The best time to visit San Cibrao is generally during the summer months, from June to September, when the weather is at its finest and the town is most active.
During July and August, you'll experience the warmest temperatures and the least rainfall, making it ideal for enjoying the beaches and coastal activities. This period is also when many local festivals take place, adding to the lively option. The sea temperatures are typically pleasant for swimming, and the longer daylight hours allow for extended exploration.
For those who prefer a slightly quieter experience but still want good weather, June and September are excellent choices. The temperatures are still very agreeable, and the crowds are smaller than in the peak summer months. You'll find it easier to book accommodations and enjoy the local restaurants without the busiest periods.