Zonguldak weather in December

In December, Zonguldak sees average daytime highs of 10°C and overnight lows near 7°C, with 107 mm of precipitation across 13.7 wet days and about 9.1 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 11°C in the first days to 9°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 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Zonguldak's 11th-clearest and 3rd-windiest month. For the whole year in context, see Zonguldak's year-round climate.

Daytime high
10°
9th warmest
Overnight low
4th coldest
Precipitation
107 mm
13.7 wet days
Daylight
9 hours
7:18 AM – 4:19 PM
Cloud cover
66%
11th clearest
Wind
15 km/h
3rd windiest
Solar energy
1.49 kWh/m²
Travel score
2.0
out of 10

Zonguldak is central district and city in Zonguldak Province, Turkey.

Air quality
Good
PM10 26.8 µg/m³ · 2017
Density
374/km²
people per km²

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 11°C in the first days to 9°C by the end.

A typical December day in Zonguldak reaches about 10°C in the afternoon and slips back to 7°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1128
2128
3118
4118
5118
6118
7117
8117
9117
10107
11107
12107
13107
14107
15106
16106
17106
18106
1996
2096
2196
2296
2396
2496
2596
2696
2796
2896
2996
3096
3195

Zonguldak weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 96143.99.31.1
Feb / 7612.33.310.31.2
Mar10° / 7712.31.611.71.9
Apr13° / 478.80.113.13.7
May17° / 14°436.8014.36.2
Jun22° / 18°506.6014.97.7
Jul25° / 21°425.7014.78.4
Aug25° / 21°505.9013.78.3
Sep22° / 19°828.1012.37.5
Oct18° / 15°10110.1010.96.1
Nov14° / 10°9010.50.29.74.0
Dec10° / 10713.71.89.12.0

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 11% of December, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43763
53763
63763
73763
83763
93664
103664
113565
123565
133565
143565
153466
163466
173466
183367
193367
203367
213367
223367
233367
243367
253268
263268
273268
283169
293268
303169
313169

Chance of precipitation in December

Any precipitationSnow

Zonguldak gets around 107 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 49% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1422
2422
3432
4432
5432
6433
7433
8433
9434
10434
11444
12445
13445
14446
15446
16456
17457
18457
19457
20457
21458
22468
23468
24468
25479
26479
27489
284810
294910
304910
314911

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 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:06 AM to 7:25 AM, and sunset from 4:19 PM to 4:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:064:19
29.27:074:19
39.27:084:19
49.27:094:19
59.17:104:19
69.17:114:18
79.17:124:18
89.17:124:18
99.17:134:18
109.17:144:18
119.17:154:19
129.17:164:19
139.07:164:19
149.07:174:19
159.07:184:19
169.07:184:19
179.07:194:20
189.07:204:20
199.07:204:20
209.07:214:21
219.07:214:21
229.07:224:22
239.07:224:22
249.07:234:23
259.07:234:23
269.07:234:24
279.07:244:24
289.07:244:25
299.07:244:26
309.07:254:26
319.07:254:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.49 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.72 kWh/m² in July across the year — December's 1.49 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.5Dim
261.5Dim
271.5Dim
281.5Dim
291.5Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Zonguldak?

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

2.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Zonguldak.

What to pack for Zonguldak in December

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

In December, Zonguldak sees daytime highs around 10°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Zonguldak in December

The nearest coast averages about 12°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 16 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 12 to Oct 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec12Bracing

UV index in Zonguldak in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zonguldak peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Zonguldak 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 Zonguldak is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2115 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar15Moderate
Apr14Moderate
May13Moderate
Jun11Good
Jul9Good
Aug9Good
Sep9Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Zonguldak?

Zonguldak sits at 41.5°N, 31.8°E, 24 m above sea level, in Turkey. The nearest listed city is Çaycuma, 24 km away.

Topography around Zonguldak

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

Within 3 km, the terrain around Zonguldak has significant variations in elevation — a maximum elevation change of 423 m around an average of 97 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 923 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,992 m.

The land around Zonguldak is covered by trees (55%), water (24%) and artificial surfaces (20%) within 3 km, trees (49%) and water (44%) within 16 km, and trees (58%) and water (34%) within 80 km.

3 km
423 m
16 km
923 m
80 km
1,992 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Çaycuma 24 km · Devrek 29 km · Ereğli 36 km · Alaplı 45 km · Bartın 50 km · Akçakoca 69 km · Karabük 75 km · Safranbolu 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 Zonguldak (41.4514°, 31.7931°, elevation 24 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).