On the climate data, the best time to visit Paraty is June – August, scoring up to 86/100 with highs around 80°F (27°C) and 1.9 in (48 mm) of rain in July. May and September are good shoulder-season months. The toughest months are December & January, mainly because of rain.
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~800 m (2,625 ft) to Paraty's ~8 m (26 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
How we pick the best months
Temperature (40 pts): full marks for average daytime highs of 64–81°F (18–27°C); minus 3 points per °C below and 4 per °C above.
Rain (25 pts): full marks up to 40 mm (1.6 in) a month, falling to zero at 250 mm (9.8 in).
Humidity (15 pts): only counts when it is warm (mean above 18°C); minus 0.75 points per % above 70% relative humidity.
Cloud (20 pts): full marks at 30% cloud cover or less, falling to zero at 90%.
Best months: within 6 points of the top (or 85+). Shoulder: within 18 and at least 45. Toughest: within 6 of the lowest. Comfort only; crowds, prices, festivals and openings aren't scored.
Paraty season by season
Temperatures barely move through the year in Paraty (highs stay between 80°F and 89°F), so rain is what really separates the seasons.
Drier months Apr – Sep
Temperatures hold fairly even, with highs of 80–87°F (27–31°C). It's the driest half, with only about 13.6 in (345 mm) of rain, 24% of the year's total. April – August feel humid, with humidity near 86%. June – August are among the best-scoring months (season average 77/100).
Wetter months Oct – Mar
Expect steady highs of 87–89°F (31–32°C). It's the wettest half, with about 42.3 in (1075 mm) of rain, 76% of the year's total. October – March feel humid, with humidity near 84%. It holds the toughest stretch on our comfort score (December & January), averaging 44/100.
What our curated routes say
Our curated Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov. That lines up with the climate data here: May & June and September are among the better-scoring months.
Plan by month
By comfort score: 4 Great, 2 Good, 3 Fair and 3 Tough. Great months: May – August. Tap a month for its own guide.
On the climate data, the best time to visit Paraty is June – August, scoring up to 86/100 with highs around 80°F (27°C) and 1.9 in (48 mm) of rain in July. May and September are good shoulder-season months. The toughest months are December & January, mainly because of rain.
What is the rainiest month in Paraty?
January is the wettest month, averaging about 9.0 in (228 mm) of rain. August is the driest, with about 1.5 in (38 mm). The yearly total is around 55.9 in (1420 mm).
What is the coldest month in Paraty?
July is the coldest, with average lows of 60°F (16°C) and highs of 80°F (27°C). The warmest is January, with average highs of 89°F (32°C).
Is Paraty humid?
Yes for much of the year: humidity averages 82% annually, and October – August combine warmth with 75%+ humidity, which feels sticky.
When is the rainy season in Paraty?
The wettest three-month stretch is December – February, with about 24.1 in (612 mm) of rain combined. The driest stretch is June – August, with about 5.1 in (129 mm).