Best time to visit · Portugal
Best time to visit Lisbon
Lisbon averages 61 just-right days a year; May, June and September are best. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Lisbon weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 61
- Too cool 206
- Too hot 46
- Too muggy 34
- Too gray 18
When to visit Lisbon
The best time to visit Lisbon for comfortable weather is May, June and September, when 32%, 35% and 32% of days are just right. January, February, March, April, November and December are mostly too cool, with average highs of 57 to 65°F (18°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 57°F (14°C) | 46°F (8°C) | 51% | 0 |
| February | 60°F (16°C) | 46°F (8°C) | 52% | 0 |
| March | 64°F (18°C) | 47°F (8°C) | 50% | 2 |
| April | 65°F (18°C) | 50°F (10°C) | 47% | 3 |
| May | 71°F (22°C) | 54°F (12°C) | 41% | 10 |
| June | 75°F (24°C) | 58°F (14°C) | 29% | 11 |
| July | 79°F (26°C) | 59°F (15°C) | 19% | 9 |
| August | 81°F (27°C) | 59°F (15°C) | 19% | 7 |
| September | 77°F (25°C) | 58°F (14°C) | 31% | 10 |
| October | 71°F (22°C) | 56°F (13°C) | 47% | 7 |
| November | 63°F (17°C) | 50°F (10°C) | 53% | 1 |
| December | 58°F (14°C) | 47°F (8°C) | 59% | 0 |
How Lisbon compares
Lisbon gets 61 just-right days a year with our default window; the median big US city gets 33. It ranks #2 of 3 Portugal places on Goldilocks Map. On muggy days: 34. On gray days: 18.
See every Portugal city ranked →
Places with a similar climate
Nearby
Lisbon averages 61 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/portugal/lisbon/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.