Manaus Weather in December
December in Manaus brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 24°C (75°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Manaus in December
As part of the rainy season, Manaus sees around 26 days of rain in December, with an average of 303 mm (12 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Manaus in December
In December, expect very high temperatures in Manaus, with highs of 32°C (90°F) and lows of 24°C (75°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Manaus in December
The month experiences a moderate amount of sunlight, with 117 hours of sunshine. This provides a nice balance between sunshine and rain.
Wind Speed in Manaus in December
December has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.December in Manaus has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Manaus's climate page.
Manaus Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
85%
Precipitation
303 mm (12 in)
Rainy days
26 days
Humidity
85%
Windspeed
1 m/s (2 knots)
Sunshine
117 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Manaus typically stay consistent throughout December, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°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 Manaus in December
Browse day-by-day weather records for Manaus spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Manaus historical weather extremes in December
The extremes listed below come from historical weather data collected in Manaus from 1976 through 2025.
- The hottest December day on record in Manaus reached 38°C (100°F) (December 26, 2003).
- On December 24, 2025, Manaus saw its coldest December day with temperatures maxing out at 25°C (77°F).
- Manaus registered its coldest December night on December 15, 2011, with temperatures dropping to 20°C (68°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
What to Wear in Manaus 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Manaus 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 Manaus's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Manaus climate overview or explore weather in Brazil.
