July in Lisbon is very warm and dry but with comfortable nights. You can expect about 3-4 days to feel humid.
Afternoon high temperatures tend to be between 27 C and 29 C (80-85 F), however, about 7 days this month will reach or exceed 32 C (90 F).
The record high temperature in Lisbon during July is 40.6 C (105.1 F).
Late night and early morning low temperatures tend to range between 17C and 19 C (63-66 F). A few of the cooler mornings can still dip down near 15 C (59 F).
The record low temperature in Lisbon during July is 12.1 C (53.8 F).
Sun and Rain
Lisbon offers lots of sun this month with about 24 sunny, 3 partly sunny, and only 4 mostly cloudy days.
Rain is sparse, occurring on average, only on 2 days this month with rainfalls of 10 mm (0.4 inches) or more occurring only about twice each decade.
Daylight hours start to decrease slowly this month from about 14.8 hours on the 1st to about 14.2 hours by the 31st.
Wind conditions this month are mostly gentle to moderate averaging 12-28 kph (8-18 mph)
Lisbon lies along the Atlantic coast and has several stunning nearby beaches. Ocean temperatures tend to be on the cool side, averaging 18-19 C (65-66 F).
What to Wear in Lisbon During July?
Lightweight and comfortable summer attire like jeans, tees, denim cutoffs work well in Lisbon during this month.
A few nights and early mornings can still be a bit chilly so also bring along a light sweater or windbreaker.
Don’t forget sunglasses and sunscreen, as well as a good pair of walking shoes.
Things to Do in Lisbon in July
With several sunny days to enjoy in July, this would be an excellent time to consider taking a pay-what-you-wish Lisbon walking tour.
If you're looking for family-friendly fun, consider taking the kids to the Lisbon Zoo. Alternatively, if your children are more interested in marine animals, the Oceanarium is another excellent location to visit in the summer.
Since the weather will be clear on most days, this is also a great time to visit the Pilar7 Bridge Experience. There's an observation deck at the top which provides the best views in the city!
For even more ideas, make sure to take a look at our post covering things to do in Lisbon.