AI-generatedGemlik at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 32°
- Warmest sea
- Aug · 24.2°
- Sunshine a year
- 2,060 h
- Rain a year
- 775 mm
- Climate
- Mediterranean
- Time zone
- UTC+3
- Elevation
- 5 m
Climate in Gemlik
Gemlik has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 32 °C, while January is the coolest at 11 °C. With around 2,060 hours of sunshine a year, Gemlik is moderately sunny; July is the sunniest month with 9.8 hours a day.
Holiday weather through the year
Best time to visit Gemlik
The best time to visit Gemlik is from June to September. For a beach holiday – sea from 21 °C, warm and mostly dry – go from July to September. For sightseeing, day trips and hiking, conditions are most comfortable from March to May and from September to November. Rain is frequent from December to February; the wettest month is December with 104 mm.
Gemlik through the seasons
How the weather changes over the seasons, with averages for each.
Gemlik in spring
Mar – May
Poor
- 15–25 °C by day
- Sea 12 °C
- 5.4 h of sun a day
- 30 rainy days in all
Gemlik in summer
Jun – Aug
Excellent
- 29–32 °C by day
- Sea 23 °C
- 9.2 h of sun a day
- 14 rainy days in all
Gemlik in autumn
Sep – Nov
Fair
- 17–28 °C by day
- Sea 19 °C
- 5.1 h of sun a day
- 26 rainy days in all
Gemlik in winter
Dec – Feb
Poor
- 11–13 °C by day
- Sea 10 °C
- 2.7 h of sun a day
- 39 rainy days in all
Which month for what?
Beach & swimming
Jul – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar – May, Sep – Nov
15–28 °C and not too much rain
Rainy months
Dec – Feb
Rainy season or more than 12 rainy days
Snow
Jan – Feb
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Gemlik for you.
Your best months: July – September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: June – September
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 14°
- Midday, 13:00: about 22°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 18°
- Night, 23:00: about 16°
07:1318:25
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 06:56–07:50 · evening 17:48–18:42
- Blue hour
- Morning 06:45–06:56 · evening 18:42–18:53
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.
October in Gemlik compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 25° at the start of the month to 20° at the end. The sea cools from 21° to 17°. The days get 1.3 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 25° | 20° |
| Night-time low | 14° | 10° |
| Sea | 21° | 17° |
| Daylight | 11.8 h | 10.6 h |
What is the weather like in Gemlik in October?
In October, Gemlik is warm: daytime highs average 23 °C, and nights cool down to about 12 °C. The sea averages 19.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 78 mm in total. All in all, October is a so-so month for a holiday in Gemlik.
More details for October
- Daylight
- 11 h 12 min07:13 – 18:25
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3offset from UTC
How the score comes together
- Temperatureweight 35 %60 %
- Seaweight 25 %30 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 20 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Gemlik
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Gemlik: score 96 against 47. In August, days are 9 °C warmer than in October. The sea is 5 °C warmer in August. August has 6 fewer rainy days. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 47 | 96better |
| Daytime high | 23° | 32° |
| Night-time low | 12° | 20° |
| Sea | 19.1° | 24.2° |
| Sunshine | 4.7 h | 9.0 hbetter |
| Rainy days | 9 | 3better |
| Rainfall | 78 mm | 25 mmbetter |
| Muggy days | 1better | 17 |
Based on the climate averages 1996–2025.
Gemlik month by month
The typical weather for every month at a glance.
7January11° · Sea 9° · 2.6 h
In January, Gemlik is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sea averages 9.4 °C – swimming is only for the hardy. The sun is scarce, with only about 2.6 hours a day. Rain is frequent, with about 13 rainy days and 98 mm in total. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Gemlik.
Gemlik in January8February12° · Sea 8° · 3.0 h
In February, Gemlik is cool: daytime highs average 12 °C, and nights cool down to about 4 °C. The sea averages 8.4 °C – swimming is only for the hardy. The sun is scarce, with only about 3.0 hours a day. Rain is frequent, with about 12 rainy days and 85 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Gemlik.
Gemlik in February12March15° · Sea 9° · 4.0 h
In March, Gemlik is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 9.1 °C – swimming is only for the hardy. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 85 mm in total. All in all, March is not an ideal month for a holiday in Gemlik.
Gemlik in March23April20° · Sea 12° · 5.4 h
In April, Gemlik is mild: daytime highs average 20 °C, and nights cool down to about 9 °C. The sea averages 11.5 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 63 mm in total. All in all, April is not an ideal month for a holiday in Gemlik.
Gemlik in April61May25° · Sea 16° · 6.9 h
In May, Gemlik is warm: daytime highs average 25 °C, and nights cool down to about 13 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun shines for around 6.9 hours a day. Rain falls on about 8 days, adding up to 48 mm. All in all, May is a good month for a holiday in Gemlik.
Gemlik in May85June29° · Sea 21° · 8.9 h
In June, Gemlik is hot: daytime highs average 29 °C, and nights cool down to about 17 °C. The sea averages 20.8 °C – refreshing for a swim. The sun shines for around 8.9 hours a day. Rain falls on about 6 days, adding up to 38 mm. On about 11 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Gemlik.
Gemlik in June95July32° · Sea 24° · 9.8 h
In July, Gemlik is hot: daytime highs average 32 °C, and even at night it stays warm at around 20 °C. The sea averages 23.5 °C – pleasant for swimming. With around 9.8 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 21 mm in total. On about 22 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 Gemlik.
Gemlik in July96August32° · Sea 24° · 9.0 h
In August, Gemlik is hot: daytime highs average 32 °C, and even at night it stays warm at around 20 °C. The sea averages 24.2 °C – pleasant for swimming. With around 9.0 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 25 mm in total. On about 24 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 Gemlik.
Gemlik in August84September28° · Sea 23° · 7.0 h
In September, Gemlik is hot: daytime highs average 28 °C, and nights cool down to about 16 °C. The sea averages 22.5 °C – refreshing for a swim. The sun shines for around 7.0 hours a day. Rain falls on about 7 days, adding up to 56 mm. On about 9 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Gemlik.
Gemlik in September47October23° · Sea 19° · 4.7 h
In October, Gemlik is warm: daytime highs average 23 °C, and nights cool down to about 12 °C. The sea averages 19.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.7 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 78 mm in total. All in all, October is a so-so month for a holiday in Gemlik.
Gemlik in October15November17° · Sea 15° · 3.7 h
In November, Gemlik is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. The sea averages 15.4 °C – swimming is only for the hardy. The sun is scarce, with only about 3.7 hours a day. Rain is frequent, with about 9 rainy days and 76 mm in total. All in all, November is not an ideal month for a holiday in Gemlik.
Gemlik in November7December13° · Sea 12° · 2.4 h
In December, Gemlik is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. The sea averages 12.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 13 rainy days and 104 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Gemlik.
Gemlik in DecemberClimate in detail
Year & climate tableWarmest in August: 32°
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Gemlik
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°
- muggy month (15+ muggy days)
CoolOctober: nights around 12°. A duvet at night and a jumper for the evening. Muggy on about 1 day (dew point 18 °C or more).
The coolest nights are in January (3°), the warmest in August (20°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 45 days a year, mostly from July to August.
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 | 7 | 11° | 3° | 9.4° | 2.6 h | 13 | 98 |
| FebruaryFeb | 8 | 12° | 4° | 8.4° | 3.0 h | 12 | 85 |
| MarchMar | 12 | 15° | 5° | 9.1° | 4.0 h | 12 | 85 |
| AprilApr | 23 | 20° | 9° | 11.5° | 5.4 h | 10 | 63 |
| MayMay | 61 | 25° | 13° | 16.0° | 6.9 h | 8 | 48 |
| JuneJun | 85 | 29° | 17° | 20.8° | 8.9 h | 6 | 38 |
| JulyJul | 95 | 32° | 20° | 23.5° | 9.8 h | 4 | 21 |
| AugustAug | 96 | 32° | 20° | 24.2° | 9.0 h | 3 | 25 |
| SeptemberSep | 84 | 28° | 16° | 22.5° | 7.0 h | 7 | 56 |
| OctoberOct | 47 | 23° | 12° | 19.1° | 4.7 h | 9 | 78 |
| NovemberNov | 15 | 17° | 8° | 15.4° | 3.7 h | 9 | 76 |
| DecemberDec | 7 | 13° | 5° | 12.0° | 2.4 h | 13 | 104 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
40.43° N, 29.16° E · 5 m · Europe/Istanbul
Sea temperatureUp to 24° in August
Sea temperature in Gemlik
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 18.1 – 20.4 °C
Swimming season: Jun – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Gemlik ranges from 8.4 °C in February to 24.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.
The sea temperature varies from year to year: in August, eight out of ten years were between 23.1 and 25.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 9.4° | 8.0° | 11.0° | cold |
| FebruaryFeb | 8.4° | 6.9° | 9.8° | cold |
| MarchMar | 9.1° | 8.0° | 10.5° | cold |
| AprilApr | 11.5° | 9.9° | 12.6° | cold |
| MayMay | 16.0° | 14.8° | 17.2° | cold |
| JuneJun | 20.8° | 19.7° | 21.7° | refreshing |
| JulyJul | 23.5° | 22.3° | 24.5° | pleasant |
| AugustAug | 24.2° | 23.1° | 25.1° | pleasant |
| SeptemberSep | 22.5° | 21.4° | 23.4° | refreshing |
| OctoberOct | 19.1° | 18.1° | 20.4° | fresh |
| NovemberNov | 15.4° | 14.1° | 16.9° | cold |
| DecemberDec | 12.0° | 10.8° | 13.4° | cold |
Sunshine2,060 hours a year
Sunshine hours in Gemlik
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 4.7 of 11.2 hours of daylight in Gemlik, 42 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain775 mm a year, most in December
Rain in Gemlik: 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, Gemlik has about 9 rainy days with 78 mm of rain in total.
UV indexUp to 10 in June
UV index in Gemlik
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · 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 35 min
- Fair skin
- about 40 min
- Light brown skin
- about 60 min
- Olive skin
- about 75 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind & cloudsWindiest in August: 19 km/h
Wind and clouds in Gemlik
How breezy and how cloudy Gemlik 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 Gemlik typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.
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 48 % of the sky over Gemlik: variable cloud, with about 4.7 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 & humidity71 days of 30° or more a year
Heat and humidity in Gemlik
How often the day gets hot in Gemlik (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, Gemlik has about 1 hot day, with an average daytime high of 23 °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
SnowChance of snow up to 38% in January
Snow in Gemlik
Snow is possible in Gemlik, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Gemlik.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Gemlik
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Gemlik 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.
Gemlik has its best school-holiday weather during the summer holidays (score 96) and its weakest during the Christmas holidays (score 7).
- 20
Easter holidays
Mar – Apr
Poor
- 18 °C by day
- Sea 11 °C
- 5.0 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 66
May half-term
May – Jun
Good
- 26 °C by day
- Sea 17 °C
- 7.3 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 96
Summer holidays
Jul – Aug
ExcellentBest holidays
- 32 °C by day
- Sea 24 °C
- 9.3 h of sun a day
- 4 rainy days a month
Good for: Beach & swimming
- 47
October half-term
Oct
Fair
- 23 °C by day
- Sea 19 °C
- 4.7 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 7
Christmas holidays
Dec – Jan
Poor
- 12 °C by day
- Sea 11 °C
- 2.5 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 35 min
- Distance
- 2,570 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.
Good to know: Turkey
- Currency
- Turkish Lira (TRY)
- Language
- Turkish
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +90
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Gemlik compared
Put Gemlik side by side with another destination.
Gemlik vs Mudanya
In October the holiday weather in Gemlik and Mudanya is about equally good (score 47 vs 49). During the day it is about as warm in Mudanya as in Gemlik. The sea is about equally warm.
| in October | Gemlik | Mudanya |
|---|---|---|
| Holiday weather score | 47 | 49 |
| Daytime high | 23° | 23° |
| Sea | 19° | 19° |
| Sunshine | 5 h | 5 h |
| Rainy days | 9 | 9 |
| Best time | Jun – Sep | Jun – Sep |
Through the year
Best places in the country
Turkey in October: the best places
In October, Gemlik ranks 23 among the 31 nearest destinations in this country.
- Sardis25°92
- 2Alaşehir25°91
- 3Uşak21°90
- 4Bergama24°89
- 5Afyonkarahisar20°87
- 6Eskişehir20°85
- 7Kütahya20°83
- 8Söğüt19°81
- 23GemlikThis page23°19°47
Places nearby4 places within 48 km
Near Gemlik
Other destinations close by.
Places with a similar climatee.g. Amasra and Şarköy
Places with a climate like Gemlik
Destinations whose weather through the year is closest to Gemlik's – good alternatives.
Frequently asked questions about Gemlik
When is the best time to visit Gemlik?
The best time to visit Gemlik is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Gemlik?
The sea temperature in Gemlik ranges from 8.4 °C in February to 24.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.
Can you swim in Gemlik in October?
Only if you don't mind cold water: in October the sea averages just 19.1 °C. Comfortable swimming is possible from June to September.
What is the warmest month in Gemlik?
August is the warmest month, with average highs of 32 °C and nights around 20 °C. January is the coolest month at 11 °C.
When does it rain most in Gemlik?
Rain is frequent from December to February; the wettest month is December with 104 mm. The driest month is July with 21 mm.
How many hours of sunshine does Gemlik get?
Gemlik gets around 2,060 hours of sunshine a year. The sunniest month is July with 9.8 hours a day; in December there are 2.4 hours a day.
What time zone is Gemlik in?
Gemlik is on UTC+3 all year.
How long is the flight from London to Gemlik?
A nonstop flight from London to Gemlik takes about 3 h 35 min, for a straight-line distance of about 2,570 km.
Which school holidays are best for Gemlik?
Gemlik has its best school-holiday weather during the summer holidays (score 96) and its weakest during the Christmas holidays (score 7). Holiday ratings (0–100): Easter holidays 20, May half-term 66, summer holidays 96, October half-term 47, Christmas holidays 7.