Hot in Jul
28°C average high
avg high · 21° at night
25°C+ on 9 in 10 days
Portugal
Lisbon weather in July
Is it warm? Yes. July in Lisbon is warm: afternoons average 27°C and nights 18°C. Most days (80%) peak between 23°C and 33°C.
Warm · average high
27°C
25°C or more on about seven in ten days; 20°C or more on almost every day.
- Average low18°overnight
- Sea17°average, 2023–2025
- Rainy days03 mm in the month
- SkyMostly clear23% cloud · 67% clear days
How warm it really gets
Every July afternoon from 2011–2025: 465 days. Most (80%) peaked between 23° and 33°.
July, year by year
The average July high in each year. The warmest, 2022, averaged 31°C; the coolest, 2011, 24°C.
Compared with home
Average July highs. Rain is rare: less than one wet day in a typical month.
- Lisbon27°
- London23°
- Manchester20°
- Dublin19°
- Cork19°
- Glasgow18°
- Belfast18°
Warmer in July, not much further
Flying times are estimates from Dublin; Lisbon is about 2h 30m.
Hot in Jul
31°C average high
avg high · 23° at night
25°C+ on almost every day
Hot in Jul
31°C average high
avg high · 22° at night
25°C+ on almost every day
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