Climate in Porto, Portugal

Porto, Portugal has a mediterranean climate. The annual average temperature is about 16.2°C, with around 2532 hours of sunshine; the national rainfall baseline is roughly 751 mm across 85 rainy days a year. The warmest month is Jul (highs near 27.2°C) and the coldest is Jan (lows near 5.1°C). These are deterministic planning estimates, not a forecast or measured station data. Temperature and sunshine follow the city's latitude; rainfall and the climate zone come from a country-level baseline that every city in the country shares (refined by region in the United States, Canada and Australia), so they do not show local differences. Check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Porto is classified as Mediterranean. The classification combines the city’s own temperature range, which follows its latitude, with a rainfall pattern taken at country level for Portugal — so cities in the same country usually share a zone.

The rainfall baseline for Portugal is about 751 mm a year over roughly 85 rainy days, with the wettest month Dec and the driest Jul. This figure is not specific to Porto: every city in Portugal carries the same baseline, so it will not show the difference between, say, a dry inland city and a wet coastal one. Use an official meteorological service for local rainfall.

Porto sees an estimated 2532 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Porto are Jul, Jun, Aug. Conditions vary year to year — verify with a current forecast before booking.

Porto has a climate comfort score of 88/100, a very comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Lisbon — Mediterranean, comfort 95/100
• Climate in Barcelona — Mediterranean, comfort 88/100
• Climate in Madrid — Mediterranean, comfort 94/100