Weather in Porto in July 2025
Average weather
Average temperature in Porto in July
Going from a maximum of +86°F during the day to a minimum of +52°F during the night, the temperature in July averages around +73°F.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +81°F to +73°F.
Is Porto warm or cold in July?
Porto is typically warm in July.
Maximum temperatures go up compared to the previous month from +72°F to +75°F. The minimum temperature also goes up from +59°F to +63°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the warmest months in Porto, here is the comparison with other months:
Water temperature in Porto in July
Water in Porto in July is Fresh. It varies from +59°F to +67°F, with an average of +63°F. The air temperature averaging +75°F is higher than the water temperature.
In July, water temperatures are average relative to the rest of the year:
Can you swim in Porto in July?
Climate in Porto in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +72°F | +75°F | +75°F | ||||
| Min. temperature | ||||||
| +48°F | +50°F | +50°F | ||||
| Max. temperature | ||||||
| +93°F | +100°F | +100°F | ||||
| Rainfall | ||||||
| 32 mm | 14 mm | 18 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +63°F | +63°F | +64°F | ||||
| Humidity | ||||||
| 76% | 76% | 77% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 12 | 14 | 14 | ||||
| Cloudy days | ||||||
| 9 | 10 | 11 | ||||
| Rainy days | ||||||
| 9 | 6 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +72°F to +75°F during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 32 mm to 14 mm. Humidity levels don’t change as the month goes on, averaging around 76%. The average wind speed doesn’t change much during July, staying around 2 m/s. The good news is there are likely to be more sunny days in July, from 12 to 14.
August brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Porto is gradually increasing during July, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last July in Porto?
Climate Change Over the Years
The climate in Porto in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+63°F) and the highest in 2022 (+67°F). The driest year was 2007 with only 565 mm of rainfall, and the wettest year was 2022 with 1854 mm.
FAQ
Is July a good time to visit Porto?
Can you sunbathe in Porto in July?
Can you swim in Porto in July?
Is Porto rainy in July?
Is it sunny in Porto in July?
Other cities in Portugal
Monthly weather in Porto
Source of the data
For this page, we’ve looked at the typical weather in Porto, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.