December · Brazil
Best time to visit Amazon Rainforest in December Weather, crowds & prices
Weather in Amazon Rainforest in December
Average temperature 28°C, 239 mm of rain, about 18 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
3.8/10
Ranked #12 of 12 months
- Avg temp
- 28°C
- Rainfall
- 239 mm
- Humidity
- 85%
- Days with 6h+ sun
- 18
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Amazon Rainforest scores 3.8/10 for nature and wildlife travel - ranked #12 of 12. Expect around 28°C, 239 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
The Amazon Rainforest is Earth's largest jungle biome-river lodges, canopy walks, and wildlife-rich tributaries near Manaus. Best window: the drier months outside peak monsoon.
December in Amazon Rainforest — the hardest end of the year
December averages 28°C (82°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
239 mm of rain puts this in monsoon territory — about 18 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.8/10 here, 12th of 12 months, against 6.1/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? September scores 2.3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Amazon Rainforest in December?
- In December, Amazon Rainforest averages 28°C, 239 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 3.8/10.
- Is December a good time to visit Amazon Rainforest?
- December earns a 3.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Amazon Rainforest in December?
- Expect about 239 mm of rain in December. Average humidity is 85% and there are about 18 days with 6+ hours of sunshine.
Curated in Amazon Rainforest
Tickets & experiences
Things to do in Amazon Rainforest
Amazon Rainforest, Brazil. Live activities and tours from GetYourGuide, matched to this destination.