.8°C · Low 4.0°C · 105 mm rain
- Jounieh in DecemberLebanon · 86 kmHigh 17.1°C · Low 9.9°C · 133 mm rain
- Nabatîyé et Tahta in DecemberLebanon · 88 kmHigh 15.5°C · Low 7.5°C · 102 mm rain
- Beirut in DecemberLebanon · 91 kmHigh 17.7°C · Low 9.7°C · 133 mm rain
- Sidon in DecemberLebanon · 96 kmHigh 17.2°C · Low 10.5°C · 201 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 Dūmā) is explained once on the Dūmā year overview and on the Sources, method and limits page.