Weather
VI

Porto Alegre weather forecast — today & tomorrow

16°

Overcast

High: 20° · Low: 14° · Feels like 16°

Overcast. Gusts up to 24 km/h.

Hourly forecast

Now 1% 16°
11:00 3% 17°
12:00 4% 19°
13:00 3% 20°
14:00 1% 20°
15:00 · 20°
16:00 · 19°
17:00 · 18°
18:00 · 17°
19:00 · 16°
20:00 · 15°
21:00 · 15°
22:00 · 15°
23:00 · 15°
00:00 · 15°
01:00 · 14°
02:00 · 14°
03:00 · 14°
04:00 · 14°
05:00 · 14°
06:00 · 13°
07:00 · 13°
08:00 · 14°
09:00 · 16°

14-day forecast

  • Feels like
    19° / 14°
    Precipitation
    0 mm · 4%
    Wind
    19 km/h E
    UV index
    5 · Moderate
    Sun
    7:11 / 17:51

Details

Air quality
28 Fair
PM2.5 6 · PM10 8

Porto Alegre's Climate

Porto Alegre sits in the far south of Brazil, on the shore of the Guaíba lake near the Atlantic, and has a humid subtropical climate (Köppen Cfa) with four clear seasons; being in the Southern Hemisphere, they are reversed. Summer (December–March) is hot and humid, usually 28–34°C and occasionally above 38°C, with afternoon thunderstorms, while winter (June–September) is cool and damp, with nights that can dip to 8–12°C and the odd light frost. Rainfall is spread fairly evenly through the year, with no distinct dry season. Cold southerly winds can drop temperatures quickly in the cooler months.

Frequently asked questions

When is the best time to visit Porto Alegre?

Autumn (March–May) and spring (September–November) are most comfortable: mild and moderately sunny, avoiding the muggy peak of summer.

What are the hottest months in Porto Alegre?

January and February are hottest, with daytime highs usually 30–34°C, high humidity and readings occasionally above 38°C.

How cold does winter get in Porto Alegre?

Winter from June to September is cool and damp, with nights dropping to 8–12°C and occasional light frost in outlying areas.

Does Porto Alegre have a distinct rainy season?

Not really; rain falls fairly evenly all year, though late winter and early spring tend to be a little wetter.

Nearby locations

Sao PauloRio de JaneiroBrasiliaBelo HorizonteSalvadorFortalezaManausCuritiba

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