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Ilha Grande Weather in January
Ilha Grande in January sees high daytime temperatures of 28°C (82°F) and nighttime lows of 24°C (75°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Ilha Grande in January
As part of the rainy season, Ilha Grande sees around 20 days of rain in January, with an average of 226 mm (8.9 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Ilha Grande in January
January in Ilha Grande brings high temperatures, with highs of 28°C (82°F) and nights around 24°C (75°F). This kind of day-to-night contrast is typical for this time of year. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Ilha Grande. Our weather planner can help you explore destinations with more pleasant weather conditions.
Ilha Grande Temperature in January
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
65%
Precipitation
226 mm (8.9 in)
Rainy days
20 days
Ilha Grande Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ilha Grande - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2026)
Based on our historical records, temperatures in Ilha Grande typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Historical weather records for Ilha Grande in January
Browse day-by-day weather records for Ilha Grande spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ilha Grande historical weather extremes in January
According to our 22 years of weather records for Ilha Grande, the following extremes were recorded between 2003 and 2025.
- The hottest January day on record in Ilha Grande reached 39°C (102°F) (January 3, 2014).
- Ilha Grande experienced its chilliest January day on January 27, 2005, reaching only 19°C (66°F).
- The coldest night in January in Ilha Grande was on January 12, 2025, with a minimum of 7°C (45°F).
Best Places in Brazil in January
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in January →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ilha Grande in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
What To Do in Ilha Grande in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Ilha Grande 3-Day Forecast
More climate data for Ilha Grande
See the full Ilha Grande climate overview or explore weather in Brazil.
Popular in January
Where to go in January - average daytime high across popular destinations.
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