Rio Grande do Sul weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Rio Grande do Sul, Brazil. Like most weather services, we show Rio Grande do Sul at one spot: Porto Alegre, its largest city. At 8:15 PM local time it was clear and 18°C (65°F). Little to no rain in the next 24 hours. Best months for weather: Feb–May, Aug, Nov–Dec.
Current conditions
- Clouds
- 2%
- Chance of rain
- 3%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Feb–May, Aug, Nov–DecOff season Jul, Sep–Oct
About Porto Alegre weather
Is it raining in Porto Alegre right now?
No. It’s clear and 18° right now. Little to no rain in the next 24 hours.
What’s the weather like in Porto Alegre this week?
Over the next 7 days, expect highs of 24–30° and lows of 15–19°. Rain is likely on 4 of 7 days (Monday, Tuesday, Wednesday, Thursday). The driest day looks like Sunday.
Has it been raining in Porto Alegre lately?
In the past 7 days, Porto Alegre had 4 rainy days and 19.9 mm of rain in total.
What should I pack for Porto Alegre?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Rio Grande do Sul weather by month
When is the best time to visit Rio Grande do Sul?
Based on weather alone, the best time to visit Rio Grande do Sul is Feb–May, Aug, Nov–Dec, according to NASA's 2001–2025 climate averages. Jul, Sep–Oct tends to be the least pleasant. Average highs run from 18°C (65°F) in July to 30°C (85°F) in February.
What is the rainiest month in Rio Grande do Sul?
September is the wettest month, with about 157 mm (6.2 in) of rain on average. April is the driest, with about 98 mm (3.9 in).
What is the hottest month in Rio Grande do Sul?
February is the warmest, with average highs of 30°C (85°F) and lows of 20°C (68°F). July is the coolest, with highs of 18°C (65°F) and lows of 9°C (48°F).
Rio Grande do Sul weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Porto Alegre), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Rio Grande do Sul
Weather can differ a lot within Rio Grande do Sul: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Porto Alegre | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
| Caxias do Sul | Feb–Apr, Aug, Nov–Dec | Jul, Sep–Oct | 17–27°C | 1,668 mm |
| Pelotas | Nov–Jan | None | 16–29°C | 1,343 mm |
| Canoas | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
| Santa Maria | Feb–May, Aug | Sep–Oct, Dec–Jan | 18–30°C | 1,692 mm |
| Gravataí | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
| Novo Hamburgo | Feb–May, Aug, Nov–Dec | Jul, Sep–Oct | 18–29°C | 1,575 mm |
| Viamão | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
| Passo Fundo | Feb–May, Aug, Nov | Sep–Oct, Dec–Jan | 18–28°C | 1,722 mm |
| São Leopoldo | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
| Rio Grande | Nov–Apr | None | 15–26°C | 1,327 mm |
| Alvorada | Feb–May, Aug, Nov–Dec | Sep–Oct | 18–30°C | 1,446 mm |
Cities and towns in Rio Grande do Sul
- Porto Alegre
- Caxias do Sul
- Pelotas
- Canoas
- Santa Maria
- Gravataí
- Novo Hamburgo
- Viamão
- Passo Fundo
- São Leopoldo
- Rio Grande
- Alvorada
- Cachoeirinha
- Santa Cruz do Sul
- Sapucaia do Sul
- Bento Gonçalves
- Bagé
- Uruguaiana
- Guaíba
- Erechim
- Lajeado
- Ijuí
- Cachoeira do Sul
- Santo Ângelo
- Santa Rosa
- Sant'Ana do Livramento
- Esteio
- Sapiranga
- Alegrete
- Farroupilha
- Venâncio Aires
- Camaquã
- Montenegro
- Vacaria
- Capão da Canoa
- Campo Bom
- Carazinho
- São Borja
- Cruz Alta
- São Gabriel
- Taquara
- Canguçu
- Tramandaí
- Parobé
- Estância Velha
- Santiago
- Osório
- Canela
- Marau
- Panambi
- São Lourenço do Sul
- Santo Antônio da Patrulha
- Eldorado do Sul
- Torres
- Gramado
- Rosário do Sul
- Dom Pedrito
- Itaqui
- Garibaldi
- Charqueadas
- Rio Pardo
- Portão
- Caçapava do Sul
- São Luiz Gonzaga
- Palmeira das Missões
- Igrejinha
- Teutônia
- Estrela
- Frederico Westphalen
- Flores da Cunha
- Dois Irmãos
- Carlos Barbosa
- Soledade
- Triunfo
- Santa Vitória do Palmar
- Nova Santa Rita
- Candelária
- São José do Norte
- Lagoa Vermelha
- Nova Prata
- Imbé
- Vera Cruz
- Veranópolis
- Jaguarão
- Encruzilhada do Sul
- Três Passos
- Capão do Leão
- Guaporé
- Taquari
- Três de Maio
- Sarandi
- Ivoti
- Tapejara
- São Sebastião do Caí
- Três Coroas
- São Jerônimo
- Estrela
- Nova Petrópolis
- Encantado
- Quaraí
- Arroio do Meio
- São Francisco de Paula
- Ibirubá
- Rolante
- São Marcos
- Butiá
- Nova Hartz
- Tupanciretã
- Horizontina
- Júlio de Castilhos
- São Francisco de Assis
- Não-Me-Toque
- Arroio Grande
- Piratini
- Cidreira
- São Sepé
- Serafina Corrêa
- Getúlio Vargas
- Xangri-lá
- Sananduva
- Agudo
- Giruá
- Espumoso
- São Pedro do Sul
- Dom Feliciano
- Santo Cristo