Weather & Climate in Portugal
AVERAGE MONTHLY TEMPERATURES & RAINFALL
From April to October, the weather in northern Portugal generally ranges from mild to warm, with conditions becoming increasingly dry and sunny during the summer months. Daytime temperatures typically vary from the mid-60s°F in spring and autumn, rising to the upper 80s or low 90s°F at the peak of summer. Evenings and mornings usually cool down into the upper 40s to low 60s°F. Water temperatures tend to hover between 65°F to 75°F, which some travelers find refreshing, though others may find it somewhat chilly. While summer months generally remain dry, there's always a chance of wind and occasional light rain showers, especially in spring (April and May) and autumn (October).
Porto
Month | Average Temp [High/Low] (°F) | Average Precipitation (inches) |
April | 64° / 48° | 4.6 |
May | 67° / 51° | 3.5 |
June | 72° / 56° | 2.1 |
July | 76° / 59° | 0.6 |
August | 77° / 58° | 0.9 |
September | 75° / 57° | 2.5 |
October | 69° / 52° | 5.2 |
