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Portugal Monthly Climate Averages
To help you choose the best time to travel, you can find climate data below on the weather in Portugal .
| Month | Lisbon | Algarve | ||
| day | night | day | night | |
| January | +14.8°C | +8.3°C | +16.1°C | +7.3°C |
| February | +16.2°C | +9.1°C | +16.8°C | +8.2°C |
| March | +18.8°C | +11°C | +18.7°C | +9.2°C |
| April | +19.8°C | +11.9°C | +20°C | +9.5°C |
| May | +22.1°C | +13.9°C | +22.4°C | +12.7°C |
| June | +25.7°C | +16.6°C | +25.6°C | +15.9°C |
| July | +27.9°C | +18.2°C | +29°C | +18.2°C |
| August | +28.3°C | +18.6°C | +28.8°C | +18.5°C |
| September | +26.5°C | +17.6°C | +26.9°C | +17°C |
| October | +22.5°C | +15.1°C | +23.1°C | +14.3°C |
| November | +18.2°C | +11.8°C | +19.7°C | +11.1°C |
| December | +15.3°C | +9.4°C | +17.1°C | +9.3°C |
Temperature in Portugal
The table shows that the hottest months in Portugal are August and July, during which the average daytime temperature reaches 28.8°C and the nighttime temperature falls to 18.6°C.
The coldest months are January and December, when the daily average temperature falls to 14.8°C, and drops to + 7.3°C during the night.
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Sea temperature
The highest average monthly temperature in the Atlantic Ocean on the beaches of Lisbon is in September and October and is 19.8-19.9°C.
The highest average monthly temperature in the Atlantic Ocean on the beaches of Algarve is in August and September and equals 21.4 21.6°C.
Precipitation
The largest amount of rain falls on average in December and November, up to 122mm, and the least in July and August — up to 6mm.