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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Rio Branco's climate page.

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  

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.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Rio Branco's climate page.

More climate data for Rio Branco

Temperature Rainfall Sunshine Humidity

See the full Rio Branco climate overview or explore weather in Brazil.