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Ubatuba Weather in December
Ubatuba in December averages 26°C (79°F) during the day and 21°C (70°F) at night. December is part of the rainy season, so frequent rainfall is typical.
Rainfall in Ubatuba in December
Ubatuba is in the rainy season in December, with rain on around 20 days and an average of 214 mm (8.4 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Ubatuba in December
Ubatuba in December gets highs of 26°C (79°F) during the day and drops to 21°C (70°F) at night. This kind of day-to-night contrast is typical for this time of year. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Ubatuba in December
The month is characterized by fewer sunny days, with roughly 92 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and August typically offer the best weather for Ubatuba.
Ubatuba Temperature in December
Min Temperature
21°C (70°F)
Max Temperature
26°C (79°F)
Chance of Rain
66%
Precipitation
214 mm (8.4 in)
Rainy days
20 days
Sunshine
92 hours
Percentage Sunshine
Ubatuba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ubatuba - and find the best time to visit.
Daily Historical Temperatures
45-year average (1977-2025)
Based on our historical records, temperatures in Ubatuba typically stay consistent throughout December, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 20°C (68°F).
Average temperatures in December
Historical weather records for Ubatuba in December
Browse day-by-day weather records for Ubatuba spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ubatuba historical weather extremes in December
Based on 19 years of weather observations in Ubatuba between 2006 and 2025, these are the recorded extremes.
- Ubatuba recorded its highest December temperature of 37°C (99°F) on December 31, 2007.
- The coldest December day was on December 8, 2018, with a maximum of 20°C (68°F).
- The coldest night in December in Ubatuba was on December 9, 2018, with a minimum of 12°C (54°F).
Best Places in Brazil in December
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in December →
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 Ubatuba in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With limited sunshine expected, sunglasses aren't a priority for packing.
What To Do in Ubatuba in December
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
Ubatuba 3-Day Forecast
More climate data for Ubatuba
See the full Ubatuba climate overview or explore weather in Brazil.
Popular in December
Where to go in December - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Rio de Janeiro
30°C (86°F) Salvador
29°C (84°F) Búzios
27°C (81°F) Gramado28°C (82°F) Florianópolis28°C (82°F) Sao Paulo28°C (82°F) Paraty27°C (81°F) Bucket list
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