Hendek weather in December

In December, Hendek sees average daytime highs of 8°C and overnight lows near 1°C, with 103 mm of precipitation across 13.7 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 1st-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 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Hendek's 10th-clearest and 1st-windiest month. For the whole year in context, see Hendek's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
103 mm
13.7 wet days
Daylight
9 h 06 min
7:21 AM – 4:26 PM
Cloud cover
67%
10th clearest
Wind
7 km/h
1st windiest
Solar energy
1.59 kWh/m²
Travel score
1.3
out of 10
Air quality
Very high
PM2.5 35.1 µg/m³ · 2019

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 Hendek reaches about 8°C in the afternoon and slips back to 1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 14°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1112
2102
3102
4102
5102
6102
792
892
991
1091
1191
1281
1381
1481
1581
1681
1780
1880
1980
2080
2170
2270
2370
2470
2570
2670
2770
2870
2970
3070
3170

How December really feels in Hendek

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 26 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
26
wind chill below the day's low

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

Hendek 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
Jan / -1°9813.68.79.40.6
Feb / -0°8913.57.210.41.2
Mar11° / 10014.15.511.72.6
Apr16° / 8412.71.413.14.6
May20° / 10°8813.1014.26.0
Jun24° / 14°7911.4014.97.0
Jul26° / 16°397.1014.67.5
Aug27° / 17°426.7013.67.5
Sep24° / 13°588.7012.37.4
Oct19° / 8610.50.110.96.1
Nov14° / 769.92.39.73.9
Dec / 10313.76.39.11.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33961
43862
53862
63763
73664
83664
93664
103664
113565
123664
133565
143466
153466
163466
173466
183466
193565
203565
213565
223565
233565
243466
253466
263466
273367
283367
293367
303268
313268

Chance of precipitation in December

Any precipitationSnow

Hendek gets around 103 mm of rain and snow over 13.7 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 45% and peaks near 47% on the wettest days, and about 6 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14114
24214
34215
44315
54316
64316
74317
84418
94418
104419
114419
124420
134420
144520
154521
164521
174521
184522
194522
204522
214522
224523
234523
244623
254624
264624
274625
284726
294726
304727
314727

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 7 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 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
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 min at the start of December to 9 h 06 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 7:08 AM to 7:27 AM, and sunset from 4:25 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:084:25
29.37:094:25
39.37:104:25
49.27:114:25
59.27:124:25
69.27:134:25
79.27:144:25
89.27:154:25
99.27:154:25
109.17:164:25
119.17:174:25
129.17:184:25
139.17:184:25
149.17:194:25
159.17:204:26
169.17:214:26
179.17:214:26
189.17:224:26
199.17:224:27
209.17:234:27
219.17:234:28
229.17:244:28
239.17:244:29
249.17:254:29
259.17:254:30
269.17:264:30
279.17:264:31
289.17:264:31
299.17:264:32
309.17:274:33
319.17:274:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 6.79 kWh/m² in July across the year — December's 1.59 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit Hendek?

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

1.3
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 Hendek.

What to pack for Hendek in December

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

In December, Hendek sees daytime highs around 8°C and nights near 1°C. Pack a warm layer. Worth having: rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Hendek in December

The nearest coast averages about 11°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 11 to Oct 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb7Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec11Bracing

UV index in Hendek 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 Hendek peaks around August 9 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowAug 9UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Hendek 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 Hendek is worst in March — around 48 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 27 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Hendek's WHO annual average of 35.1 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2448 µg/m³Dec 2127 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb33Moderate
Mar48Poor
Apr48Poor
May48Poor
Jun38Poor
Jul30Moderate
Aug32Moderate
Sep29Moderate
Oct30Moderate
Nov31Moderate
Dec27Moderate
Location & terrain

Where is Hendek?

Hendek sits at 40.8°N, 30.7°E, 185 m above sea level, in Turkey. The nearest listed city is Akyazı, 17 km away.

Topography around Hendek

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

Within 3 km, the terrain around Hendek has significant variations in elevation — a maximum elevation change of 437 m around an average of 203 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,509 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,935 m.

The land around Hendek is covered by trees (70%) and artificial surfaces (20%) within 3 km, trees (82%) within 16 km, and trees (59%) and water (20%) within 80 km.

3 km
437 m
16 km
1,509 m
80 km
1,935 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Akyazı 17 km · Ferizli 27 km · Adapazarı 29 km · Kocaali 30 km · Karasu Mahallesi 30 km · Karasu 34 km · Düzce 35 km · Sapanca 42 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 Hendek (40.7994°, 30.7481°, elevation 185 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).