Mersin weather in January

In January, Mersin sees average daytime highs of 14°C and overnight lows near 10°C, with 99 mm of rain across 9.6 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 40% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Mersin's 12th-clearest and 2nd-windiest month. For the whole year in context, see Mersin's year-round climate.

Daytime high
14°
12th warmest
Overnight low
10°
1st coldest
Rainfall
99 mm
9.6 wet days
Daylight
9 h 42 min
6:59 AM – 4:43 PM
Cloud cover
51%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
2.46 kWh/m²
Travel score
4.2
out of 10

Mersin is city in Turkey.

Air quality
High
PM10 84.3 µg/m³ · 2018
Density
34/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 14°C through the month.

A typical January day in Mersin reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11411
21411
31411
41411
51411
61411
71411
81411
91410
101410
111410
121410
131410
141410
151410
161410
171410
181410
191410
201410
211410
221410
231410
241410
251410
261410
271410
281410
291410
301410
311410

How January really feels in Mersin

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mersin weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 10°999.69.84.2
Feb15° / 10°627.910.64.6
Mar17° / 12°476.711.76.1
Apr20° / 15°295.312.97.2
May24° / 19°213.813.98.4
Jun27° / 23°51.414.58.5
Jul29° / 26°20.414.37.3
Aug30° / 26°30.813.46.6
Sep29° / 24°112.412.27.4
Oct26° / 21°303.8118.2
Nov20° / 16°705.5107.4
Dec16° / 12°1269.49.55.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45446
55545
65545
75644
85743
95743
105743
115842
125941
136040
146040
156139
166139
176040
186040
196040
206040
215941
225941
235941
245941
255941
265941
275941
285941
295941
306040
315941

Chance of precipitation in January

Any precipitation

Mersin gets around 99 mm of rain over 9.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
333
433
533
632
731
831
930
1029
1128
1228
1327
1426
1526
1626
1726
1826
1927
2027
2128
2228
2329
2430
2530
2630
2731
2831
2931
3031
3131

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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
2991
3991
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 January

Winds average 13 km/h in January.

Across January, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 6:59 AM to 6:51 AM, and sunset from 4:30 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.56:594:30
29.56:594:31
39.56:594:32
49.56:594:32
59.67:004:33
69.67:004:34
79.67:004:35
89.67:004:36
99.67:004:36
109.67:004:37
119.67:004:38
129.76:594:39
139.76:594:40
149.76:594:41
159.76:594:42
169.76:594:43
179.86:584:44
189.86:584:45
199.86:584:46
209.86:574:47
219.86:574:48
229.96:574:49
239.96:564:50
249.96:564:51
259.96:554:52
2610.06:554:53
2710.06:544:54
2810.06:534:55
2910.16:534:56
3010.16:524:57
3110.16:514:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.46 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 7.26 kWh/m² in June across the year — January's 2.46 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.2Moderate
32.2Moderate
42.2Moderate
52.2Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Mersin

In seasonPeak

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

Mersin'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 January a good time to visit Mersin?

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

4.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Mersin for sightseeing.

What to pack for Mersin in January

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

In January, Mersin sees daytime highs around 14°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Mersin in January

The nearest coast averages about 18°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) 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 Mersin in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mersin peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJun 23UV 9Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr7Very high
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Mersin in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Mersin 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 Mersin?

Mersin sits at 36.8°N, 34.6°E, 10 m above sea level, in Turkey. The nearest listed city is Tarsus, 25 km away.

Ereğliİmamoğlu

Topography around Mersin

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

Within 3 km, the terrain around Mersin has only modest variations in elevation — a maximum elevation change of 69 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,068 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,484 m.

The land around Mersin is covered by artificial surfaces (70%) and water (22%) within 3 km, water (37%) and trees (25%) within 16 km, and grassland (27%), trees (25%) and water (25%) within 80 km.

3 km
69 m
16 km
1,068 m
80 km
3,484 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Tarsus 25 km · Erdemli 37 km · Kireçocağı 59 km · Adana 64 km · Silifke 79 km · Taşucu 87 km · Ereğli 94 km · İmamoğlu 103 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 Mersin (36.812°, 34.6389°, elevation 10 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).