In December, the Alentejo Coast and Algarve regions along the Fisherman's Trail experience varied weather patterns. The temperatures range from modest highs in the mid-teens to lows dipping below 10°C at times. The weather is characterized by a mix of sunny days, intermittent rain showers, and cloudy periods. Rainfall can be significant on certain days, especially in areas along the coast. Despite the potential for wet conditions, sunny periods frequently break through, offering clearer skies.
In December, the Alentejo Coast endures a series of weather shifts. Early on, days feature heavy rain intermissions mixed with sunny spells, with temperatures hovering around 17°C during the day and cooling to 9°C by night. Mid-month, the pattern shifts to more sunshine interspersed with occasional patches of rain, often giving way to overcast days. Throughout, rainfall does not exceed 18 mm per day, keeping conditions manageable yet varied.
The Algarve region witnesses similar variability in its weather. Frequent sunny skies dominate, but rain intervenes periodically in forms ranging from light drizzle to heavy showers, especially in coastal areas like Sagres, which confronts rain reaching nearly 40 mm in a single day. Temperatures in the Algarve range from lows around 6°C to highs near 19°C. Despite occasional heavy downpours, clear skies often provide relief quickly, punctuating the cycle with pleasant, dry spells.
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