Regions
Portugal climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lisbon | 15° | 17° | 18° | 19° | 23° | 25° | 28° | 29° | 26° | 23° | 18° | 16° |
| Porto | 14° | 15° | 16° | 18° | 20° | 22° | 24° | 24° | 23° | 21° | 17° | 14° |
| Algarve (Albufeira) | 16° | 18° | 19° | 21° | 25° | 28° | 32° | 32° | 27° | 25° | 20° | 17° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lisbon | 7 | 6 | 11 | 11 | 4 | 5 | 1 | 1 | 5 | 10 | 11 | 10 |
| Porto | 12 | 9 | 15 | 13 | 9 | 9 | 4 | 3 | 7 | 14 | 16 | 16 |
| Algarve (Albufeira) | 7 | 7 | 12 | 8 | 4 | 4 | 0 | 0 | 4 | 9 | 7 | 9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lisbon | 15° | 16° | 15° | 17° | 18° | 19° | 20° | 20° | 18° | 19° | 18° | 16° |
| Porto | 14° | 14° | 14° | 16° | 17° | 18° | 18° | 18° | 17° | 17° | 17° | 14° |
| Algarve (Albufeira) | 17° | 15° | 16° | 17° | 17° | 19° | 19° | 20° | 18° | 19° | 18° | 16° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Lisbon climate in August
8-year averages · when to visitBest months: May–September · August: Perfect
| July | August | September | |
|---|---|---|---|
| Average temperature | ▲ 22°C | 23°C | ▼ 21°C |
| Typical high | ▲ 28°C | 29°C | ▼ 26°C |
| Typical low | ▲ 18°C | 19°C | ▼ 18°C |
| Water temperature | ▲ 19.5°C | 19.8°C | ▼ 18.2°C |
| Precipitation | ▼ 4 mm | 1 mm | ▲ 36 mm |
| Wet days | → 1 d | 1 d | ▲ 5 d |
| Humidity | ▲ 64% | 65% | ▼ 64% |
| Sunshine per day | ▼ 13.3 h | 12.4 h | ▼ 10.9 h |
| Cloud cover | → 9% | 9% | ▲ 12% |
| Midday UV | ▼ 11 | 10 | ▼ 8 |
| Daylight | 14:34 | 13:38 | 12:26 |
| Our take | Perfect | Perfect | Perfect |
August temperatures day by day daily mean + smoothed trend · °C
August precipitation day by day mm
August UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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Updated: 6:45 AM
Portugal · 12 weather points · Climate reference: Lisbon (38.72°N, 9.14°W) · Europe/Lisbon