🇧🇷 Weather in Porto Alegre
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Additional Forecasts for Porto Alegre
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Air Quality
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Historical Weather
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FAQ — Weather in Porto Alegre
Common questions about this page — answers customized for the data shown above.
Porto Alegre sits at approximately 30.0° south latitude, which generally produces a temperate or subtropical climate, with warm summers, mild winters and moderate seasonal variation. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Porto Alegre is generally April to June and September to November (Southern Hemisphere spring and autumn) — outside the extremes of summer heat and winter chill. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Southern Hemisphere, summer falls in December–February and winter in June–August — opposite to the Northern Hemisphere. Spring is September–November and autumn is March–May. Porto Alegre follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.