Climate averages 1991–2020
Riberalta weather
in August.
A hot, moderately wet month: the 2nd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Riberalta: daytime highs average 31.9°C and nights cool to about 21.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 40 mm of rain on roughly 6 days, which makes August a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 45 min on an average August day.
The nearest other city in this atlas is Rio Branco (224 km away). In August its highs average 32.1°C, about as warm as Riberalta, with 38 mm of rain.
Among the 14 cities listed in Bolivia, Riberalta ranks 1st of 14 for the warmest August highs and 10th of 14 for the driest August (rainfall, lowest first). The mean August high of those 14 cities is 21.5°C; Riberalta is 10.4°C warmer than that mean.
From August to September, average highs rise by 0.3°C to 32.2°C, and monthly rainfall rises from 40 mm to 84 mm.
The annual picture
August 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
Riberalta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C23.4°C | 23.4°C | 269 | 27.7 | 12.713 h |
| February | 29.4°C23.3°C | 23.3°C | 260 | 25.4 | 12.512 h |
| March | 29.4°C23.3°C | 23.3°C | 255 | 27.8 | 12.212 h |
| April | 29.1°C22.9°C | 22.9°C | 174 | 23.3 | 11.912 h |
| May | 28.5°C22.0°C | 22.0°C | 81 | 15.7 | 11.612 h |
| June | 28.9°C21.3°C | 21.3°C | 34 | 7.0 | 11.511 h |
| July | 30.0°C20.7°C | 20.7°C | 24 | 4.8 | 11.512 h |
| August, selected | 31.9°C21.8°C | 21.8°C | 40 | 6.3 | 11.712 h |
| September | 32.2°C23.1°C | 23.1°C | 84 | 13.6 | 12.012 h |
| October | 31.4°C23.6°C | 23.6°C | 159 | 20.7 | 12.312 h |
| November | 30.1°C23.4°C | 23.4°C | 222 | 23.6 | 12.613 h |
| December | 29.8°C23.5°C | 23.5°C | 262 | 27.1 | 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
August in nearby cities
- Rio Branco in AugustBrazil · 224 kmHigh 32.1°C · Low 21.4°C · 38 mm rain
- Porto Velho in AugustBrazil · 343 kmHigh 33.0°C · Low 22.9°C · 42 mm rain
- Ariquemes in AugustBrazil · 351 kmHigh 33.9°C · Low 22.4°C · 32 mm rain
- Puerto Maldonado in AugustPeru · 385 kmHigh 30.1°C · Low 20.8°C · 62 mm rain
- Trinidad in AugustBolivia · 443 kmHigh 30.3°C · Low 20.6°C · 50 mm rain
- Ji Paraná in AugustBrazil · 448 kmHigh 33.6°C · Low 21.9°C · 23 mm rain
- Cacoal in AugustBrazil · 505 kmHigh 33.7°C · Low 21.5°C · 26 mm rain
- La Paz in AugustBolivia · 651 kmHigh 13.7°C · Low 1.1°C · 21 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 Riberalta) is explained once on the Riberalta year overview and on the Sources, method and limits page.