Climate averages 1991–2020
Manacapuru weather
in December.
A hot, very wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Manacapuru: daytime highs average 29.0°C and nights cool to about 24.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 334 mm of rain on roughly 28 days, which makes December a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average December day.
The nearest other city in this atlas is Manaus (70 km away). In December its highs average 29.6°C, 0.6°C warmer than Manacapuru, with 289 mm of rain.
Among the 448 cities listed in Brazil, Manacapuru ranks joint 170th of 448 for the warmest December highs and 444th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Manacapuru is 0.5°C warmer than that mean.
From December to January, average highs fall by 0.3°C to 28.7°C, and monthly rainfall rises from 334 mm to 358 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Manacapuru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C24.3°C | 24.3°C | 358 | 28.1 | 12.312 h |
| February | 28.6°C24.2°C | 24.2°C | 354 | 25.7 | 12.212 h |
| March | 28.7°C24.3°C | 24.3°C | 427 | 29.1 | 12.112 h |
| April | 28.6°C24.2°C | 24.2°C | 418 | 28.7 | 12.012 h |
| May | 28.5°C24.1°C | 24.1°C | 372 | 29.3 | 12.012 h |
| June | 28.7°C24.1°C | 24.1°C | 212 | 24.8 | 11.912 h |
| July | 29.1°C24.2°C | 24.2°C | 136 | 21.6 | 11.912 h |
| August | 30.2°C24.8°C | 24.8°C | 120 | 18.9 | 12.012 h |
| September | 30.5°C25.0°C | 25.0°C | 138 | 20.5 | 12.112 h |
| October | 30.7°C25.2°C | 25.2°C | 165 | 21.4 | 12.212 h |
| November | 30.0°C25.0°C | 25.0°C | 209 | 24.1 | 12.312 h |
| December, selected | 29.0°C24.6°C | 24.6°C | 334 | 28.4 | 12.312 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Manaus in DecemberBrazil · 70 kmHigh 29.6°C · Low 24.4°C · 289 mm rain
- Itacoatiara in DecemberBrazil · 242 kmHigh 29.4°C · Low 24.8°C · 268 mm rain
- Coari in DecemberBrazil · 293 kmHigh 29.3°C · Low 24.2°C · 256 mm rain
- Parintins in DecemberBrazil · 438 kmHigh 30.0°C · Low 24.4°C · 245 mm rain
- Tefé in DecemberBrazil · 455 kmHigh 29.5°C · Low 23.7°C · 268 mm rain
- Itaituba in DecemberBrazil · 526 kmHigh 30.3°C · Low 23.9°C · 209 mm rain
- Oriximiná in DecemberBrazil · 555 kmHigh 30.2°C · Low 25.0°C · 211 mm rain
- Santarém in DecemberBrazil · 663 kmHigh 29.9°C · Low 25.7°C · 233 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Manacapuru) is explained once on the Manacapuru year overview and on the Sources, method and limits page.