Erdemli weather in December

In December, Erdemli sees average daytime highs of 13°C and overnight lows near 11°C, with 135 mm of precipitation across 11.1 wet days and about 9.5 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 12°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 42 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Erdemli's 11th-clearest and 2nd-windiest month. For the whole year in context, see Erdemli's year-round climate.

Daytime high
13°
10th warmest
Overnight low
11°
3rd coldest
Precipitation
135 mm
11.1 wet days
Daylight
9 h 30 min
6:54 AM – 4:24 PM
Cloud cover
51%
11th clearest
Wind
12 km/h
2nd windiest
Solar energy
2.2 kWh/m²
Travel score
3.9
out of 10

Erdemli is district of Mersin, south-central Turkey.

Density
20/km²
people per km²
Founded
1954

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 15°C in the first days to 12°C by the end.

A typical December day in Erdemli reaches about 13°C in the afternoon and slips back to 11°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11512
21512
31512
41512
51512
61512
71412
81411
91411
101411
111411
121411
131411
141311
151311
161311
171310
181310
191310
201310
211310
221310
231310
241310
251310
261310
271310
281210
291210
301210
311210

Erdemli weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 10611.62.19.83.0
Feb12° / 6791.710.63.4
Mar15° / 11°498.90.411.74.7
Apr18° / 14°378.2012.96.2
May22° / 17°399.3013.97.2
Jun25° / 21°267.4014.58.0
Jul28° / 24°113.6014.27.9
Aug29° / 25°134.6013.47.3
Sep27° / 23°194.7012.28.3
Oct23° / 19°355.7011.18.1
Nov18° / 15°676.50.2106.6
Dec13° / 11°13511.11.29.53.9

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 15% of December, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55743
65743
75743
85644
95545
105545
115545
125545
135545
145545
155545
165545
175545
185545
195446
205545
215446
225446
235446
245446
255347
265248
275248
285248
295149
305149
315248

Chance of precipitation in December

Any precipitationSnow

Erdemli gets around 135 mm of rain and snow over 11.1 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 40% on the wettest days, and about 1 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1292
2302
3302
4312
5322
6333
7343
8353
9363
10373
11373
12383
13383
14383
15383
16384
17384
18384
19374
20374
21374
22375
23375
24375
25375
26386
27386
28396
29396
30406
31406

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 (%)
1982
2982
3982
4991
5991
6991
7991
8991
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 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 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 12 minutes over December. Sunrise moves from 6:42 AM to 7:00 AM, and sunset from 4:23 PM to 4:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.76:424:23
29.76:434:23
39.66:444:23
49.66:454:23
59.66:464:23
69.66:464:23
79.66:474:23
89.66:484:23
99.66:494:23
109.66:504:23
119.56:504:23
129.56:514:23
139.56:524:23
149.56:524:24
159.56:534:24
169.56:544:24
179.56:544:25
189.56:554:25
199.56:554:25
209.56:564:26
219.56:564:26
229.56:574:27
239.56:574:27
249.56:584:28
259.56:584:28
269.56:594:29
279.56:594:29
289.56:594:30
299.57:004:30
309.57:004:31
319.57:004:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.43 kWh/m² in June across the year — December's 2.2 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
82.3Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
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

Hazard calendar for Erdemli

In seasonPeak

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

Erdemli's rainy season runs November–February, 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 Erdemli?

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

3.9
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 Erdemli.

What to pack for Erdemli in December

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

In December, Erdemli sees daytime highs around 13°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Erdemli in December

The nearest coast averages about 20°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in February near 17°C.

It's comfortable for a long swim from May 3 to Dec 16 — about 7.5 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May21Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep28Tropical
Oct26Warm
Nov23Refreshing
Dec20Refreshing

UV index in Erdemli 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 Erdemli peaks around July 14 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 14UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Erdemli 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 Erdemli is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 921 µg/m³Dec 1813 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May21Moderate
Jun18Moderate
Jul15Moderate
Aug17Moderate
Sep17Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Erdemli?

Erdemli sits at 36.6°N, 34.3°E, 11 m above sea level, in Turkey. The nearest listed city is Mersin, 37 km away.

KireçocağıAdanaEreğli

Topography around Erdemli

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

Within 3 km, the terrain around Erdemli has only modest variations in elevation — a maximum elevation change of 124 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,121 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,172 m.

The land around Erdemli is covered by water (44%) and trees (37%) within 3 km, water (47%) and trees (35%) within 16 km, and water (33%), grassland (32%) and trees (21%) within 80 km.

3 km
124 m
16 km
1,121 m
80 km
3,172 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Mersin 37 km · Silifke 42 km · Taşucu 50 km · Tarsus 63 km · Mut 78 km · Kireçocağı 96 km · Adana 100 km · Ereğli 104 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 Erdemli (36.605°, 34.3084°, elevation 11 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).