Weather Comparison
Porto vs Lisbon
Side-by-side weather comparison for July
July Weather: Porto vs Lisbon
| Metric | Porto | Lisbon | Better |
|---|---|---|---|
| Average HighHigher is warmer | 25°C (77°F) | 26°C (79°F)▲ | Lisbon |
| Average LowHigher is milder | 17°C (63°F) | 18°C (64°F)▲ | Lisbon |
| Rain DaysFewer is drier | 4 days | 1 days▲ | Lisbon |
| PrecipitationLess is drier | 22 mm | 2 mm▲ | Lisbon |
| Sunshine HoursMore is sunnier | 13h/day | 13h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 18 km/h▲ | 25 km/h | Porto |
Which City is Better in July?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Lisbon edges ahead as the better destination in July. Lisbon offers 13 hours of daily sunshine with only 1 rain days, while Porto sees 13 sunshine hours and 4 rain days.
Porto sits in the comfortable travel range at 25°C. Lisbon is also comfortable at 26°C.
For travelers who prioritize dry weather, Lisbon is the stronger choice in July.
Temperature Comparison in July
Porto reaches an average high of 25°C (77°F) and drops to 17°C (63°F) at night during July. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Lisbon averages 26°C (79°F) for the high and 18°C (64°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in July.
Rainfall Comparison in July
Porto receives approximately 22 mm of rainfall across 4 rain days during July. Rain is occasional, so a light rain jacket should suffice.
Lisbon sees 2 mm over 1 rain days. That makes Lisbon the drier option by 3 rain days and 20 mm of total precipitation.
Both cities share similar humidity levels at 65%.
What to Pack: Porto vs Lisbon
Packing for Porto in July
Highs of 25°C, lows of 17°C, 4 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
Packing for Lisbon in July
Highs of 26°C, lows of 18°C, 1 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
Pack for both: light layers, a light jacket for evenings, sunscreen. These items are useful in either destination during July.
Year-Round Comparison: Porto vs Lisbon
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.July is highlighted for quick reference.
| Month | Porto | Lisbon | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 13°C | 12d | 14°C | 9d |
| Feb | 14°C | 10d | 14°C | 8d |
| Mar | 16°C | 10d | 17°C | 8d |
| Apr | 17°C | 12d | 18°C | 8d |
| May | 20°C | 11d | 21°C | 6d |
| Jun | 23°C | 6d | 24°C | 2d |
| Jul | 25°C | 4d | 26°C | 1d |
| Aug | 26°C | 4d | 27°C | 1d |
| Sep | 24°C | 6d | 25°C | 4d |
| Oct | 20°C | 13d | 21°C | 9d |
| Nov | 16°C | 13d | 17°C | 10d |
| Dec | 14°C | 13d | 14°C | 9d |
Porto Weather in July
Full forecast, packing tips, and activities
Lisbon Weather in July
Full forecast, packing tips, and activities