Silvan weather in December

In December, Silvan sees average daytime highs of 8°C and overnight lows near -0°C, with 121 mm of precipitation across 10.8 wet days and about 9.4 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 10°C in the first days to 7°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 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Silvan's 9th-clearest and 11th-windiest month. For the whole year in context, see Silvan's year-round climate.

Daytime high
10th warmest
Overnight low
-0°
3rd coldest
Precipitation
121 mm
10.8 wet days
Daylight
9 h 24 min
6:31 AM – 3:53 PM
Cloud cover
53%
9th clearest
Wind
6 km/h
11th windiest
Solar energy
2.03 kWh/m²
Travel score
1.4
out of 10

Silvan is town of Diyarbakır, Turkey.

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 10°C in the first days to 7°C by the end.

A typical December day in Silvan reaches about 8°C in the afternoon and slips back to -0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1111
2111
3101
4101
5101
6101
791
891
990
1090
1190
1290
1380
1480
1580
1680
178-1
188-1
198-1
207-1
217-1
227-1
237-1
247-1
257-1
267-1
277-2
287-2
297-2
307-2
316-2

How December really feels in Silvan

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Silvan 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 / -3°12511.16.19.70.4
Feb / -2°11511.25.510.51.2
Mar13° / 126131.811.73.4
Apr18° / 10812.60.1135.6
May25° / 12°578.80147.1
Jun32° / 17°72.1014.65.1
Jul37° / 22°10.3014.42.2
Aug37° / 21°10.2013.52.3
Sep32° / 16°61012.35.7
Oct24° / 11°474.90117.9
Nov15° / 817.40.69.95.0
Dec / -0°12110.82.99.41.4

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 11% of December, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35248
45248
55149
65050
75149
85050
95050
105050
115050
125050
135149
145149
155149
165149
175248
185248
195248
205248
215248
225248
235248
245149
255050
264951
274951
284951
294753
304753
314753

Chance of precipitation in December

Any precipitationSnow

Silvan gets around 121 mm of rain and snow over 10.8 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 35% and peaks near 39% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1305
2315
3325
4325
5336
6346
7356
8357
9367
10368
11368
12379
13379
143610
153610
163611
173611
183611
193512
203512
213512
223512
233512
243512
253512
263613
273713
283714
293814
303915
313915

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 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 24 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 6:19 AM to 6:38 AM, and sunset from 3:52 PM to 4:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.56:193:52
29.56:203:52
39.56:213:52
49.56:223:52
59.56:233:52
69.56:243:52
79.46:253:52
89.46:253:52
99.46:263:52
109.46:273:52
119.46:283:52
129.46:293:52
139.46:293:52
149.46:303:52
159.46:313:53
169.46:313:53
179.46:323:53
189.46:323:54
199.46:333:54
209.36:343:54
219.36:343:55
229.36:353:55
239.36:353:56
249.36:353:56
259.46:363:57
269.46:363:57
279.46:373:58
289.46:373:59
299.46:373:59
309.46:374:00
319.46:384:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.03 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.03 kWh/m² to a high of 7.95 kWh/m² in July across the year — December's 2.03 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.1Moderate
62.1Moderate
72.1Moderate
82.1Moderate
92.1Moderate
102.0Moderate
112.0Moderate
122.0Moderate
132.0Moderate
142.0Moderate
152.0Dim
162.0Dim
172.0Dim
182.0Dim
192.0Dim
202.0Dim
212.0Moderate
222.0Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.0Moderate
272.0Moderate
282.0Moderate
292.0Moderate
302.0Moderate
312.0Moderate
Planning a trip in December

Hazard calendar for Silvan

In seasonPeak

In December, Silvan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Silvan's rainy season runs November–April, when most of the year's rain falls.

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

Is December a good time to visit Silvan?

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

1.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Silvan.

What to pack for Silvan in December

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

In December, Silvan sees daytime highs around 8°C and nights near -0°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Silvan 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 Silvan peaks around June 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJun 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun10Extreme
Jul8Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Silvan 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 Silvan is worst in May — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1026 µg/m³Jul 2017 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar26Moderate
Apr26Moderate
May26Moderate
Jun20Moderate
Jul16Moderate
Aug18Moderate
Sep20Moderate
Oct24Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Silvan?

Silvan sits at 38.1°N, 41.0°E, 810 m above sea level, in Turkey. The nearest listed city is Batman, 30 km away.

Topography around Silvan

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

Within 3 km, the terrain around Silvan has significant variations in elevation — a maximum elevation change of 456 m around an average of 874 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 954 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,499 m.

The land around Silvan is covered by cropland (45%) and grassland (37%) within 3 km, cropland (57%) and grassland (34%) within 16 km, and grassland (55%) and cropland (36%) within 80 km.

3 km
456 m
16 km
954 m
80 km
2,499 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Batman 30 km · Kulp 40 km · Kozluk 41 km · Bismil 45 km · Lice 48 km · Kurtalan 64 km · Diyarbakır 74 km · Muş 78 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 Silvan (38.1371°, 41.0082°, elevation 810 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).