Climate averages 1991–2020
Rio Branco weather
in February.
A hot, very wet month: the joint 8th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
February is a hot month in Rio Branco: daytime highs average 29.2°C and nights cool to about 22.8°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 243 mm of rain on roughly 25 days, which makes February a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average February day.
The nearest other city in this atlas is Riberalta (224 km away). In February its highs average 29.4°C, about as warm as Rio Branco, with 260 mm of rain.
Among the 448 cities listed in Brazil, Rio Branco ranks joint 139th of 448 for the warmest February highs and 384th of 448 for the driest February (rainfall, lowest first). The mean February high of those 448 cities is 28.5°C; Rio Branco is 0.7°C warmer than that mean.
From February to March, average highs stay level at 29.2°C, and monthly rainfall rises from 243 mm to 249 mm.
The annual picture
February 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
Rio Branco climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.4°C22.9°C | 22.9°C | 255 | 27.6 | 12.613 h |
| February, selected | 29.2°C22.8°C | 22.8°C | 243 | 25.3 | 12.412 h |
| March | 29.2°C22.8°C | 22.8°C | 249 | 27.2 | 12.212 h |
| April | 28.9°C22.4°C | 22.4°C | 160 | 22.7 | 11.912 h |
| May | 28.4°C21.6°C | 21.6°C | 76 | 15.4 | 11.712 h |
| June | 28.9°C20.9°C | 20.9°C | 30 | 6.8 | 11.612 h |
| July | 30.4°C20.4°C | 20.4°C | 21 | 4.2 | 11.612 h |
| August | 32.1°C21.4°C | 21.4°C | 38 | 6.3 | 11.812 h |
| September | 32.4°C22.7°C | 22.7°C | 76 | 11.9 | 12.012 h |
| October | 31.5°C23.0°C | 23.0°C | 137 | 19.5 | 12.312 h |
| November | 30.1°C22.9°C | 22.9°C | 199 | 22.9 | 12.613 h |
| December | 29.5°C23.0°C | 23.0°C | 246 | 26.3 | 12.713 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
February in nearby cities
- Riberalta in FebruaryBolivia · 224 kmHigh 29.4°C · Low 23.3°C · 260 mm rain
- Puerto Maldonado in FebruaryPeru · 328 kmHigh 29.0°C · Low 22.8°C · 361 mm rain
- Porto Velho in FebruaryBrazil · 449 kmHigh 29.4°C · Low 23.3°C · 318 mm rain
- Ariquemes in FebruaryBrazil · 522 kmHigh 29.3°C · Low 22.7°C · 282 mm rain
- Cruzeiro do Sul in FebruaryBrazil · 595 kmHigh 29.5°C · Low 22.7°C · 244 mm rain
- Cusco in FebruaryPeru · 601 kmHigh 15.4°C · Low 8.3°C · 215 mm rain
- Trinidad in FebruaryBolivia · 626 kmHigh 29.1°C · Low 23.4°C · 286 mm rain
- Ji Paraná in FebruaryBrazil · 649 kmHigh 28.9°C · Low 22.8°C · 263 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 Rio Branco) is explained once on the Rio Branco year overview and on the Sources, method and limits page.