Weather in Marmaris in October

How October compares

October is the 5th warmest month of the year in Marmaris and ranks 59th of 134 destinations we compare for October - see where else is hot in October. Within Turkey it is 6th of 18 (Turkey in October). Against London's average high of 14.6°C in October, Marmaris is 10.2°C warmer by day and 9.2°C warmer at night.

Daytime and night-time in October

The typical October day in Marmaris peaks at 24.8°C, but that is an average: the warmest 10% of days reach 28.5°C or more. About 51% of days top 25°C and 1 in 26 pass 30°C. Nights average 17.6°C; one night in ten drops to 14.6°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 37.6°C (2020-10-06) and the coldest night 8.9°C (2003-10-29).

Rain in October

Some rain (4-8 rainy days): about 5 days with 1 mm or more, 68 mm in total. Year to year it varies a lot - the wettest October was 2011 with 193 mm, the driest 2016 with 4 mm. Humidity averages 69%.

Sea temperature in October

The sea averages 23.9°C - warm enough to swim (22°c+). Depending on the year it ranges from 22.9°C to 24.8°C. For the warmest sea here, come in August (26.9°C).

Sunshine and daylight

Around 8.0 hours of sunshine a day (estimated from cloud cover), 11.0 hours of daylight: the sun rises about 07:14 and sets about 18:31 local time in mid-October. Average cloud cover is 28%.

Is October a good time to visit Marmaris?

Yes - it is one of the better months: warm days, manageable rain and long sunny days. The best months for Marmaris on our scoring are September, June, May; months averaging 25°C or more: Jun, Jul, Aug, Sep.

Warm afternoons, with a layer for evenings

Pack mainly for warm weather, but not for heat that lasts through the night. Average highs of 24.8°C make light clothes a sensible daytime starting point, while the average night low of 17.6°C makes a jumper or light jacket useful after dark. Days reach 25°C around 51% of the time, so that level of warmth is common rather than assured. The warmest days can reach 28.5°C or more, making shade at midday welcome. At the cooler end, nights can fall to 14.6°C or below, so relying entirely on shorts and summer tops would leave gaps in your packing.

The sea is still warm enough for swimming

The sea is a strong reason to consider October: its average temperature of 23.9°C puts it comfortably in swimming territory. The year-to-year range of 23°C to 25°C also supports choosing Marmaris for a holiday with time in the water, rather than just sitting beside it. Personal tolerance still matters, and getting out may feel cooler when the air is less warm, so keep something dry to put on nearby. With about 8 hours of sunshine within 11 hours of daylight, there is useful time for outdoor plans. Make the warmer part of the day your preferred swimming window.

Allow for rain rather than planning around constant sun

Rain is the main compromise. About 5 days have measurable rain, so a wholly dry stay is not something to count on. Equally, that does not make October a poor choice for an outdoor holiday: the sunshine average still leaves plenty of scope for being outside. Pack a light waterproof and keep weather-dependent plans movable instead of tying everything to a fixed day. Monthly averages cannot tell you how rain will fall during your particular stay, or promise that it will pass quickly. October works best if a wet spell would be an inconvenience rather than spoil the purpose of your trip.