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São João da Boa Vista Weather in December
During December, São João da Boa Vista experiences high daytime temperatures of 29°C (84°F) and cooler nights around 19°C (66°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in São João da Boa Vista in December
São João da Boa Vista is in the rainy season in December, with rain on around 21 days and an average of 246 mm (9.7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in São João da Boa Vista in December
Expect highs of 29°C (84°F) in São João da Boa Vista in December, with nights dropping to around 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and September typically offer the best weather for São João da Boa Vista.
São João da Boa Vista Temperature in December
Min Temperature
19°C (66°F)
Max Temperature
29°C (84°F)
Chance of Rain
68%
Precipitation
246 mm (9.7 in)
Rainy days
21 days
São João da Boa Vista Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São João da Boa Vista - and find the best time to visit.
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 São João da Boa Vista in December
Warm but pleasant conditions in São João da Boa Vista in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in São João da Boa Vista 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
São João da Boa Vista 3-Day Forecast
More climate data for São João da Boa Vista
See the full São João da Boa Vista climate overview or explore weather in Brazil.
Popular in December
Where to go in December - average daytime high across popular destinations.
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29°C (84°F) Búzios
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