Measured, not vibes
Best Time to Visit Lisbon
By measured weather comfort, the top months for Lisbon are May, June, September — and RouteVerdict's editorial pick, which also weighs crowds and prices, is April, May, June, September, October. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at Lisbon (68 m elevation).
Month by month
Lisbon weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 14.9°C / 59°F | 5.8 | 59 | |
| February | 16.9°C / 62°F | 6.2 | 70 | |
| March | 17.9°C / 64°F | 7.7 | 72 | |
| April | 20.1°C / 68°F | 7.3 | 81 | |
| May | 23.4°C / 74°F | 3 | 94 | Best |
| June | 24.9°C / 77°F | 4.5 | 89 | Best |
| July | 29°C / 84°F | 0.3 | 80 | Shoulder |
| August | 28.5°C / 83°F | 0.3 | 83 | Shoulder |
| September | 25.8°C / 78°F | 5.5 | 85 | Best |
| October | 23.2°C / 74°F | 8.7 | 83 | |
| November | 18.6°C / 65°F | 7.8 | 75 | |
| December | 16°C / 61°F | 7.5 | 63 |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
FAQ
Lisbon timing questions
What is the best month to visit Lisbon?
By measured weather comfort (ERA5 2020–2024), the top months are May, June, and September, with May scoring highest. RouteVerdict's editorial pick is April, May, June, September, and October, which also weighs crowds, prices, and events.
What is the hottest month in Lisbon?
July, with an average daily high of 29°C (84°F).
What is the rainiest month in Lisbon?
October, averaging 8.7 days with at least 1 mm of precipitation.
When is shoulder season in Lisbon?
August and July — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.