Climate
Weather in Portugal, month by month
Best time to visit
For mild temperatures and less rain, May, June, September are usually the most comfortable months in Portugal (based on recent 2025 averages near Lisbon).
Average weather by month
Daytime high / overnight low (Celsius and Fahrenheit), with average monthly rainfall, near Lisbon. Tap a month for details.
| Jan | 15.2°C (59°F) / 9.1°C (48°F) · 78 mm |
|---|---|
| Feb | 16.6°C (62°F) / 9.9°C (50°F) · 77 mm |
| Mar | 17.6°C (64°F) / 10.5°C (51°F) · 84 mm |
| Apr | 20.4°C (69°F) / 12.4°C (54°F) · 59 mm |
| May | 23.4°C (74°F) / 14.3°C (58°F) · 18 mm |
| Jun | 25.9°C (79°F) / 16.6°C (62°F) · 22 mm |
| Jul | 29°C (84°F) / 18.1°C (65°F) · 3 mm |
| Aug | 29.1°C (84°F) / 18.5°C (65°F) · 0 mm |
| Sep | 25.8°C (78°F) / 17.2°C (63°F) · 48 mm |
| Oct | 23.9°C (75°F) / 16.4°C (62°F) · 91 mm |
| Nov | 18.5°C (65°F) / 12.3°C (54°F) · 83 mm |
| Dec | 15.9°C (61°F) / 10.5°C (51°F) · 110 mm |
Updated climate normals, 2025
Climate extremes in Portugal
| Warmest month | August · avg high 29.1°C (84°F) |
|---|---|
| Coolest month | January · avg low 9.1°C (48°F) |
| Wettest month | December · ~110 mm |
| Driest month | August · ~0 mm |
Common questions
When is the best time to visit Portugal?
For a balance of comfortable temperatures and lower rainfall, May, June, September tend to be the most pleasant months in Portugal.
What is the hottest month in Portugal?
August is the warmest month in Portugal, with average daytime highs around 29.1°C (84°F).
What is the coldest month in Portugal?
January is the coolest, with average overnight lows near 9.1°C (48°F).
Which month has the most rain in Portugal?
December is typically the wettest month (around 110 mm on average), while August is usually the driest.