Marmaris lies in a deep, almost enclosed bay surrounded by pine-forested hills, where the Aegean meets the Mediterranean. The shelter of the hills makes July and August very hot, and most of the rain falls in winter.
Marmaris climate at a glance
- Hottest month: July (36°C by day)
- Coldest month: January (14°C by day, 8°C at night)
- Swimming season: June to November (sea 22°C or warmer); warmest sea in August at about 28°C
- Wettest month: January (218 mm); yearly total about 960 mm
- Driest months: July – rain is very rare
Marmaris climate table
| Month | Day / night | Sea | Rain mm (days) | Daylight |
|---|---|---|---|---|
| January | 14° / 8° | 19° | 218 (16) | 10.0 h |
| February | 16° / 8° | 18° | 100 (11) | 10.8 h |
| March | 18° / 10° | 18° | 101 (10) | 12.0 h |
| April | 22° / 13° | 18° | 51 (6) | 13.2 h |
| May | 27° / 17° | 20° | 34 (6) | 14.1 h |
| June | 32° / 21° | 23° | 14 (4) | 14.6 h |
| July | 36° / 25° | 26° | 4 (1) | 14.4 h |
| August | 35° / 25° | 28° | 4 (2) | 13.5 h |
| September | 32° / 22° | 27° | 19 (2) | 12.4 h |
| October | 27° / 17° | 25° | 55 (4) | 11.2 h |
| November | 21° / 13° | 22° | 172 (10) | 10.2 h |
| December | 16° / 10° | 20° | 188 (13) | 9.7 h |
Day / night: average daily maximum / minimum air temperature (°C). Sea: average sea surface temperature off the coast. Rain: monthly total; in brackets, days with at least 1 mm of rain.
Best time to visit Marmaris
- Beach holiday: June to October, when the air is warm and the sea is 22°C or warmer.
- Sightseeing and active holidays: April to May – pleasant temperatures and few rainy days.
- Hottest period: June to August – expect frequent days above 35°C.
- Quiet season: December to February – the coolest and wettest time, with fewer visitors and lower prices.
Marmaris is a major sailing and gulet (blue cruise) base; the main sailing season runs from May to October.
Marmaris weather month by month
Marmaris weather in January: 14°C / 8°C
Marmaris averages 14°C during the day and 8°C at night in January. The sea is cool at around 19°C, so most visitors swim in heated indoor pools. This is one of the wetter months, with about 16 rainy days and 218 mm of rain – pack a rain jacket. Pack a warm jacket, a sweater and waterproof shoes. Daylight lasts about 10.0 hours.
Marmaris weather in February: 16°C / 8°C
Marmaris averages 16°C during the day and 8°C at night in February. The sea is cool at around 18°C, so most visitors swim in heated indoor pools. This is one of the wetter months, with about 11 rainy days and 100 mm of rain – pack a rain jacket. Pack a warm jacket, a sweater and waterproof shoes. Daylight lasts about 10.8 hours.
Marmaris weather in March: 18°C / 10°C
Marmaris averages 18°C during the day and 10°C at night in March. The sea is cool at around 18°C, so most visitors swim in heated indoor pools. This is one of the wetter months, with about 10 rainy days and 101 mm of rain – pack a rain jacket. Bring layers: T-shirt weather on sunny afternoons, a sweater or light jacket in the evening. Daylight lasts about 12.0 hours.
Marmaris weather in April: 22°C / 13°C
Marmaris averages 22°C during the day and 13°C at night in April. The sea is cool at around 18°C, so most visitors swim in heated indoor pools. Expect around 6 rainy days (51 mm), mostly short showers. Bring layers: T-shirt weather on sunny afternoons, a sweater or light jacket in the evening. Daylight lasts about 13.2 hours.
Marmaris weather in May: 27°C / 17°C
Marmaris averages 27°C during the day and 17°C at night in May. The sea is refreshing at around 20°C – fine for a quick swim on sunny days. Expect around 6 rainy days (34 mm), mostly short showers. Summer clothes are fine during the day; a light layer is handy for the evening. Daylight lasts about 14.1 hours.
Marmaris weather in June: 32°C / 21°C
Marmaris averages 32°C during the day and 21°C at night in June. At around 23°C, the sea is pleasant for swimming. Expect around 4 rainy days (14 mm), mostly short showers. Heat waves are common: on average 8 days reach 35°C or more, so plan sightseeing for the morning and evening. Light, breathable clothing, a hat and high-factor sun cream are essential. Daylight lasts about 14.6 hours.
Marmaris weather in July: 36°C / 25°C
Marmaris averages 36°C during the day and 25°C at night in July. The sea is very warm at around 26°C – perfect for long swims. Rain is very rare. Heat waves are common: on average 21 days reach 35°C or more, so plan sightseeing for the morning and evening. Light, breathable clothing, a hat and high-factor sun cream are essential. Daylight lasts about 14.4 hours.
Marmaris weather in August: 35°C / 25°C
Marmaris averages 35°C during the day and 25°C at night in August. The sea is very warm at around 28°C – perfect for long swims. There are only about 2 rainy days in the month. Heat waves are common: on average 18 days reach 35°C or more, so plan sightseeing for the morning and evening. Light, breathable clothing, a hat and high-factor sun cream are essential. Daylight lasts about 13.5 hours.
Marmaris weather in September: 32°C / 22°C
Marmaris averages 32°C during the day and 22°C at night in September. The sea is very warm at around 27°C – perfect for long swims. There are only about 2 rainy days in the month. Light, breathable clothing, a hat and high-factor sun cream are essential. Daylight lasts about 12.4 hours.
Marmaris weather in October: 27°C / 17°C
Marmaris averages 27°C during the day and 17°C at night in October. At around 25°C, the sea is pleasant for swimming. Expect around 4 rainy days (55 mm), mostly short showers. Summer clothes are fine during the day; a light layer is handy for the evening. Daylight lasts about 11.2 hours.
Marmaris weather in November: 21°C / 13°C
Marmaris averages 21°C during the day and 13°C at night in November. At around 22°C, the sea is pleasant for swimming. This is one of the wetter months, with about 10 rainy days and 172 mm of rain – pack a rain jacket. Bring layers: T-shirt weather on sunny afternoons, a sweater or light jacket in the evening. Daylight lasts about 10.2 hours.
Marmaris weather in December: 16°C / 10°C
Marmaris averages 16°C during the day and 10°C at night in December. The sea is refreshing at around 20°C – fine for a quick swim on sunny days. This is one of the wetter months, with about 13 rainy days and 188 mm of rain – pack a rain jacket. Bring layers: T-shirt weather on sunny afternoons, a sweater or light jacket in the evening. Daylight lasts about 9.7 hours.
Getting to Marmaris
The nearest airport for Marmaris is Dalaman Airport (DLM). 4 Seasons Transfer offers private airport transfers at a fixed price per vehicle, with air-conditioned cars, flight tracking and meet & greet – whatever the weather.
Frequently asked questions
When is the best time to visit Marmaris?
For a beach holiday, June to October is ideal. For sightseeing and hiking, choose April to May, when it is warm but not hot.
When is the sea warm enough to swim in Marmaris?
The sea is 22°C or warmer from June to November. It is warmest in August, at about 28°C.
What is the hottest month in Marmaris?
July, with an average daytime high of 36°C and nights around 25°C.
What is the weather like in Marmaris in winter?
From December to February days average about 15°C and nights about 9°C. Expect around 40 rainy days over the three months, with plenty of sunny days in between.
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Source: averages for 2015–2024 calculated by 4 Seasons Transfer. Air temperature, rain and daylight: ERA5 reanalysis (Copernicus / ECMWF) via Open-Meteo, licence CC BY 4.0. Sea temperature: NOAA OISST v2.1 monthly means (NOAA PSL). The weather in a given year can differ from these averages.