Mersin weather in October

In October, Mersin sees average daytime highs of 26°C and overnight lows near 21°C, with 30 mm of rain across 3.8 wet days and about 11 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 70% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Mersin's 5th-clearest and 10th-windiest month. For the whole year in context, see Mersin's year-round climate.

Daytime high
26°
5th warmest
Overnight low
21°
8th coldest
Rainfall
30 mm
3.8 wet days
Daylight
11 hours
5:55 AM – 4:58 PM
Cloud cover
28%
5th clearest
Wind
9 km/h
10th windiest
Solar energy
4.12 kWh/m²
Travel score
8.2
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical October day in Mersin reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, October runs about 3°C cooler than September and about 6°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12823
22723
32723
42722
52722
62722
72722
82722
92722
102722
112722
122722
132722
142621
152621
162621
172621
182621
192621
202621
212520
222520
232520
242520
252520
262420
272419
282419
292419
302319
312319

How October really feels in Mersin

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2928
3928
4919
59010
68911
78911
88812
98812
108713
118614
128614
138515
148515
158416
168317
178317
188218
198218
208218
218218
228119
238119
248119
258020
268020
277921
287921
297921
307822
317822

Chance of precipitation in October

Any precipitation

Mersin gets around 30 mm of rain over 3.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
611
711
811
911
1011
1111
1211
1311
1411
1511
1612
1712
1812
1912
2013
2113
2213
2314
2414
2514
2614
2715
2815
2915
3015
3115

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11216293310
2131729329
3131830318
4142031296
5142131285
6152232265
7152432254
8162532233
9172633222
10172733212
11182933191
12183033181
13193133161
14203232151
15213332140
16223431130
17233530110
18253629100
1926362890
2028372790
2130372580
2232372470
2335372260
2437372050
2540371850
2642371740
2745371530
2848361330
2951351220
3053351020
315634910

Wind in October

Winds average 9 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 5:42 AM to 6:10 AM, and sunset from 5:19 PM to 4:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:425:19
211.65:425:18
311.55:435:16
411.55:445:15
511.55:455:13
611.45:465:12
711.45:475:10
811.45:485:09
911.35:495:07
1011.35:505:06
1111.25:515:05
1211.25:515:03
1311.25:525:02
1411.15:535:00
1511.15:544:59
1611.05:554:58
1711.05:564:56
1811.05:574:55
1910.95:584:54
2010.95:594:52
2110.96:004:51
2210.86:014:50
2310.86:024:49
2410.76:034:48
2510.76:044:46
2610.76:054:45
2710.66:064:44
2810.66:074:43
2910.66:084:42
3010.56:094:41
3110.56:104:40

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.12 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 — October's 4.12 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in October

Hazard calendar for Mersin

In seasonPeak

None of Mersin's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 October a good time to visit Mersin?

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

8.2
Sightseeing
3rd-best month of the year
7.7
Beach & pool
5th-best month of the year

October is one of the better times to visit Mersin for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mersin in October

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

In October, Mersin sees daytime highs around 26°C and nights near 21°C. Worth packing: light clothes. About 4 days see rain.

light clothes

Sea temperature near Mersin in October

The nearest coast averages about 26°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).