Rondônia Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Rondônia, Brazil in August.

🔎
Porto Velho Ariquemes Ji-Paraná Vilhena

Considering a trip to Rondônia, Brazil this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Rondônia in August

Rondônia, Brazil is a region in Brazil. August in Rondônia generally has temperatures that range from very warm to very hot, with precipitation levels ranging from low to moderate.

Temperatures

During the day the temperature is very warm in Vilhena at 33°C (91°F) and very hot in Ariquemes at 36°C (97°F). As night falls, temperatures generally drop to 22°C (72°F) in Ariquemes and 20°C (68°F) in Vilhena. In Rondônia, Brazil, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

For specific regional insights in Rondônia, Brazil, refer to the map provided below.

Precipitation

In August, precipitation varies across different areas. From low rainfall in Vilhena with an average of 24 mm (0.9 in) to moderate rainfall in Porto Velho with 44 mm (1.7 in).

Explore Rondônia by month

Pick a month to see the average temperature, rainfall and sunshine in Rondônia - and find the best time to visit. (based on Porto Velho)

January31°C (88°F) February31°C (88°F) March31°C (88°F) April31°C (88°F) May31°C (88°F) June32°C (90°F) This monthJuly33°C (91°F) August35°C (95°F) September34°C (93°F) October33°C (91°F) November32°C (90°F) December31°C (88°F)
Best Time to Visit Rondônia →

Best Places to Visit in Rondônia in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rondônia.

Conditions Temperatures Precipitation
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).

Popular Destinations in Rondônia

What is the weather like in August for some of the most popular destinations in Rondônia, Brazil?

Temperature range in Rondônia (August)

Precipitation variation in Rondônia (August)

Porto Velho

In August Porto Velho generally has very high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are mixed that month.

« July
August
September »
July
August
September
Max temperature
33°C (91°F)
35°C (95°F)
34°C (93°F)
Min temperature
22°C (72°F)
23°C (73°F)
24°C (75°F)
Monthly rainfall
24 mm (0.9 in)
44 mm (1.7 in)
105 mm (4.1 in)
Monthly rainy days
8 days
6 days
9 days
Weather conditions
excellent
mixed
mixed
Climate in Porto Velho →

Ariquemes

In August Ariquemes generally has extremely high temperatures with maximum daytime temperatures around 36°C (97°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

« July
August
September »
July
August
September
Max temperature
35°C (95°F)
36°C (97°F)
35°C (95°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly rainfall
16 mm (0.6 in)
35 mm (1.4 in)
93 mm (3.7 in)
Monthly rainy days
6 days
5 days
8 days
Weather conditions
good
less favorable
mixed
Climate in Ariquemes →

Ji-Paraná

In August Ji-Paraná generally has extremely high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are good that month.

« July
August
September »
July
August
September
Max temperature
34°C (93°F)
35°C (95°F)
35°C (95°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly rainfall
12 mm (0.5 in)
24 mm (0.9 in)
87 mm (3.4 in)
Monthly rainy days
5 days
4 days
7 days
Weather conditions
very good
good
mixed
Climate in Ji-Paraná →

Vilhena

In August Vilhena generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 20°C (68°F) and low monthly rainfall. So on average the conditions are excellent that month.

« July
August
September »
July
August
September
Max temperature
31°C (88°F)
33°C (91°F)
33°C (91°F)
Min temperature
18°C (64°F)
20°C (68°F)
21°C (70°F)
Monthly rainfall
10 mm (0.4 in)
24 mm (0.9 in)
89 mm (3.5 in)
Monthly rainy days
4 days
3 days
6 days
Weather conditions
excellent
excellent
very good
Climate in Vilhena →

Cacoal

In August Cacoal generally has very high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 21°C (70°F) and low monthly rainfall. So on average the conditions are good that month.

« July
August
September »
July
August
September
Max temperature
33°C (91°F)
35°C (95°F)
34°C (93°F)
Min temperature
20°C (68°F)
21°C (70°F)
23°C (73°F)
Monthly rainfall
11 mm (0.4 in)
26 mm (1 in)
90 mm (3.5 in)
Monthly rainy days
4 days
3 days
6 days
Weather conditions
excellent
good
good
Climate in Cacoal →

Is your destination not in the list? Have a look at all destinations in Rondônia, in Brazil.

Popular cities in August

Day & night temperatures, rainfall and average weather in Rondônia in August.

City Weather Day temp Night temp Rainfall
Porto Velho 35°C (95°F) 23°C (73°F) 44 mm (1.7 in)
Ariquemes 36°C (97°F) 22°C (72°F) 35 mm (1.4 in)
Ji-Paraná 35°C (95°F) 22°C (72°F) 24 mm (0.9 in)
Vilhena 33°C (91°F) 20°C (68°F) 24 mm (0.9 in)
Cacoal 35°C (95°F) 21°C (70°F) 26 mm (1 in)
Rondônia 35°C (95°F) 22°C (72°F) 25 mm (1 in)

Rondônia weather in August: frequently asked questions

What is the weather like in Rondônia, Brazil in August?

In August, Rondônia, Brazil generally has less favorable weather conditions. Porto Velho sees daytime temperatures near 35°C (95°F), with nights cooling to roughly 23°C (73°F).

What is the average temperature in Rondônia, Brazil in August?

Daytime temperatures in Porto Velho peak at roughly 35°C (95°F) in August, dropping to about 23°C (73°F) overnight.

Does Rondônia, Brazil get a lot of rain in August?

Rain is generally moderate to light in Rondônia, Brazil during August, with Porto Velho averaging close to 44 mm (1.7 in).

Is August a Good Time to Visit Rondônia, Brazil?

In our view, August might not be the best time to travel to Rondônia, Brazil with often mixed weather in Porto Velho.

Generally speaking, June and July provide good weather in Porto Velho. The weather in January, February, March, April, August, September, October, November and December, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Rondônia.

Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed historical weather averages for many cities in Brazil.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

The 10 most alternative cities in South America

Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil

Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro

Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls

Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.
Must visit in Brazil →