Although the temperatures are warmest between June and September, all months from the beginning of April to the end of November are highly recommended for a sports holiday in Portugal. Constant temperatures between 20 °C and 30 °C offer excellent conditions for surfing, for intensive workouts or simply for relaxing on the beach. The winter months from December to February are mild and are well suited for sporting activities, sightseeing and cultural explorations. Note: Of course, you can fly to Portugal with us 365 days a year. No matter when, no matter how long. Fitness vacation in Portugal for Travelling Athletes.