Weather in Porto Alegre
What's the weather like in Porto Alegre?
Porto Alegre has a moderate climate and heavy rainfall, especially in the wet season. Average daytime highs range from 31°C (87°F) in January to 20°C (67°F) in July, with overnight lows around 21°C (71°F) and 11°C (51°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Porto Alegre are March through November.
Quick facts
- Country
- 🇧🇷 Brazil
- Region
- South America
- Time zone
- America/Sao_Paulo
- Coordinates
- -30.035, -51.218
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 31°C / 87°F | 21°C / 71°F | 116 mm | 21 | — |
| February | 30°C / 86°F | 21°C / 69°F | 89 mm | 18 | — |
| March | 28°C / 82°F | 20°C / 67°F | 125 mm | 20 | — |
| April | 25°C / 78°F | 17°C / 63°F | 75 mm | 16 | — |
| May | 21°C / 70°F | 13°C / 56°F | 150 mm | 15 | — |
| June | 19°C / 66°F | 11°C / 52°F | 145 mm | 13 | — |
| July | 20°C / 67°F | 11°C / 51°F | 136 mm | 13 | — |
| August | 21°C / 70°F | 12°C / 53°F | 104 mm | 13 | — |
| September | 22°C / 72°F | 14°C / 57°F | 170 mm | 17 | — |
| October | 24°C / 75°F | 16°C / 60°F | 155 mm | 19 | — |
| November | 26°C / 80°F | 17°C / 62°F | 126 mm | 16 | — |
| December | 29°C / 85°F | 20°C / 67°F | 113 mm | 17 | — |
Porto Alegre by month
Detailed weather for any specific month:
Cities with a similar climate to Porto Alegre
Frequently asked questions
When is the best time to visit Porto Alegre?
The most comfortable months in Porto Alegre are usually May, August, September, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Porto Alegre?
January is typically the hottest month in Porto Alegre, averaging a high of 31°C (87°F).
What is the coldest month in Porto Alegre?
July is usually the coldest, with average lows around 11°C (51°F).
Does it snow in Porto Alegre?
Snow is rare in Porto Alegre; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.