Deir ez-Zor weather in December

In December, Deir ez-Zor sees average daytime highs of 14°C and overnight lows near 6°C, with 24 mm of precipitation across 4.9 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 13°C by the end. The sky is clear or mostly clear about 50% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of December to 9 h 36 min by month's end. Set against the rest of the year, December is Deir ez-Zor's 12th-clearest and 11th-windiest month. For the whole year in context, see Deir ez-Zor's year-round climate.

Daytime high
14°
11th warmest
Overnight low
2nd coldest
Precipitation
24 mm
4.9 wet days
Daylight
9 h 36 min
6:27 AM – 4:04 PM
Cloud cover
44%
12th clearest
Wind
10 km/h
11th windiest
Solar energy
2.58 kWh/m²
Travel score
5.0
out of 10

Deir ez-Zor is city in eastern Syria.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 13°C by the end.

A typical December day in Deir ez-Zor reaches about 14°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1177
2177
3167
4167
5167
6167
7166
8156
9156
10156
11156
12156
13156
14146
15146
16145
17145
18145
19145
20145
21145
22145
23135
24135
25135
26135
27135
28135
29135
30135
31135

How December really feels in Deir ez-Zor

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Deir ez-Zor weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 255.69.94.1
Feb16° / 224.810.75.6
Mar21° / 10°214.511.77.6
Apr27° / 14°122.812.97.9
May33° / 20°81.613.84.6
Jun38° / 25°00.114.31.4
Jul41° / 27°0014.10.0
Aug40° / 27°00.113.30.1
Sep36° / 23°00.112.22.5
Oct30° / 18°101.711.16.4
Nov21° / 10°193.510.17.8
Dec14° / 244.99.75.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46436
56436
66337
76337
86337
96337
106337
116337
126337
136436
146436
156436
166436
176535
186535
196535
206535
216535
226535
236535
246535
256535
266535
276436
286436
296337
306337
316337

Chance of precipitation in December

Any precipitation

Deir ez-Zor gets around 24 mm of rain and snow over 4.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 16% and peaks near 18% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
114
214
315
415
516
616
717
817
917
1017
1117
1217
1317
1417
1516
1616
1716
1815
1915
2015
2115
2215
2315
2415
2515
2616
2716
2816
2917
3017
3118

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 48 min at the start of December to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 6:16 AM to 6:33 AM, and sunset from 4:03 PM to 4:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.86:164:03
29.86:164:03
39.86:174:03
49.76:184:03
59.76:194:03
69.76:204:03
79.76:204:03
89.76:214:03
99.76:224:03
109.76:234:03
119.76:234:03
129.76:244:03
139.66:254:04
149.66:264:04
159.66:264:04
169.66:274:04
179.66:274:05
189.66:284:05
199.66:284:05
209.66:294:06
219.66:304:06
229.66:304:07
239.66:304:07
249.66:314:08
259.66:314:08
269.66:324:09
279.66:324:09
289.66:324:10
299.66:334:11
309.66:334:11
319.66:334:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 8.06 kWh/m² in June across the year — December's 2.58 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Deir ez-Zor

In seasonPeak

None of Deir ez-Zor's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Deir ez-Zor sees seasonal dust haze (April–June), heaviest in May.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Deir ez-Zor?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.0
Sightseeing
6th-best month of the year
0.3
Beach & pool
11th-best month of the year

December is a reasonable time to visit Deir ez-Zor for sightseeing.

What to pack for Deir ez-Zor in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Deir ez-Zor sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Deir ez-Zor in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Deir ez-Zor peaks around June 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJun 14UV 9Jan 13UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May7Very high
Jun10Very high
Jul6High
Aug9Very high
Sep5Moderate
Oct5Moderate
Nov4Moderate
Dec3Moderate

Air quality in Deir ez-Zor in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Deir ez-Zor is worst in July — around 55 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (November, 29 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1955 µg/m³Nov 2030 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb35Moderate
Mar44Poor
Apr43Poor
May48Poor
Jun49Poor
Jul55Unhealthy
Aug52Poor
Sep42Poor
Oct37Poor
Nov29Moderate
Dec31Moderate
Location & terrain

Where is Deir ez-Zor?

Deir ez-Zor sits at 35.3°N, 40.1°E, 210 m above sea level, in Syria. The nearest listed city is Al Mayādīn, 45 km away.

Al MayādīnSubaykhānHajīnĀlbū KamālAr RaqqahAl Qā’imAl ḨasakahAl-Tabqa

Topography around Deir ez-Zor

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Deir ez-Zor.

Within 3 km, the terrain around Deir ez-Zor has only modest variations in elevation — a maximum elevation change of 65 m around an average of 215 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.

The land around Deir ez-Zor is covered by artificial surfaces (45%) and bare terrain (23%) within 3 km, bare terrain (56%) within 16 km, and bare terrain (82%) within 80 km.

3 km
65 m
16 km
137 m
80 km
684 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Al Mayādīn 45 km · Subaykhān 68 km · Hajīn 95 km · Ālbū Kamāl 121 km · Ar Raqqah 123 km · Al Qā’im 130 km · Al Ḩasakah 141 km · Al-Tabqa 154 km

Syria travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E / L
220 V · 50 Hz
Prices
≈ 32% of US
price level, 2022
GDP per capita
$1,057
2022
Happiness
3.5 / 10
World Happiness, 2018
Homicide rate
2.1
per 100k, 2010
Road deaths
14.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 456
Religion
Muslim 87%Christian 10%Druze 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Deir ez-Zor (35.3359°, 40.1408°, elevation 210 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).