Weather in Rio Branco now
Weather in Rio Branco now: 30°C, Overcast, Humidity 59%, Wind 5 km/h.
Rio Branco sits at 10.0° south latitude, in the equatorial belt, 150 m above sea level, in the America/Rio_Branco time zone. Over the week ahead highs range from 31° to 34° and lows from 21° to 24°, averaging 28°.
Forecast rainfall totals 51 mm, and 6 of the seven days carry a chance above 50%. Today the sun rises at 05:06 and sets at 17:26: 12:20 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Light drizzle | 32° | 21° | 51% | 11 km/h | 8 |
| Tomorrow | Light drizzle | 34° | 24° | 47% | 7 km/h | 9 |
| Mon, Oct 19 | Rain showers | 31° | 24° | 74% | 8 km/h | 9 |
| Tue, Oct 20 | Rain showers | 32° | 24° | 84% | 13 km/h | 9 |
| Wed, Oct 21 | Light drizzle | 33° | 24° | 70% | 7 km/h | 8 |
| Thu, Oct 22 | Thunderstorm | 31° | 24° | 93% | 8 km/h | 8 |
| Fri, Oct 23 | Rain showers | 32° | 24° | 76% | 8 km/h | 4 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Rio Branco month by month
The table gathers the 2016-2025 climate normals for Rio Branco: average highs and lows, total rainfall and number of rainy days for each month of the year.
Rio Branco has an annual mean temperature of 26.4°. The warmest month is September, when highs sit around 33.4°; the coldest is July, with average lows of 19.8°. The 13.6° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 1,801 mm a year, spread over roughly 208 rainy days. The wettest month is December, averaging 292.9 mm across 26 days; the driest is July, with 16 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 29.8° | 23° | 245 mm | 26 |
| February | 29.5° | 22.9° | 243.7 mm | 25 |
| March | 29.7° | 22.8° | 266.4 mm | 26 |
| April | 29.6° | 22.5° | 168.7 mm | 24 |
| May | 29.3° | 21.5° | 104 mm | 15 |
| June | 29.4° | 20.2° | 47.9 mm | 7 |
| July | 31.3° | 19.8° | 16 mm | 3 |
| August | 32.4° | 20.9° | 38.1 mm | 6 |
| September | 33.4° | 22.7° | 68 mm | 11 |
| October | 32.4° | 23.1° | 119.1 mm | 17 |
| November | 31° | 22.9° | 191 mm | 22 |
| December | 29.9° | 22.9° | 292.9 mm | 26 |
When to visit Rio Branco
For travellers who plan around the weather, February and May/June tend to be the most comfortable stretch: average highs between 29.3° and 29.5° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 29.8° and lows near 23°, with about 245 mm of rain over 26 days.
- In February, highs sit near 29.5° and lows near 22.9°, with about 243.7 mm of rain over 25 days.
- In March, highs sit near 29.7° and lows near 22.8°, with about 266.4 mm of rain over 26 days.
- In April, highs sit near 29.6° and lows near 22.5°, with about 168.7 mm of rain over 24 days.
- In May, highs sit near 29.3° and lows near 21.5°, with about 104 mm of rain over 15 days.
- In June, highs sit near 29.4° and lows near 20.2°, with about 47.9 mm of rain over 7 days.
- In July, highs sit near 31.3° and lows near 19.8°, with about 16 mm of rain over 3 days.
- In August, highs sit near 32.4° and lows near 20.9°, with about 38.1 mm of rain over 6 days.
- In September, highs sit near 33.4° and lows near 22.7°, with about 68 mm of rain over 11 days.
- In October, highs sit near 32.4° and lows near 23.1°, with about 119.1 mm of rain over 17 days.
- In November, highs sit near 31° and lows near 22.9°, with about 191 mm of rain over 22 days.
- In December, highs sit near 29.9° and lows near 22.9°, with about 292.9 mm of rain over 26 days.
Recorded extremes
Across 2016-2025, the thermometer reached 37.6° at the top of the series and fell to 12.6° at the bottom. These are observed values, not averages: they show what the city has actually faced.
Normals computed from the ERA5 reanalysis (Copernicus/ECMWF), 2016-2025 series.
FAQ
What is the temperature in Rio Branco right now?
It is 30°C in Rio Branco right now, with overcast. It feels like 34°C.
Will it rain in Rio Branco today?
The peak chance of rain today is 51%, with about 0.5 mm expected.
What will the weather be tomorrow in Rio Branco?
Tomorrow the high is 34° and the low 24°, with light drizzle.
Where does the data come from and how often is it updated?
Data comes from the ECMWF, GFS and ICON models and national weather services via Open-Meteo, updated every 15 minutes.
What is the warmest month in Rio Branco?
The warmest month is September, with average highs of 33.4° and lows of 22.7°.
Does it rain a lot in Rio Branco?
The city gets about 1,801 mm a year over 208 rainy days. The wettest month is December, with 292.9 mm.
When is the best time to visit Rio Branco?
On weather grounds, February and May/June combine the most agreeable temperatures with below-average rainfall.