Live Weather & Forecast
Weather in Rio Branco
Acre, Brazil · Real-time conditions & 3-day outlook
23°C
Feels like 26°C
74°F / Feels 79°F
Partly cloudy
Rio Branco, Acre
🌙 Nighttime
Updated: 2026-04-19 05:15
Humidity
100%
Wind
4.3 km/h NNW
Wind Gust
7.6 km/h
Pressure
1009 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
22.2°C
Wind Degree
327°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
179.9 μg/m³
NO₂
1.3 μg/m³
O₃
28 μg/m³
SO₂
1 μg/m³
PM 2.5
6.3 μg/m³
PM 10
6.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rio Branco, Acre
12 AM
23°
Mist
1 AM
23°
Mist
2 AM
23°
Mist
3 AM
23°
Fog
4 AM
23°
Fog
5 AM
23°
Partly cloudy
6 AM
23°
Fog
7 AM
24°
Mist
8 AM
25°
Light rain shower
9 AM
26°
Patchy rain nearby
10 AM
26°
Light rain shower
11 AM
27°
Light rain shower
12 PM
27°
Light rain shower
1 PM
27°
Light rain shower
2 PM
27°
Light rain shower
3 PM
27°
Patchy rain nearby
4 PM
26°
Patchy rain nearby
5 PM
25°
Patchy rain nearby
6 PM
24°
Mist
7 PM
24°
Mist
8 PM
23°
Mist
9 PM
23°
Mist
10 PM
23°
Mist
11 PM
23°
Fog
3-Day Forecast
Daily overview for Rio Branco, Acre
Today
Moderate rain
27°
/
23°
🌧️ 85% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 9.4 km/h
🌧️ Total precip: 8.41 mm
☀️ UV Index: 9.5
🌅 Sunrise: 05:35 AM
🌇 Sunset: 05:26 PM
🌙 Waxing Crescent
🌑 Moon: 3% lit
Mon, Apr 20
Moderate rain
29°
/
22°
🌧️ 87% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 13.33 mm
☀️ UV Index: 9.6
🌅 Sunrise: 05:35 AM
🌇 Sunset: 05:25 PM
🌙 Waxing Crescent
🌑 Moon: 9% lit
Tue, Apr 21
Patchy rain nearby
28°
/
22°
🌧️ 87% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 4.3 km/h
🌧️ Total precip: 4.24 mm
☀️ UV Index: 11.7
🌅 Sunrise: 05:35 AM
🌇 Sunset: 05:25 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Best Time to Visit Rio Branco
Plan your trip to Rio Branco, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Rio Branco?
Current conditions in Rio Branco: Partly cloudy, temperature 23°C, humidity 100%.
What is the best time to visit Rio Branco?
The best time to visit Rio Branco is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Rio Branco?
Rio Branco is located at approximately -10° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Rio Branco?
The wettest period in Rio Branco is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Rio Branco?
For visits to Rio Branco during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What are the public holidays in Rio Branco in 2026?
View the 2026 public holidays for Rio Branco on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rio Branco?
The weather forecast for Rio Branco uses coordinates -9.9765, -67.8221.