Skip to content
wherewarm

Greece

Skiathos weather in August

Is it warm? Yes. August in Skiathos is hot: afternoons average 30°C and nights 23°C. Most days (80%) peak between 28°C and 32°C.

Hot · average high

30°C

25°C or more on almost every day.

  • Average low23°overnight
  • Sea27°average, 2022–2025
  • Rainy days331 mm in the month
  • SkyMostly clear12% cloud · 89% clear days

How warm it really gets

Every August afternoon from 2011–2025: 465 days. Most (80%) peaked between 28° and 32°.

Number of August days by daily high, 2011–2025.

August, year by year

The average August high in each year. The warmest, 2021, averaged 31°C; the coolest, 2011, 29°C.

Average August high by year: 2011: 29°C, 2012: 30.7°C, 2013: 30°C, 2014: 29.9°C, 2015: 29.9°C, 2016: 29.4°C, 2017: 29.6°C, 2018: 29.5°C, 2019: 29.8°C, 2020: 29°C, 2021: 31.3°C, 2022: 30°C, 2023: 30.6°C, 2024: 30.6°C, 2025: 29.6°C.

Compared with home

Average August highs. Expect rain on about 3 days (31 mm in a typical month).

  • Skiathos30°
  • London24°
  • Manchester20°
  • Dublin20°
  • Cork20°
  • Glasgow19°
  • Belfast19°

Other months

Skiathos all year · Where else is hot in August

Warmer in August, not much further

Flying times are estimates from Dublin; Skiathos is about 3h 45m.

  • Hot in Aug

    32°C average high

    avg high · 23° at night

    25°C+ on almost every day

    Alicante & Costa Blanca

    Spain

    Sea
    27°
    Rain
    2 days
    Sky
    Mostly clear
    From Dublin
    ≈ 2h 30m

  • Hot in Aug

    31°C average high

    avg high · 23° at night

    25°C+ on almost every day

    Valencia

    Spain

    Sea
    28°
    Rain
    3 days
    Sky
    Some cloud
    From Dublin
    ≈ 2h 30m

  • Hot in Aug

    31°C average high

    avg high · 23° at night

    25°C+ on almost every day

    Mallorca

    Balearic Islands, Spain

    Sea
    28°
    Rain
    2 days
    Sky
    Mostly clear
    From Dublin
    ≈ 2h 30m

Air: Copernicus ERA5-Land, 2011–2025, matched to the official averages for Skiathos airport. Sea: Copernicus ERA5, 2022–2025. Rainy days = days with 1 mm of rain or more, as weather stations count them. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology