Porto weather in January 2027

Q: How warm is it in Porto in January?

Daytime temperatures usually reach 15°C in Porto in January, falling to 8°C at night.

Q: How sunny is it in Porto in January?

There are normally 5 hours of bright sunshine each day in Porto in January - that's 48% of daylight hours.

Q: How warm is the sea around Porto in January?

The average sea temperature around Porto in January is 15°C.

Q: Does it rain in Porto in January?

There are usually 14 days with some rain in Porto in January and the average monthly rainfall is 109mm.

Expect daytime maximum temperatures of 14°C in Porto, Portugal in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 168 mm of rainfall in the month.

14
14°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
5
5°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
168
168 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

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The January weather guide for Portugal (Porto) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)