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Rio Branco Weather in May
May in Rio Branco brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 86 mm (3.4 in), so pack an umbrella.
Rainfall in Rio Branco in May
Climate statistics over the past 30 years suggest around 12 days of rain, with 86 mm (3.4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Rio Branco in May
Daytime temperatures in Rio Branco reach 31°C (88°F) in May, dropping to 21°C (70°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors. This month brings slightly cooler weather compared to other months, but the warmth is still present and enjoyable.
Sunshine in Rio Branco in May
You can expect a moderate amount of sunlight, with approximately 157 hours. This means a pleasant mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, May, June and July typically offer the best circumstances for Rio Branco.
Rio Branco Temperature in May
Min Temperature
21°C (70°F)
Max Temperature
31°C (88°F)
Chance of Rain
40%
Precipitation
86 mm (3.4 in)
Rainy days
12 days
Humidity
86%
Sunshine
157 hours
Percentage Sunshine
Rio Branco Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Branco - and find the best time to visit.
Best Places in Brazil in May
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rio Branco in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Rio Branco in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Rio Branco 3-Day Forecast
More climate data for Rio Branco
Temperature Rainfall Sunshine Humidity
See the full Rio Branco climate overview or explore weather in Brazil.
Popular in May
Where to go in May - average daytime high across popular destinations.
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