Get the app
Best time to visit · Portugal
For the most comfortable weather in Lisbon, aim for April – September. May tops our comfort score at 93/100, with highs around 66°F (19°C) and 1.2 in (31 mm) of rain. February & March and November are good shoulder-season months. The toughest months are October and December & January, mainly because of cloud cover.
Highs run from 58°F to 73°F across the year, and the yearly total is about 21.3 in (541 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 58°F14°C | 58°F15°C | 60°F16°C | 62°F17°C | 66°F19°C | 70°F21°C | 72°F22°C | 73°F23°C | 72°F22°C | 69°F20°C | 63°F17°C | 59°F15°C |
| Avg low | 52°F11°C | 51°F11°C | 53°F12°C | 55°F13°C | 58°F14°C | 62°F16°C | 63°F17°C | 64°F18°C | 64°F18°C | 62°F16°C | 56°F14°C | 53°F12°C |
| Rain | 2.6 in65 mm | 2.0 in51 mm | 2.4 in60 mm | 2.1 in54 mm | 1.2 in31 mm | 0.4 in11 mm | 0.1 in3 mm | 0.2 in6 mm | 1.0 in25 mm | 3.1 in79 mm | 3.6 in92 mm | 2.5 in64 mm |
| Humidity | 81% | 80% | 80% | 80% | 79% | 80% | 81% | 81% | 81% | 81% | 80% | 82% |
| Cloud | 62% | 58% | 61% | 57% | 52% | 49% | 45% | 41% | 48% | 58% | 60% | 62% |
| Comfort | 76 | 79 | 80 | 86 | 93 | 86 | 87 | 88 | 86 | 78 | 81 | 78 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 24 m (79 ft), close to Lisbon's own ~61 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 58–59°F (14–15°C) and lows down to 51°F (11°C). About 7.1 in (180 mm) of rain falls across these months, 33% of the year's total. Comfort scores bottom out in December & January; the season averages 78/100.
Temperatures climb through the season, from 60°F highs in March to 66°F by May. About 5.7 in (145 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 53°F (12°C). Comfort peaks here: April & May rank with the year's best, and the season averages 86/100.
The warmest stretch of the year, with highs of 70–73°F (21–23°C). It's the driest season, with only about 0.8 in (20 mm) of rain, 4% of the year's total. August feels humid, with humidity near 81%. June – August are among the best-scoring months (season average 87/100).
Temperatures slide from 72°F highs in September to 63°F by November. It's the wettest season, with about 7.7 in (196 mm) of rain, 36% of the year's total. Lows bottom out around 56°F (14°C). Comfort peaks here: September ranks with the year's best, and the season averages 82/100.
By comfort score: 12 Great. Tap a month for its own guide.
For the most comfortable weather in Lisbon, aim for April – September. May tops our comfort score at 93/100, with highs around 66°F (19°C) and 1.2 in (31 mm) of rain. February & March and November are good shoulder-season months. The toughest months are October and December & January, mainly because of cloud cover.
November is the wettest month, averaging about 3.6 in (92 mm) of rain. July is the driest, with about 0.1 in (3 mm). The yearly total is around 21.3 in (541 mm).
February is the coldest, with average lows of 51°F (11°C) and highs of 58°F (15°C). The warmest is August, with average highs of 73°F (23°C).
Yes: in August humidity averages 81% with warm temperatures, so it feels muggy. Summer highs peak around 73°F (23°C).
The wettest three-month stretch is October – December, with about 9.3 in (235 mm) of rain combined. The driest stretch is June – August, with about 0.8 in (20 mm).
Poll the group on April – September dates, then plan the days, packing and costs together.
