Climate averages 1991–2020
Puerto Maldonado weather
in December.
A hot, very wet month: the joint 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Puerto Maldonado: daytime highs average 29.4°C and nights cool to about 23.0°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 330 mm of rain on roughly 26 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 51 min on an average December day.
The nearest other city in this atlas is Cusco (318 km away). In December its highs average 15.9°C, 13.5°C cooler than Puerto Maldonado, with 196 mm of rain.
Among the 24 cities listed in Peru, Puerto Maldonado ranks 7th of 24 for the warmest December highs and 24th of 24 for the driest December (rainfall, lowest first). The mean December high of those 24 cities is 24.6°C; Puerto Maldonado is 4.8°C warmer than that mean.
From December to January, average highs fall by 0.1°C to 29.3°C, and monthly rainfall rises from 330 mm to 369 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
Puerto Maldonado climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C23.0°C | 23.0°C | 369 | 27.1 | 12.813 h |
| February | 29.0°C22.8°C | 22.8°C | 361 | 24.7 | 12.513 h |
| March | 29.2°C22.8°C | 22.8°C | 300 | 25.6 | 12.212 h |
| April | 28.9°C22.3°C | 22.3°C | 168 | 19.1 | 11.812 h |
| May | 27.7°C21.1°C | 21.1°C | 88 | 13.8 | 11.512 h |
| June | 27.5°C20.4°C | 20.4°C | 52 | 9.2 | 11.411 h |
| July | 27.9°C19.7°C | 19.7°C | 46 | 7.8 | 11.511 h |
| August | 30.1°C20.8°C | 20.8°C | 62 | 8.6 | 11.712 h |
| September | 30.8°C22.0°C | 22.0°C | 119 | 13.5 | 12.012 h |
| October | 30.2°C22.7°C | 22.7°C | 223 | 21.4 | 12.412 h |
| November | 29.4°C22.7°C | 22.7°C | 259 | 22.2 | 12.713 h |
| December, selected | 29.4°C23.0°C | 23.0°C | 330 | 26.1 | 12.813 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
- Cusco in DecemberPeru · 318 kmHigh 15.9°C · Low 8.4°C · 196 mm rain
- Rio Branco in DecemberBrazil · 328 kmHigh 29.5°C · Low 23.0°C · 246 mm rain
- Juliaca in DecemberPeru · 339 kmHigh 15.1°C · Low 4.8°C · 140 mm rain
- Puno in DecemberPeru · 372 kmHigh 15.2°C · Low 5.8°C · 156 mm rain
- Riberalta in DecemberBolivia · 385 kmHigh 29.8°C · Low 23.5°C · 262 mm rain
- Abancay in DecemberPeru · 416 kmHigh 20.4°C · Low 12.4°C · 178 mm rain
- La Paz in DecemberBolivia · 449 kmHigh 14.8°C · Low 5.7°C · 112 mm rain
- Viacha in DecemberBolivia · 462 kmHigh 14.8°C · Low 4.2°C · 110 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 Puerto Maldonado) is explained once on the Puerto Maldonado year overview and on the Sources, method and limits page.