Porto, Portugal Weather
Porto hourly forecast: next 24 hours
Today's high of 75°F (24°C) is right in line with the typical August high of 76°F (25°C).
Current conditions in detail
Porto weather tomorrow (Friday, August 7)
Tomorrow in Porto looks sunny, with a high of 76° and an overnight low of 64°. Rain is unlikely (7% chance). Winds top out near 10 mph, and the UV index reaches 8 (very high).
Porto 14-day forecast
About the weather in Porto
Weather in Porto is shaped by its oceanic climate - expect mild temperatures year-round with regular rainfall. July afternoons typically reach 76°F (24°C), while January highs hover near 56°F (14°C). Annual precipitation averages 52.1 inches (1323 mm) over about 116 rainy days.
Porto weather: quick facts
- Hottest month: July - highs near 76°F (24°C)
- Coldest month: January - highs near 56°F (14°C)
- Record high: 99°F (37°C) · Record low: 32°F (0°C) (2015–2024)
- Wettest month: October (13 rainy days) · Sunniest: July (13.4 h sun/day)
- Climate type: oceanic - mild temperatures year-round with regular rainfall
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 76°F (24°C) and overnight lows stay near 62°F (17°C). The coolest month is January, with typical highs of 56°F (14°C) and lows around 45°F (7°C). Based on 2015–2024 weather data, temperatures have reached as high as 99°F (37°C) and dropped as low as 32°F (0°C).
Rain, sun and snow
October is usually the wettest month. It brings about 7.2 inches (183 mm) of rain over 13 days, while July is the driest. July brings the most sunshine, averaging 13.4 hours of sun a day.
Season by season
Spring (March through May)
Spring in Porto is mild, with daytime highs averaging 64°F (18°C) and nights around 51°F (11°C); expect showers on roughly 35 days across the season.
Summer (June through August)
Summer in Porto is mild and warm, with daytime highs averaging 75°F (24°C) and nights around 61°F (16°C); rain falls on about 14 days over the three months.
Fall (September through November)
Fall in Porto is mild and warm, with daytime highs averaging 68°F (20°C) and nights around 56°F (13°C); expect showers on roughly 32 days across the season.
Winter (December through February)
Winter in Porto is mild, with daytime highs averaging 58°F (14°C) and nights around 46°F (8°C); expect showers on roughly 35 days across the season.
Average temperatures in Porto by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 56° | 45° | 12 | 6.4 in | 6.6 h/day | 79% |
| February | 58° | 46° | 10 | 4.7 in | 7.9 h/day | 78% |
| March | 60° | 47° | 13 | 5.8 in | 9.0 h/day | 77% |
| April | 64° | 51° | 12 | 5.3 in | 10.7 h/day | 78% |
| May | 68° | 55° | 9 | 3.3 in | 11.8 h/day | 77% |
| June | 71° | 59° | 8 | 2.0 in | 13.0 h/day | 81% |
| July | 76° | 62° | 3 | 0.5 in | 13.4 h/day | 78% |
| August | 76° | 62° | 3 | 0.5 in | 12.1 h/day | 77% |
| September | 74° | 60° | 6 | 2.7 in | 10.8 h/day | 77% |
| October | 69° | 57° | 13 | 7.2 in | 8.1 h/day | 80% |
| November | 62° | 51° | 14 | 6.6 in | 6.8 h/day | 82% |
| December | 58° | 48° | 14 | 7.1 in | 6.4 h/day | 81% |