Visiting · Lisbon 2026
Lisbon weather, month by month
The honest version: which months are warm enough to swim, which are wet, which are quiet, which are slammed. Numbers are the Open-Meteo 1991-2020 baseline; the verdicts are ours.
- Written by one person
- Curated, not crowd-sourced
- Verified every season
- Independent — paid placements clearly labelled
| Month | High | Low | Rain | Sun | Sea |
|---|---|---|---|---|---|
| Jan | 13.7°C | 9.6°C | 77.3 mm | 0 h | 13.8°C |
| Feb | 14.4°C | 9.5°C | 73.9 mm | 0 h | 14°C |
| Mar | 16°C | 11°C | 71.6 mm | 0 h | 14.8°C |
| Apr | 18.1°C | 12.5°C | 50.8 mm | 0 h | 16.6°C |
| May | 19.8°C | 14.1°C | 44.1 mm | 0 h | 17.8°C |
| Jun | 23.6°C | 16.8°C | 13.6 mm | 0 h | 18.8°C |
| Jul | 25.9°C | 18.3°C | 2.2 mm | 0 h | 19.5°C |
| Aug | 26.7°C | 19°C | 3.9 mm | 0 h | 19.6°C |
| Sep | 24.6°C | 18°C | 23 mm | 0 h | 18.5°C |
| Oct | 20.9°C | 15.8°C | 63.7 mm | 0 h | 18.2°C |
| Nov | 16.8°C | 12.9°C | 103.9 mm | 0 h | 17.6°C |
| Dec | 14.2°C | 10°C | 85 mm | 0 h | 15.2°C |
1991–2020 baseline · sea temperature: trailing 12 months · source: Open-Meteo
When to come
Lisbon runs cooler than the postcards. The year-round table above shows exactly when the air, sun and (where applicable) sea make the trip work for what you're after.
Pick a month
Common questions
- When is the best time to visit Lisbon?
- Lisbon runs cooler than the postcards. The year-round table above shows exactly when the air, sun and (where applicable) sea make the trip work for what you're after.
- Can you swim in Lisbon year-round?
- Lisbon isn't a year-round swim destination by tourist standards — the warmest months still see locals in the water.
- What's the rainiest month in Lisbon?
- November — about 104 mm on the 1991-2020 baseline. Lisbon's rainy month is rarely a deal-breaker but worth packing for.
- Is Lisbon hot in summer?
- Lisbon's summers are temperate — peak averages 26.7°C, gentler than the Mediterranean cliché.