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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Report weather desk. Data from national met services via Open-Meteo.
Porto’s maritime climate brings mild, wet winters and warm, dry summers. The live forecast above shows current conditions; typical January highs are 13–14°C, July 24–25°C. Annual rainfall exceeds 1,200 mm, concentrated from October to March.
What is Porto’s weather like by month?
Weather porto portugal by month follows a clear pattern. From November to February, daytime highs stay 13–16°C, with frequent rain – January averages 155 mm. Spring (March–May) warms to 17–21°C, rainfall decreasing. Summer (June–September) is driest and sunniest; July and August average 24–25°C, with occasional Atlantic breezes. Autumn sees temperatures drop back to 18–21°C in October, with rain increasing.
For those checking weather porto portugal february, expect similar conditions to January: highs near 14°C and about 12 rainy days. Weather porto portugal january is the coolest, while July is the warmest and least rainy.
How reliable are longer-range forecasts for Porto?
Forecasts beyond 7–10 days have lower confidence due to Atlantic weather systems. The porto weather 14 days outlook can indicate broad trends but may shift. For porto weather forecast 30 days, use it as a general guide rather than a precise prediction. If you need weather porto 15 days or weather porto 21 days, the live forecast above is updated regularly and provides the most current view. For short-term planning, weather in porto 10 days is typically reliable enough for travel decisions.
What is the coldest month in Porto?
January is the coldest, with average daily highs of 13–14°C and lows around 5–6°C. Frost is rare near the coast, but inland valleys can see cooler temperatures.
Does it rain a lot in Porto?
Yes, Porto is one of the wettest cities in Portugal. Annual rainfall exceeds 1,200 mm, with the heaviest rain from October to March. Summer months are much drier, especially July and August.
When is the best time to visit Porto for good weather?
Late spring (May–June) and early autumn (September–October) offer warm, pleasant temperatures and fewer crowds. July and August are hottest and driest but busiest with tourists.
Sources
For UK comparisons, see our UK weather hub or the 10 Day Weather Forecast UK page.