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When is the best time to visit Porto?
In general the best time to visit Porto is probably August, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
- In general, it’s pleasant to walk and do outdoor activities during May - October.
- If you want to avoid wet weather, then your choice is October, November, December with the lowest chance of rain.
Average weather in Porto in different months
This is the average weather in Porto for each month based on historic data:
March, April, June, July, August, September usually has good weather. Average maximum temperature reaches +24°C during July.
In January, February, May, October, November, December the weather is average. Expect around 83 rainy days, and the precipitation amounts to approximately 151 mm in November.
Climate in Porto
Here is the detailed breakdown of the climate in Porto for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +22°C | +23°C | +28°C | +30°C | +33°C | +34°C | +38°C | +38°C | +36°C | +32°C | +24°C | +21°C |
| Average Maximum Temperature | |||||||||||
| +13°C | +14°C | +16°C | +17°C | +19°C | +22°C | +24°C | +24°C | +23°C | +20°C | +16°C | +14°C |
| Minimum Temperature | |||||||||||
| -1°C | 0°C | 0°C | +3°C | +5°C | +9°C | +10°C | +10°C | +7°C | +3°C | +1°C | 0°C |
| Avg. water temperature | |||||||||||
| +15°C | +15°C | +15°C | +17°C | +18°C | +19°C | +20°C | +20°C | +20°C | +20°C | +18°C | +17°C |
| Humidity, % | |||||||||||
| 78 | 76 | 74 | 74 | 75 | 76 | 76 | 77 | 77 | 78 | 79 | 79 |
| Rain, mm | |||||||||||
| 128 | 102 | 90 | 103 | 80 | 32 | 14 | 18 | 55 | 145 | 151 | 150 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
| Sunny Days | |||||||||||
| 11 | 10 | 11 | 9 | 10 | 12 | 14 | 14 | 12 | 10 | 9 | 10 |
| Cloud Days | |||||||||||
| 6 | 5 | 6 | 5 | 7 | 9 | 10 | 11 | 8 | 6 | 5 | 5 |
| Rainy Days | |||||||||||
| 14 | 12 | 13 | 15 | 13 | 9 | 6 | 5 | 9 | 14 | 15 | 15 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Porto during the whole year:
The hottest month in Porto is August with average maximum temperature going up to +24°C. The coldest month is January with the lowest temperatures of +7°C.
Water temperature
Here are the water temperatures in Porto during the whole year:
Porto achieves its warmest water temperature in September, where the average sea temperature goes up to +18°C. Coldest water temperature is in February with +14°C in average.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Porto looks throughout the year, in %:
The most humid month in Porto is December with average humidity going up to 79%. The least humid month is March with an average humidity of 74%.
Rain
Amount of rainfall in mm. in Porto during the whole year based on historical data:
The sunniest and driest month is July with approximately 14 sunny days and a total precipitation of around 14 mm. The rainiest and wettest month is November with approximately 15 rainy days and 151 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Porto:
What is the hottest month in Porto?
The hottest month in Porto is August with average maximum temperature of +24°C.
What is the coldest month in Porto?
The coldest month in Porto is January with minimum temperatures of +7°C.
Is Porto worth visiting in winter?
Winter in Porto could be a good time to visit, as the weather is generally ok.
When does it rain the least in Porto?
if you're looking to visit Porto when it rains the least, you should plan your trip for November, December, October. During this time, rainfall is rare with the driest month being July with only 14 mm of rain.
Other cities in Portugal
Check out the weather for 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.