Weather in Porto in January 2025
- January is usually the coldest month of the year in Porto;
Average weather
Average temperature in Porto in January
The expected average maximum temperature in January is +13°C with a maximum of +17°C and a minimum of +1°C.
The average maximum temperature goes down 31% by the end of the month, compared with the beginning of the month, from +17°C to +12°C.
Is Porto warm or cold in January?
Porto is typically mild in January.
Maximum temperatures go down compared to the previous month from +14°C to +13°C. The minimum temperature also goes down from +8°C to +7°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
January is the coldest month in Porto, here is the comparison with other months:
Water temperature in Porto in January
Water in Porto in January is Cold. It varies from +14°C to +15°C, with an average of +14°C. Note that the air temperature is lower than the water temperature, averaging around +13°C.
The water temperature in January is one of the coldest of the entire year:
Can you swim in Porto in January?
Climate in Porto in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +13°C | +14°C | ||||
| Min. temperature | ||||||
| 0°C | -1°C | 0°C | ||||
| Max. temperature | ||||||
| +21°C | +22°C | +23°C | ||||
| Rainfall | ||||||
| 150 mm | 128 mm | 102 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +15°C | +14°C | +14°C | ||||
| Humidity | ||||||
| 79% | 78% | 76% | ||||
| Air pressure | ||||||
| 1020 HPa | 1021 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 10 | ||||
| Cloudy days | ||||||
| 5 | 6 | 5 | ||||
| Rainy days | ||||||
| 15 | 14 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +14°C in the day, the average maximum temperature lowers to +13°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 150 mm to 128 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during January, staying around 3 m/s. The good news is there are likely to be more sunny days in January, from 10 to 11.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Porto is gradually decreasing during January, going from 6 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in Porto?
Climate Change over Years
The climate in Porto in January has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+17°C) and the highest in 2022 (+20°C). The driest year was 2007 with only 565 mm of rainfall, and the wettest year was 2022 with 1854 mm.
FAQ
Is January a good time to visit Porto?
Can you sunbathe in Porto in January?
Can you swim in Porto in January?
Is Porto rainy in January?
Is it sunny in Porto in January?
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.