Curitiba Weather in December
December in Curitiba brings high temperatures, with daytime highs of 26°C (79°F) and nights around 17°C (63°F). It's part of the rainy season, with 173 mm (6.8 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Curitiba in December
As part of the rainy season, Curitiba sees around 26 days of rain in December, with an average of 173 mm (6.8 in). Rain is a regular feature this month, though individual showers are generally on the lighter side.
Temperature in Curitiba in December
December in Curitiba sees highs of 26°C (79°F) and lows of 17°C (63°F) overnight. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Curitiba in December
With about 166 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.Should you favor a climate that's both dry and comfortably warm, April, May, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Curitiba's climate page.
Curitiba Temperature in December
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
87%
Precipitation
173 mm (6.8 in)
Rainy days
26 days
Humidity
80%
Sunshine
166 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Curitiba typically stay consistent throughout December, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Curitiba in December
Browse day-by-day weather records for Curitiba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Curitiba historical weather extremes in December
Based on 27 years of weather observations (1998-2025), these are the most extreme conditions recorded in Curitiba.
- The warmest day in December was on December 17, 1998, with a maximum of 35°C (95°F).
- On December 14, 2010, Curitiba saw its coldest December day with temperatures maxing out at 13°C (55°F).
- The lowest overnight temperature recorded in December was 8°C (46°F) (December 2, 2001).
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
What to Wear in Curitiba in December
Warm but pleasant conditions in Curitiba 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Curitiba in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Curitiba's climate page.
Temperature Rainfall Sunshine Humidity
See the full Curitiba climate overview or explore weather in Brazil.
