City break

Lisbon weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

100

Holiday weather in July

Excellent

Best time to visit: May – September

What is the weather like in Lisbon in July?

In July, Lisbon is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 18.2 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, July is an excellent month for a holiday in Lisbon.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score100100100
Day22°24°24°
Night17°18°18°
Sea18°18°19°
Sun10 h11 h10 h
Rain days211

More details for July

Daylight
14 h 38 min06:23 – 21:02
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or more
Wind
25 km/haverage daily peak
Cloud cover
24 %on average
Hot days
0 days30 °C or more
Time zone
UTC+1Europe/Lisbon

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat

Lisbon in July: quick answers

Is Lisbon hot in July?

Warm rather than hot: in July, daytime highs in Lisbon average 24 °C and nights cool to about 18 °C.

Can you swim in Lisbon in July?

Only if you don't mind cold water: in July the sea averages just 18.2 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Lisbon in July?

It hardly ever rains.

Lisbon month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)