Çayeli weather in December

In December, Çayeli sees average daytime highs of 7°C and overnight lows near 1°C, with 157 mm of precipitation across 14.3 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 6°C by the end. The sky is clear or mostly clear about 28% 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 Çayeli's 3rd-clearest and 1st-windiest month. For the whole year in context, see Çayeli's year-round climate.

Daytime high
10th warmest
Overnight low
3rd coldest
Precipitation
157 mm
14.3 wet days
Daylight
9 h 06 min
6:42 AM – 3:45 PM
Cloud cover
63%
3rd clearest
Wind
8 km/h
1st windiest
Solar energy
1.68 kWh/m²
Travel score
0.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 9°C in the first days to 6°C by the end.

A typical December day in Çayeli reaches about 7°C in the afternoon and slips back to 1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 1°C and 12°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
193
293
393
482
582
682
782
882
982
1072
1172
1271
1371
1471
1571
1671
1771
1871
1961
2061
2161
2261
2361
2461
2561
2661
2761
2861
2960
3060
3160

How December really feels in Çayeli

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 25 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
25
wind chill below the day's low

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

Çayeli weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°16015.812.89.40.0
Feb / -1°13014.211.810.40.2
Mar / 15617.111.111.71.1
Apr12° / 13417.54.913.12.7
May16° / 10°18520.10.314.34.0
Jun20° / 14°21920.3014.94.6
Jul21° / 16°23222.4014.74.6
Aug22° / 17°26924.5013.64.4
Sep20° / 14°28619.7012.34.8
Oct17° / 10°266170.810.94.5
Nov12° / 18613.45.69.72.7
Dec / 15714.39.89.10.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64060
73961
83961
93862
103862
113763
123763
133862
143862
153862
163763
173862
183862
193862
203862
213862
223961
233961
243961
253961
263961
273961
283763
293763
303763
313664

Chance of precipitation in December

Any precipitationSnow

Çayeli gets around 157 mm of rain and snow over 14.3 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 46% and peaks near 49% on the wettest days, and about 10 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14827
24828
34928
44929
54929
64930
74930
84931
94931
104931
114932
124932
134932
144833
154833
164833
174733
184733
194633
204533
214533
224432
234332
244332
254332
264232
274232
284332
294333
304333
314434

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, the windiest month of the year.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
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 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 6:29 AM to 6:48 AM, and sunset from 3:45 PM to 3:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.36:293:45
29.26:303:44
39.26:313:44
49.26:323:44
59.26:333:44
69.26:343:44
79.26:353:44
89.16:363:44
99.16:363:44
109.16:373:44
119.16:383:44
129.16:393:44
139.16:393:44
149.16:403:44
159.16:413:45
169.16:423:45
179.16:423:45
189.06:433:46
199.06:433:46
209.06:443:46
219.06:443:47
229.06:453:47
239.06:453:48
249.06:463:48
259.06:463:49
269.06:473:49
279.16:473:50
289.16:473:51
299.16:473:51
309.16:483:52
319.16:483:53

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.58 kWh/m² in June across the year — December's 1.68 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.8Dim
21.8Dim
31.8Dim
41.8Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.7Dim
101.7Dim
111.7Dim
121.7Dim
131.7Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.8Dim
Planning a trip in December

Is December a good time to visit Çayeli?

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

0.8
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Çayeli.

What to pack for Çayeli in December

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

In December, Çayeli sees daytime highs around 7°C and nights near 1°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 14 days see rain.

a warm layerrain geara heavy coat

Sea temperature near Çayeli in December

The nearest coast averages about 13°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 26°C and coldest in February near 9°C.

It's comfortable for a long swim from Jun 5 to Oct 21 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr11Bracing
May17Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec13Bracing

UV index in Çayeli 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 Çayeli peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7High
Jun9Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Çayeli?

Çayeli sits at 41.1°N, 40.7°E, 12 m above sea level, in Turkey. The nearest listed city is Rize, 18 km away.

Topography around Çayeli

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

Within 3 km, the terrain around Çayeli has significant variations in elevation — a maximum elevation change of 447 m around an average of 78 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,871 m.

The land around Çayeli is covered by trees (54%) and water (40%) within 3 km, trees (56%) and water (42%) within 16 km, and trees (35%), water (32%) and grassland (30%) within 80 km.

3 km
447 m
16 km
1,467 m
80 km
3,871 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Rize 18 km · Ardeşen 24 km · Of 42 km · Sürmene 54 km · Arhavi 57 km · Araklı 58 km · Hopa 67 km · Arsin 68 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 Çayeli (41.0861°, 40.7221°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).