Warm in May
24°C average high
avg high · 15° at night
25°C+ on 4 in 10 days
Portugal
Algarve (Faro) weather in May
Is it warm? Mostly. May in Algarve (Faro) is mild: afternoons average 23°C and nights 16°C. Most days (80%) peak between 19°C and 28°C.
Mild · average high
23°C
25°C or more on about three in ten days; 20°C or more on about eight in ten days.
- Average low16°overnight
- Sea17°average, 2023–2025
- Rainy days329 mm in the month
- SkySome cloud34% cloud · 51% clear days
How warm it really gets
Every May afternoon from 2011–2025: 465 days. Most (80%) peaked between 19° and 28°.
May, year by year
The average May high in each year. The warmest, 2019, averaged 25°C; the coolest, 2016, 20°C.
Compared with home
Average May highs. Expect rain on about 3 days (29 mm in a typical month).
- Algarve (Faro)23°
- London17°
- Manchester16°
- Cork15°
- Dublin15°
- Glasgow15°
- Belfast14°
Warmer in May, not much further
Flying times are estimates from Dublin; Algarve (Faro) is about 2h 45m.
Hot in May
28°C average high
avg high · 15° at night
25°C+ on 7 in 10 days
Warm in May
24°C average high
avg high · 16° 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