AI-generatedMersin at a glance
- Best time
- Apr – Jun, Sep – Nov
- Warmest month
- Aug · 30°
- Warmest sea
- Aug · 29.1°
- Sunshine a year
- 2,740 h
- Rain a year
- 506 mm
- Climate
- Mediterranean
- Time zone
- UTC+3
- Elevation
- 10 m
Climate in Mersin
Mersin has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 30 °C, while January is the coolest at 12 °C. With around 2,740 hours of sunshine a year, Mersin is sunny; July is the sunniest month with 10.1 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – June, September – November
Good forBeach & swimmingSightseeing & walks
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 24°
- Afternoon, 16:00: about 24°
- Evening, 20:00: about 21°
- Night, 23:00: about 19°
06:4818:06
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:32–07:23 · evening 17:31–18:22
- Blue hour
- Morning 06:22–06:32 · evening 18:22–18:33
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Mersin in October?
In October, Mersin is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 26.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 24 mm in total. All in all, October is an excellent month for a holiday in Mersin.
More details for October
- Daylight
- 11 h 19 min06:48 – 18:06
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 28 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+3Europe/Istanbul
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
Sea temperature in Mersin
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 25.4 – 26.7 °C
Swimming season: May – Dec
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Mersin ranges from 17.2 °C in February to 29.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to December.
From September to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 28.5 and 29.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 18.3° | 17.6° | 19.1° | fresh |
| FebruaryFeb | 17.2° | 16.6° | 17.9° | fresh |
| MarchMar | 17.2° | 16.5° | 18.0° | fresh |
| AprilApr | 18.5° | 17.8° | 19.1° | fresh |
| MayMay | 21.7° | 21.0° | 22.7° | refreshing |
| JuneJun | 25.3° | 24.5° | 25.9° | pleasant |
| JulyJul | 28.1° | 27.4° | 28.6° | warm |
| AugustAug | 29.1° | 28.5° | 29.8° | very warm |
| SeptemberSep | 28.4° | 27.9° | 29.1° | warm |
| OctoberOct | 26.2° | 25.4° | 26.7° | warm |
| NovemberNov | 22.9° | 22.0° | 23.5° | refreshing |
| DecemberDec | 20.2° | 19.3° | 21.1° | refreshing |
Sunshine hours in Mersin
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 7.6 of 11.3 hours of daylight in Mersin, 67 % of the day.
Sunshine hours: measured at the weather station 5 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Mersin
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Mersin: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Mersin has about 4 rainy days with 24 mm of rain in total.
Wind and clouds in Mersin
How breezy and how cloudy Mersin is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Mersin typically peaks at 10 km/h during the day: Beaufort 2, light air.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 28 % of the sky over Mersin: mostly sunny, with about 7.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Mersin
How often the day gets hot in Mersin (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Mersin has about 1 hot days, with an average daytime high of 24 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Mersin
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (10+ muggy days)
PleasantOctober: nights around 17°. Ideal for sleeping, often with the window open. Muggy on about 3 days (dew point 18 °C or more).
The coolest nights are in January (7°), the warmest in August (24°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. Nights fall below 8 °C on average from January to February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 108 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 46 | 12° | 7° | 18.3° | 4.7 h | 9 | 92 |
| FebruaryFeb | 57 | 13° | 7° | 17.2° | 5.6 h | 7 | 62 |
| MarchMar | 72 | 16° | 9° | 17.2° | 6.8 h | 9 | 59 |
| AprilApr | 88 | 19° | 12° | 18.5° | 7.6 h | 7 | 38 |
| MayMay | 94 | 23° | 16° | 21.7° | 8.5 h | 6 | 29 |
| JuneJun | 100 | 27° | 20° | 25.3° | 9.8 h | 3 | 10 |
| JulyJul | 84 | 30° | 23° | 28.1° | 10.1 h | 1 | 6 |
| AugustAug | 81 | 30° | 24° | 29.1° | 9.8 h | 2 | 7 |
| SeptemberSep | 96 | 28° | 21° | 28.4° | 9.1 h | 3 | 11 |
| OctoberOct | 95 | 24° | 17° | 26.2° | 7.6 h | 4 | 24 |
| NovemberNov | 87 | 19° | 13° | 22.9° | 5.8 h | 5 | 56 |
| DecemberDec | 55 | 14° | 9° | 20.2° | 4.4 h | 9 | 112 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
36.81° N, 34.64° E · 10 m · Europe/Istanbul
Best time to visit Mersin
The best time to visit Mersin is from April to June and from September to November. For a beach holiday with the sea above 21 °C, go from May to October. For sightseeing, day trips and hiking, conditions are most comfortable from March to June and from September to November. The wettest month is December with 112 mm of precipitation.
Mersin through the seasons
How the weather changes over the seasons, with averages for each.
Mersin in spring
Mar – May
Excellent
- 16–23 °C by day
- Sea 19 °C
- 8 h of sun a day
- 22 rainy days in all
Mersin in summer
Jun – Aug
Excellent
- 27–30 °C by day
- Sea 28 °C
- 10 h of sun a day
- 6 rainy days in all
Mersin in autumn
Sep – Nov
Excellent
- 19–28 °C by day
- Sea 26 °C
- 8 h of sun a day
- 11 rainy days in all
Mersin in winter
Dec – Feb
Fair
- 12–14 °C by day
- Sea 19 °C
- 5 h of sun a day
- 25 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Mersin for you.
Your best months: May – June, October
Based on the climate averages; tap a month to see its details.
Compare two months in Mersin
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Mersin: score 100 against 95. In June, days are 3 °C warmer than in October. The sea is 1 °C cooler in June. June has one rainy day fewer. The sun shines 2 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 95 | 100better |
| Day high | 24° | 27° |
| Night low | 17° | 20° |
| Sea | 26.2° | 25.3° |
| Sunshine | 7.6 h | 9.8 hbetter |
| Rainy days | 4 | 3better |
| Rainfall | 24 mm | 10 mmbetter |
| Muggy days | 3better | 22 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
May – Oct
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – Jun, Sep – Nov
15–28 °C and not too much rain
Mersin month by month
The typical weather for every month at a glance.
46January12° · Sea 18° · 5 h
In January, Mersin is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain falls on about 9 days, adding up to 92 mm. All in all, January is a so-so month for a holiday in Mersin.
Mersin in January57February13° · Sea 17° · 6 h
In February, Mersin is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 62 mm. All in all, February is a so-so month for a holiday in Mersin.
Mersin in February72March16° · Sea 17° · 7 h
In March, Mersin is cool: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 59 mm. All in all, March is a good month for a holiday in Mersin.
Mersin in March88April19° · Sea 19° · 8 h
In April, Mersin is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 38 mm. All in all, April is an excellent month for a holiday in Mersin.
Mersin in April94May23° · Sea 22° · 9 h
In May, Mersin is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 21.7 °C – refreshing for a swim. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 29 mm. All in all, May is an excellent month for a holiday in Mersin.
Mersin in May100June27° · Sea 25° · 10 h
In June, Mersin is warm: daytime highs average 27 °C, and nights cool down to about 20 °C. The sea averages 25.3 °C – pleasant for swimming. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 10 mm in total. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Mersin.
Mersin in June84July30° · Sea 28° · 10 h
In July, Mersin is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 28.1 °C – lovely and warm for swimming. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is an excellent month for a holiday in Mersin.
Mersin in July81August30° · Sea 29° · 10 h
In August, Mersin is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Mersin.
Mersin in August96September28° · Sea 28° · 9 h
In September, Mersin is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 28.4 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 11 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Mersin.
Mersin in September95October24° · Sea 26° · 8 h
In October, Mersin is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 26.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 24 mm in total. All in all, October is an excellent month for a holiday in Mersin.
Mersin in October87November19° · Sea 23° · 6 h
In November, Mersin is mild: daytime highs average 19 °C, and nights cool down to about 13 °C. The sea averages 22.9 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is rare: about 5 days bring 56 mm in total. All in all, November is an excellent month for a holiday in Mersin.
Mersin in November55December14° · Sea 20° · 4 h
In December, Mersin is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. The sea averages 20.2 °C – refreshing for a swim. Expect around 4 hours of sunshine a day. Rain falls on about 9 days, adding up to 112 mm. All in all, December is a so-so month for a holiday in Mersin.
Mersin in DecemberMersin compared
Put Mersin side by side with another destination.
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Mersin vs. Tarsus
In October Mersin has the better holiday weather (score 95 vs. 89). During the day Tarsus is 2 °C warmer than Mersin.
| in October | Mersin | Tarsus |
|---|---|---|
| Holiday score | 95 | 89 |
| Daytime high | 24° | 26° |
| Sea | 26° | – |
| Sunshine | 8 h | 8 h |
| Rainy days | 4 | 7 |
| Best time | Apr – Jun, Sep – Nov | Apr – Jun, Oct – Nov |
Through the year
Turkey in October: the best places
In October, Mersin ranks 1 among the 31 nearest destinations in this country.
- MersinThis page24°26°95
- 2Alanya24°26°94
- 3Belek26°25°94
- 4Şanlıurfa26°94
- 5Fethiye26°24°94
- 6Side25°25°93
- 7Diyarbakır25°93
- 8Konya20°92
Planning a trip to Mersin
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Mersin in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Mersin has its best school-holiday weather during May half-term (score 95) and its weakest during the Christmas holidays (score 51).
- 83
Easter holidays
Mar – Apr
Excellent
- 18 °C by day
- Sea 18 °C
- 7.4 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 95
May half-term
May – Jun
ExcellentBest holidays
- 24 °C by day
- Sea 22 °C
- 8.8 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 82
Summer holidays
Jul – Aug
Excellent
- 30 °C by day
- Sea 29 °C
- 9.9 h of sun a day
- 2 rainy days a month
Good for: Beach & swimming
- 95
October half-term
Oct
Excellent
- 24 °C by day
- Sea 26 °C
- 7.6 h of sun a day
- 4 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 51
Christmas holidays
Dec – Jan
Fair
- 13 °C by day
- Sea 19 °C
- 4.6 h of sun a day
- 9 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 4 h 20 min
- Distance
- 3,200 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Mersin
When is the best time to visit Mersin?
The best time to visit Mersin is from April to June and from September to November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Mersin?
The sea temperature in Mersin ranges from 17.2 °C in February to 29.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from May to December.
Can you swim in Mersin in October?
Yes. In October the sea averages 26.2 °C – lovely and warm for swimming.
What is the warmest month in Mersin?
August is the warmest month, with average highs of 30 °C and nights around 24 °C. January is the coolest month at 12 °C.
When does it rain most in Mersin?
The wettest month is December with 112 mm of precipitation. The driest month is July with 6 mm.
How many hours of sunshine does Mersin get?
Mersin gets around 2,740 hours of sunshine a year. The sunniest month is July with 10.1 hours a day; in December there are 4.4 hours a day.
What time zone is Mersin in?
Mersin uses the time zone Europe/Istanbul, at UTC+3 all year.
How long is the flight from London to Mersin?
A nonstop flight from London to Mersin takes about 4 h 20 min, for a straight-line distance of about 3,200 km.
Which school holidays are best for Mersin?
Mersin has its best school-holiday weather during May half-term (score 95) and its weakest during the Christmas holidays (score 51). Holiday ratings (0–100): Easter holidays 83, May half-term 95, Summer holidays 82, October half-term 95, Christmas holidays 51.
Near Mersin
Other destinations close by.
Places with a climate like Mersin
Destinations whose weather through the year is closest to Mersin's – good alternatives.