Lisbon vs Porto

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Lisbon edges ahead as the better destination in January. Lisbon offers 8 hours of daily sunshine with only 9 rain days, while Porto sees 7 sunshine hours and 12 rain days.

Lisbon is on the cooler side at 14°C, requiring warmer clothing. Porto is cooler at 13°C.

For travelers who prioritize dry weather, Lisbon is the stronger choice in January. Lisbon receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Lisbon reaches an average high of 14°C (57°F) and drops to 9°C (48°F) at night during January. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Porto averages 13°C (55°F) for the high and 6°C (43°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Lisbon receives approximately 69 mm of rainfall across 9 rain days during January. You can expect rain roughly every other day.

Porto sees 154 mm over 12 rain days. That makes Lisbon the drier option by 3 rain days and 85 mm of total precipitation.

Both cities share similar humidity levels at 65%.