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Porto Seguro Weather in December
Thinking of visiting Porto Seguro in December? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Porto Seguro in December
On average, there are about 22 days with rain during this month, averaging 125 mm (4.9 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Porto Seguro in December
If you're visiting Porto Seguro in December, expect highs of 30°C (86°F) and overnight lows around 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.December in Porto Seguro can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Porto Seguro Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
73%
Precipitation
125 mm (4.9 in)
Rainy days
22 days
Porto Seguro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Porto Seguro - and find the best time to visit.
Historical weather records for Porto Seguro in December
Browse day-by-day weather records for Porto Seguro spanning 25 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Porto Seguro historical weather extremes in December
The extremes listed below come from historical weather data collected in Porto Seguro from 2006 through 2025.
- Porto Seguro recorded its highest December temperature of 33°C (91°F) on December 10, 2015.
- Porto Seguro experienced its chilliest December day on December 25, 2021, reaching only 23°C (73°F).
- Nighttime temperatures dropped to 18°C (64°F) on December 2, 2007, marking the coldest December night on record.
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 Porto Seguro in December
Warm temperatures in December 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. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Porto Seguro 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
Porto Seguro 3-Day Forecast
More climate data for Porto Seguro
See the full Porto Seguro climate overview or explore weather in Brazil.
Popular in December
Where to go in December - average daytime high across popular destinations.
Fortaleza
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