Climate Insights for Porto

The climate in Porto is temperate. The average annual temperature is 16°C and approximately 1,313 mm of precipitation falls per year. November is the wettest month, receiving around 184 mm of rainfall. Porto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 7°C.The climate in Porto is temperate. The average annual temperature is 60°F and approximately 51.7 in of precipitation falls per year. November is the wettest month, receiving around 7.2 in of rainfall. Porto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 45°F.

Porto sees moderate temperature variation throughout the year, ranging from 7°C to 26°C. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 21°C. January is the coolest month, with minimum temperatures around 7°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.Porto sees moderate temperature variation throughout the year, ranging from 45°F to 79°F. The warmest month is August, when average highs reach 79°F and the mean temperature sits around 71°F. January is the coolest month, with minimum temperatures around 45°F and an average of 50°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between October and November, with a 7°F shift in average temperatures.

Porto is a fairly wet location, receiving approximately 1,313 mm of precipitation annually, which averages out to around 109 mm per month. The wettest month is November, averaging 184 mm of rainfall. October and December also tend to see above-average precipitation. The driest month is August, with just 12 mm. That's 172 mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Porto is a fairly wet location, receiving approximately 51.7 in of precipitation annually, which averages out to around 4.3 in per month. The wettest month is November, averaging 7.2 in of rainfall. October and December also tend to see above-average precipitation. The driest month is August, with just 0.5 in. That's 6.8 in less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Porto is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Porto is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Porto is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 45 mm per month. By contrast, January can be quite cold with temperatures dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Porto is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 67°F with modest rainfall averaging 1.8 in per month. By contrast, January can be quite cold with temperatures dropping to 45°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Porto based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Porto based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.