Alanya Sea Water Temperature: Month-by-Month Swimming Season Guide

In short: The swimming season in Alanya generally runs from April to November. Sea water temperature reaches about 24-25°C in June, 27-29°C in July-August, drops to 24-28°C in September, and falls to around 20-22°C in October-November. Late June through mid-September is considered the "golden window" for warm water and relatively smaller crowds.

Alanya Sea Water Temperature by Month

• April-May: About 18-21°C, cool but swimmable for early season.
• June: Average 24-25°C, the month the season officially begins.
• July-August: 27-29°C, the hottest and busiest period of the year.
• September: 24-28°C, still summer-warm but less crowded.
• October-November: 20-22°C, cool but swimmable for late season.

What's the Best Month to Swim?

For warm water and a calmer holiday, late June through mid-September is considered the "golden window." July and August are the hottest months but also the busiest.

Which Months Are Best for Boat Tours?

As long as sea water temperature stays above 20°C, swimming breaks during boat tours are enjoyable. That means you can join sea activities like the Alanya Boat Tour and Alanya Sunset Boat Tour across the wide window from May to November.

How Warm Is the Sea in Winter?

Between December and March, sea water temperature drops to around 16-19°C. During this period, land tours (jeep safari, canyon trips, city tours) are preferred over swimming.

Frequently Asked Questions

Which month has the warmest sea in Alanya?

August is usually the warmest month, with sea temperatures around 28-29°C.

Can you swim in April?

Yes, though the water is around 18-19°C and may feel cool; whether to take a swim break on boat tours is up to you.

Is it worth planning a holiday in October?

Yes, the weather and sea are still mild in October, and crowds thin out noticeably.