Porto weather in January
January in Porto: cool, rainy, with clean air — a good time to visit.
#10 of 12 months in Porto · #313 of 604 destinations to visit in January · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Porto climate normals — January
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 114 mm / 4.5 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 6.7 h/day | |
| Daylight | 9.6 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Porto in January — FAQ
- Is January a good time to visit Porto?
- January in Porto: cool, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for Porto on SeasonMap's comfort score (68/100).
- What is the weather like in Porto in January?
- In January, Porto averages a daily high of 13°C and a low of 6.3°C, with about 114 mm of rain over roughly 9 rainy days.
- What is the air quality in Porto in January?
- Porto has a mean US Air Quality Index of about 44 in January.