Climate averages 1991–2020

Weather in Portugal.

ClimaNote covers 12 cities in Portugal, starting with Lisbon, Porto and Braga. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 18.5°C in Viseu to 21.2°C in Setúbal, and yearly rainfall from 474 mm in Faro to 1,535 mm in Braga. The hottest city-month is August in Coimbra, with an average high of 28.9°C (tied with August in Setúbal), and the coolest is January in Viseu, at 10.5°C. By single month, the most rain falls in October in Braga, with 210 mm, and the least in July in Faro, with under 1 mm.

August is the warmest month in every city; January is the coolest in 11 cities and February in 1. November is the wettest month in 5 cities, December in 4 and October in 2 (in 1 other city two or more months tie); July is the driest in every city. Of these cities, 1 has a month with under 1 mm of rain; none has a month with an average high below 2.0°C or a month with more than 300 mm of rain.