Portugal Lisbon Weather in July — Climate Guide
July in Lisbon is Excellent
July is Excellent for Lisbon.
July is peak summer. Daytime 28°C, nighttime 18°C, occasional 35-40°C heatwaves.
NOS Alive (Algés, early July) is Portugal's biggest music festival — 3 days, 100+ international acts. Combine festival ticket with Lisbon stay for the canonical European summer festival.
Travel score
Lisbon July Weather Stats
Avg High
28°C
Avg Low
18°C
Rainy Days
1
4mm total
Sunshine
11.5h
Daily avg
Humidity
60%
Comfortable
UV Index
9
Very high
Wind
11 km/h
Gusts 24
Sea Temp
19°C
Swimmable
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
Good
Feels-Like Temperature & Wind
Feels like
Daytime
28°C
Nighttime
17°C
Humidity and wind affect how the actual temperature feels.
Wind
11 km/h
Max gust 24 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- NOS Alive music festival
- Beach weather peak
- Driest month
Cons
- Yearly-peak hotel prices + crowds
- Heat waves uncomfortable without AC
- Few rainy days (1 of 31)
July Events & Festivals
- NOS Alive music festival (early July)
- Jazz em Agosto begins late July
- Tourist numbers peak
Lisbon in July — Full Picture
July is peak summer. Daytime 28°C, nighttime 18°C, occasional 35-40°C heatwaves.
NOS Alive (Algés, early July) is Portugal's biggest music festival — 3 days, 100+ international acts. Combine festival ticket with Lisbon stay for the canonical European summer festival.
Heatwaves require AC-equipped hotels. Beach trips to Cascais + Caparica + Setúbal essential — Atlantic ocean still cool but air is hot.
What to Wear & What to Pack
T-shirts + shorts. Light cardigan for evenings. Sunglasses + sunscreen + sun hat. AC essential.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
19.3°C
12°C
8.7/mo
Summer (Jun·Jul·Aug)
Current27°C
17.7°C
1.7/mo
Autumn (Sep·Oct·Nov)
21.7°C
14°C
8/mo
Winter (Dec·Jan·Feb)
14.3°C
8.3°C
12.3/mo
Lisbon Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 14° | 8° | 14d·110mm | 4.6h | 76% | 2 | Quiet | Low season | |
| 15° | 8° | 11d·80mm | 5.9h | 73% | 3 | Quiet | Low season | |
| 17° | 10° | 10d·60mm | 6.9h | 70% | 4 | Moderate | Shoulder | |
| April (Best) | 19° | 12° | 9d·60mm | 8.1h | 67% | 5 | Busy | Peak |
| May (Best) | 22° | 14° | 7d·45mm | 9.6h | 64% | 7 | Busy | Peak |
| June (Best) | 25° | 17° | 3d·16mm | 11h | 64% | 8 | Very busy | Peak |
| July (Best) | 28° | 18° | 1d·4mm | 11.5h | 60% | 9 | Very busy | Peak |
| August (Best) | 28° | 18° | 1d·6mm | 11h | 60% | 9 | Very busy | Peak |
| September (Best) | 26° | 17° | 4d·25mm | 9h | 65% | 7 | Busy | Peak |
| 22° | 14° | 8d·80mm | 6.6h | 71% | 4 | Moderate | Shoulder | |
| 17° | 11° | 12d·130mm | 5h | 78% | 2 | Moderate | Shoulder | |
| 14° | 9° | 12d·110mm | 4.6h | 77% | 2 | Moderate | Peak |
View Other Months
Lisbon July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Lisbon?
Lisbon in July is Excellent. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Lisbon in July?
Lisbon July averages a high of 28°C and a low of 18°C.
Does it rain much in Lisbon in July?
Lisbon July averages 4mm of rainfall over about 1 rainy days.
What should I wear in Lisbon in July?
T-shirts + shorts. Light cardigan for evenings. Sunglasses + sunscreen + sun hat. AC essential.
What time are sunrise and sunset in Lisbon in July?
Lisbon July sunrise is 06:20 and sunset is 21:00, with 14h 40m of daylight.
What's the air quality like in Lisbon in July?
Lisbon July air quality (AQI) averages 36, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Lisbon in July?
In July, Lisbon is great for NOS Alive music festival, Cascais + Caparica beaches, Sintra cooler microclimate.
Is July peak season in Lisbon?
Lisbon July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Lisbon
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.