Portugal’s climate in late May offers a preview of summer’s warmth while retaining spring’s pleasant temperatures. Expect sunshine with average highs ranging from 18-25C (64-77F) depending on the region, cooler along the coast and warmer inland. Rainfall becomes less frequent compared to earlier months, though occasional showers are still possible. This period provides ideal conditions for outdoor activities, exploring both coastal areas and inland landscapes.
This time of year presents a desirable balance for travelers, avoiding the peak summer heat while still enjoying comfortable temperatures for sightseeing and outdoor pursuits. Historically, this period marks the transition from the wetter spring to the drier summer months, making it crucial for agriculture and influencing traditional seasonal activities. Favorable conditions for grape cultivation and other agricultural endeavors are particularly noteworthy during this pre-summer period.