Porto vs Lisbon

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.

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

Porto reaches an average high of 13°C (55°F) and drops to 6°C (43°F) at night during January. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Lisbon averages 14°C (57°F) for the high and 9°C (48°F) for the low, with a daily range of 5°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.

Porto receives approximately 154 mm of rainfall across 12 rain days during January. You can expect rain roughly every other day.

Lisbon sees 69 mm over 9 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%.