Mild in Apr
21°C average high
avg high · 11° at night
25°C+ on 1 in 10 days
Greece
Kos weather in April
Is it warm? Not really. April in Kos is cool: afternoons average 19°C and nights 14°C. Most days (80%) peak between 16°C and 22°C.
Cool · average high
19°C
25°C or more on almost no days; 20°C or more on about three in ten days.
- Average low14°overnight
- Sea18°average, 2023–2025
- Rainy days432 mm in the month
- SkySome cloud34% cloud · 52% clear days
How warm it really gets
Every April afternoon from 2011–2025: 450 days. Most (80%) peaked between 16° and 22°.
April, year by year
The average April high in each year. The warmest, 2018, averaged 22°C; the coolest, 2015, 17°C.
Compared with home
Average April highs. Expect rain on about 4 days (32 mm in a typical month).
- Kos19°
- London14°
- Manchester13°
- Cork12°
- Dublin12°
- Glasgow11°
- Belfast11°
Warmer in April, not much further
Flying times are estimates from Dublin; Kos is about 4h 15m.
Mild in Apr
20°C average high
avg high · 13° at night
25°C+ on rarely
Mild in Apr
23°C average high
avg high · 12° at night
25°C+ on 4 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