Algarve, Portugal: 12-month weather guide
Algarve Weather 12-month guide: July is the hottest month in the Algarve with an average temperature of 23.5°C (74°F) and the coldest is January at 12°C (54°F) with the most daily sunshine hours at 12 in August. The wettest month is December with an average of 117.2mm of rain. The best month to swim in the sea is in August when the average sea temperature is 21°C (70°F).
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300 days of sun per year
The Algarve has around 3000 hours of sun per year and over 300 days of sun per year. This makes it one of the sunniest regions in Europe.
Differences within the Algarve
Algarve Weather 12-month guide: The climate in the Algarve is a bit drier than in other parts of Portugal. In the interior of the Algarve, it can be really hot and dry, due to the absence of wind from the sea. This sometimes leads to forest fires, like in Monchique. The east of the Algarve is usually a bit hotter and drier than the west of the Algarve, because of the influence of the Atlantic Ocean in the west.
Rainfall
In general, it rains little in the Algarve. Most of the rain falls in the period from November until the end of March. The summer is usually quite dry. In the winter it rarely gets below 0 degrees Celsius (32 degrees Fahrenheit) and it rarely snows.
Sea water temperatures
The sea water is around 20 degrees Celsius (68 degrees Fahrenheit) in summer and 16 degrees Celsius (61 degrees Fahrenheit) in winter. Because of the influence of the Atlantic Ocean and Mediterranean winds, the sea water is generally warmer in the east of the Algarve than in the west of the Algarve.
