Climate guide for Portugal

Best Time to Visit
Portugal

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About Portugal

Portugal has travel conditions that vary substantially by region. Portugal spans maritime west of Iberia. Open city pages such as Lisbon and Porto for month-by-month climate scores. Compare individual destinations before choosing dates, then use their monthly data to see how temperature, rainfall, humidity, daylight and sunny days change through the year.

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Travel Tips

Best time & timing
Check monthly climate scores for Portugal before finalizing your trip dates for optimal outdoor comfort.
Getting around
Plan local transport and transfers in Portugal early, especially during peak travel months in Portugal.
Packing advice
Pack layerable clothing suitable for sightseeing exploration in Portugal's climate conditions.

Things to do in Portugal

Portugal. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Portugal?
In Ideal Weather mode, the best months to visit Portugal are April, May, June, July, August, September. April is the single peak month with an Ideal Weather score of 9.5/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Portugal year-round?
Portugal has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 14°C in January to 21°C in August, with Ideal Weather scores between 6.3 and 9.5 out of 10.
Which months should I avoid in Portugal?
The lowest Ideal Weather-scoring months in Portugal are December (6.3/10), October (6.8/10), November (7.0/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Portugal?
October is the wettest month in Portugal, averaging about 92 mm of rainfall. August is the driest, at roughly 1 mm.
Which is the sunniest month in Portugal?
May sees the most sun in Portugal, with about 31 sunny days on average - ideal for outdoor plans.
Is Portugal a good destination for sightseeing and cultural travel?
Portugal is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (April, May, June, July, August, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Portugal calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Portugal: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

Curated in Portugal

Tickets & experiences

Destinations in Portugal