Hot in May
28°C average high
avg high · 15° at night
25°C+ on 7 in 10 days
Turkey
Dalaman & Marmaris weather in May
Is it warm? Yes. May in Dalaman & Marmaris is warm: afternoons average 26°C and nights 17°C. Most days (80%) peak between 21°C and 31°C.
Warm · average high
26°C
25°C or more on about six in ten days; 20°C or more on nine in ten days or more.
- Average low17°overnight
- Sea20°average, 2023–2025
- Rainy days539 mm in the month
- SkySome cloud35% cloud · 51% clear days
How warm it really gets
Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 21° and 31°.
May, year by year
The average May high in each year. The warmest, 2021, averaged 30°C; the coolest, 2014, 23°C.
Compared with home
Average May highs. Expect rain on about 5 days (39 mm in a typical month).
- Dalaman & Marmaris26°
- London17°
- Manchester16°
- Cork15°
- Dublin15°
- Glasgow15°
- Belfast14°
Warmer in May, not much further
Flying times are estimates from Dublin; Dalaman & Marmaris is about 4h 30m.
Hot in May
30°C average high
avg high · 14° at night
25°C+ on 8 in 10 days
Warm in May
27°C average high
avg high · 18° at night
25°C+ on 7 in 10 days
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology