Porto Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Porto’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Portugal.
Monthly Temperature Averages
In Porto, seasonal changes bring about a moderate variation in temperatures. On average, maximum daytime temperatures range from a comfortable 25°C in August to a moderate 14°C in January. Nighttime temperatures can drop, with averages reaching 8°C in January.
The chart below illustrates the average maximum day and minimum night temperatures in Porto by month:
The lowest temperatures typically occur between 4 AM and 6 AM, while the peak temperatures are generally observed around 3 PM, coinciding with the sun’s strongest heating effect. August, the city’s warmest month, enjoys 295 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, sees about 142 mm of rainfall spread over roughly 18 days. It records 122 hours of sunshine of sunshine.
Annual Temperatures in Portugal Compared
The map below shows the annual temperature across Portugal. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Porto Temperatures Compared World Wide
Porto’s average annual maximum temperature is 19°C. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, has an average annual temperature of 20°C, known for its sunny summers and comfortable winters.
In Toronto, Canada, the average annual temperature is 13°C, with snowy winters and warm summers.
In Seoul, South Korea, the average annual temperature is 18°C, featuring distinct seasons.
Perth, Australia, experiences a Mediterranean climate, with a pleasant average temperature of 25°C.
How does the temperature feel?
Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.
In Porto, during the coolest month, January, you will experience 81% humidity, which is considered very high. This is accompanied by an average maximum temperature of 14°C. In the warmest month, August, the humidity is 73% combined with an average maximum temperature of 25°C, which creates a high-feel temperature. Explore our detailed page on humidity levels for further details.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Effects of Temperature on Weather and Climate
Temperature variations influence precipitation patterns in Amsterdam:
Rainfall: Warm air holds more moisture, leading to heavier rain during warmer months. However, precipitation is generally moderate year-round.
Snow: Occasional snowfall occurs in winter, though it rarely lasts very long.
For more detailed information about Porto’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Porto climate page.
Current temperature in Porto
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overcast and rain
11 m/s
broken clouds and thunder
