Manaus weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – August
What is the weather like in Manaus in December?
In December, Manaus is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 299 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is not an ideal month for a holiday in Manaus.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 32 | 36 | 38 |
| Day | 31° | 30° | 29° |
| Night | 25° | 24° | 24° |
| Sun | 5 h | 4 h | 4 h |
| Rain days | 22 | 28 | 28 |
More details for December
- Daylight
- 12 h 18 min05:46 – 18:04
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 85 %on averageAll months
- Hot days
- 13 days30 °C or moreAll months
- Time zone
- UTC−4America/Manaus
How the score comes together
- Temperatureweight 50 %65 %
- Sunshineweight 20 %18 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Manaus in December: quick answers
Is Manaus hot in December?
Yes. In December, Manaus is hot: daytime highs average 30 °C and nights stay around 24 °C. On about 13 days the thermometer climbs to 30 °C or more.
Does it rain much in Manaus in December?
It rains often – on about 28 days, adding up to 299 mm.
Manaus month by month
The whole year in ManausAll destinations: BrazilWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences