Manaus weather in December
December in Manaus: sweltering, soaked, with very humid — one of the weakest months to visit.
#12 of 12 months in Manaus · #497 of 604 destinations to visit in December · comfort 49/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Manaus climate normals — December
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 307 mm / 12.1 in | ⛈ soaked |
| Rainy days | 29 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Manaus in December — FAQ
- Is December a good time to visit Manaus?
- December in Manaus: sweltering, soaked, with very humid — one of the weakest months to visit. It ranks #12 of 12 months for Manaus on SeasonMap's comfort score (49/100).
- What is the weather like in Manaus in December?
- In December, Manaus averages a daily high of 29.8°C and a low of 24.5°C, with about 306.7 mm of rain over roughly 28.8 rainy days.
- What is the air quality in Manaus in December?
- Manaus has a mean US Air Quality Index of about 54 in December.