Yeşilli weather in December

In December, Yeşilli sees average daytime highs of 11°C and overnight lows near 2°C, with 65 mm of precipitation across 8.7 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 9°C by the end. The sky is clear or mostly clear about 40% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Yeşilli's 10th-clearest and 9th-windiest month. For the whole year in context, see Yeşilli's year-round climate.

Daytime high
11°
10th warmest
Overnight low
3rd coldest
Precipitation
65 mm
8.7 wet days
Daylight
9 h 24 min
6:30 AM – 3:56 PM
Cloud cover
52%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
2.18 kWh/m²
Travel score
2.6
out of 10

Yeşilli is district and town of Mardin, Türkiye.

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 12°C in the first days to 9°C by the end.

A typical December day in Yeşilli reaches about 11°C in the afternoon and slips back to 2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3123
4123
5123
6123
7123
8113
9113
10113
11113
12112
13112
14102
15102
16102
17102
18102
19102
20102
21102
22101
23101
24101
2591
2691
2791
2891
2991
3091
3191

How December really feels in Yeşilli

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 20 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
20
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Yeşilli weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 709.81.89.71.7
Feb11° / 669.51.810.62.5
Mar15° / 65100.211.74.7
Apr20° / 488.2012.96.8
May27° / 14°315.90147.1
Jun34° / 20°31014.54.0
Jul38° / 23°10.2014.31.4
Aug37° / 23°00.1013.41.8
Sep33° / 18°20.4012.35.1
Oct26° / 13°223.40117.9
Nov17° / 415.80.2106.1
Dec11° / 658.70.89.52.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45347
55347
65248
75248
85149
95149
105149
115248
125248
135248
145347
155347
165446
175446
185545
195545
205545
215545
225545
235545
245446
255347
265248
275149
285149
294951
304852
314852

Chance of precipitation in December

Any precipitationSnow

Yeşilli gets around 65 mm of rain and snow over 8.7 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 28% and peaks near 31% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1261
2271
3271
4281
5291
6292
7302
8302
9312
10312
11303
12303
13303
14293
15293
16283
17273
18274
19264
20263
21263
22263
23263
24263
25263
26273
27283
28293
29303
30314
31314

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:18 AM to 6:36 AM, and sunset from 3:55 PM to 4:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:183:55
29.66:193:55
39.66:203:55
49.66:213:55
59.66:223:55
69.56:223:55
79.56:233:55
89.56:243:55
99.56:253:55
109.56:263:55
119.56:263:55
129.56:273:55
139.56:283:55
149.56:283:56
159.46:293:56
169.46:303:56
179.46:303:56
189.46:313:57
199.46:313:57
209.46:323:58
219.46:323:58
229.46:333:58
239.46:333:59
249.46:343:59
259.46:344:00
269.46:354:01
279.46:354:01
289.46:354:02
299.46:364:02
309.56:364:03
319.56:364:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.18 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 7.93 kWh/m² in June across the year — December's 2.18 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Yeşilli?

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

2.6
Sightseeing
8th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Yeşilli.

What to pack for Yeşilli in December

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

In December, Yeşilli sees daytime highs around 11°C and nights near 2°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Yeşilli in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yeşilli peaks around June 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 highHighModerateJun 14UV 10Jan 12UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul7High
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yeşilli 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 Yeşilli is worst in March — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2028 µg/m³Jul 2118 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb23Moderate
Mar29Moderate
Apr27Moderate
May28Moderate
Jun25Moderate
Jul18Moderate
Aug20Moderate
Sep21Moderate
Oct26Moderate
Nov20Moderate
Dec20Moderate
Location & terrain

Where is Yeşilli?

Yeşilli sits at 37.3°N, 40.8°E, 790 m above sea level, in Turkey. The nearest listed city is Mardin, 7.0 km away.

Topography around Yeşilli

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yeşilli.

Within 3 km, the terrain around Yeşilli has significant variations in elevation — a maximum elevation change of 488 m around an average of 892 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.

The land around Yeşilli is covered by grassland (70%) within 3 km, grassland (74%) within 16 km, and cropland (60%) and grassland (37%) within 80 km.

3 km
488 m
16 km
700 m
80 km
1,163 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Mardin 7.0 km · Kızıltepe 27 km · ‘Āmūdā 28 km · Ad Darbāsīyah 33 km · Nusaybin 46 km · Midyat 47 km · Al Qāmishlī 49 km · Bismil 58 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

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 Yeşilli (37.3381°, 40.8174°, elevation 790 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).