São Sebastião do Caí weather
At 8:15 PM local time it was clear and 18°C (64°F). Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out. Best months for weather: Feb–May, Aug, Nov–Dec. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for São Sebastião do Caí, Rio Grande do Sul, Brazil.
Current conditions
- Clouds
- 2%
- Chance of rain
- 2%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Feb–May, Aug, Nov–DecOff season Jul, Sep–Oct
About São Sebastião do Caí weather
Is it raining in São Sebastião do Caí right now?
No. It’s clear and 18° right now. Light rain for 1 of the next 24 hours (under 1 mm/h, 0.1 mm total) — cloudy, but fine to be out.
What’s the weather like in São Sebastião do Caí this week?
Over the next 7 days, expect highs of 26–32° and lows of 12–18°. Rain is likely on 5 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday). The driest day looks like Friday.
Has it been raining in São Sebastião do Caí lately?
In the past 7 days, São Sebastião do Caí had 4 rainy days and 39.8 mm of rain in total.
What should I pack for São Sebastião do Caí?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
São Sebastião do Caí weather by month
When is the best time to visit São Sebastião do Caí?
Based on weather alone, the best time to visit São Sebastião do Caí 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 (64°F) in July to 29°C (84°F) in January.
What is the rainiest month in São Sebastião do Caí?
October is the wettest month, with about 168 mm (6.6 in) of rain on average. April is the driest, with about 107 mm (4.2 in).
What is the hottest month in São Sebastião do Caí?
January is the warmest, with average highs of 29°C (84°F) and lows of 18°C (65°F). July is the coolest, with highs of 18°C (64°F) and lows of 9°C (47°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months