Rondônia Weather in July

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

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Porto Velho Ariquemes Ji-Paraná Vilhena

Planning a getaway to Rondônia, Brazil this July and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Rondônia in July

Rondônia, Brazil is a region in Brazil. July in Rondônia generally has very warm temperatures, with low precipitation.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in Vilhena to 35°C (95°F) in Ariquemes. Nighttime temperatures generally drop to 21°C (70°F) in Ariquemes and 18°C (64°F) in Vilhena. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

For a closer look at conditions across Rondônia, Brazil, refer to the map below.

Precipitation

In July, precipitation varies across different areas. From low rainfall in Vilhena with an average of 10 mm (0.4 in) to low rainfall in Porto Velho with 24 mm (0.9 in). In Porto Velho, this particular month consistently records the lowest levels of rainfall, making it the driest period throughout the entire year.

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) This monthJune32°C (90°F) July33°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 July

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 July for some of the most popular destinations in Rondônia, Brazil?

Temperature range in Rondônia (July)

Precipitation variation in Rondônia (July)

Porto Velho

In July Porto Velho generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 22°C (72°F) and low monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
32°C (90°F)
33°C (91°F)
35°C (95°F)
Min temperature
23°C (73°F)
22°C (72°F)
23°C (73°F)
Monthly rainfall
49 mm (1.9 in)
24 mm (0.9 in)
44 mm (1.7 in)
Monthly rainy days
9 days
8 days
6 days
Weather conditions
pleasant
perfect
unpleasant
Climate in Porto Velho →

Ariquemes

In July Ariquemes 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 tolerable that month.

« June
July
August »
June
July
August
Max temperature
33°C (91°F)
35°C (95°F)
36°C (97°F)
Min temperature
21°C (70°F)
21°C (70°F)
22°C (72°F)
Monthly rainfall
25 mm (1 in)
16 mm (0.6 in)
35 mm (1.4 in)
Monthly rainy days
7 days
6 days
5 days
Weather conditions
perfect
tolerable
poor
Climate in Ariquemes →

Ji-Paraná

In July Ji-Paraná generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 21°C (70°F) and low monthly rainfall. So on average the conditions are pleasant that month.

« June
July
August »
June
July
August
Max temperature
32°C (90°F)
34°C (93°F)
35°C (95°F)
Min temperature
21°C (70°F)
21°C (70°F)
22°C (72°F)
Monthly rainfall
21 mm (0.8 in)
12 mm (0.5 in)
24 mm (0.9 in)
Monthly rainy days
7 days
5 days
4 days
Weather conditions
perfect
pleasant
tolerable
Climate in Ji-Paraná →

Vilhena

In July Vilhena generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
30°C (86°F)
31°C (88°F)
33°C (91°F)
Min temperature
19°C (66°F)
18°C (64°F)
20°C (68°F)
Monthly rainfall
17 mm (0.7 in)
10 mm (0.4 in)
24 mm (0.9 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Vilhena →

Cacoal

In July Cacoal 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 perfect that month.

« June
July
August »
June
July
August
Max temperature
32°C (90°F)
33°C (91°F)
35°C (95°F)
Min temperature
20°C (68°F)
20°C (68°F)
21°C (70°F)
Monthly rainfall
18 mm (0.7 in)
11 mm (0.4 in)
26 mm (1 in)
Monthly rainy days
6 days
4 days
3 days
Weather conditions
perfect
perfect
tolerable
Climate in Cacoal →

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

In our records: Brazil July extremes

Notable July records observed across cities in Brazil in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

Popular cities in July

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

City Weather Day temp Night temp Rainfall
Porto Velho 33°C (91°F) 22°C (72°F) 24 mm (0.9 in)
Ariquemes 35°C (95°F) 21°C (70°F) 16 mm (0.6 in)
Ji-Paraná 34°C (93°F) 21°C (70°F) 12 mm (0.5 in)
Vilhena 31°C (88°F) 18°C (64°F) 10 mm (0.4 in)
Cacoal 33°C (91°F) 20°C (68°F) 11 mm (0.4 in)
Rondônia 34°C (93°F) 21°C (70°F) 12 mm (0.5 in)

Rondônia weather in July: frequently asked questions

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

Expect tolerable weather across Rondônia, Brazil in July. The popular destination of Porto Velho averages 33°C (91°F) by day and 22°C (72°F) at night during this month.

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

Average temperatures in Rondônia, Brazil during July range from a nighttime low near 22°C (72°F) to a daytime high around 33°C (91°F) in Porto Velho.

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

July is on the drier side in Rondônia, Brazil. Porto Velho averages only about 24 mm (0.9 in), with most days staying dry.

Is July a Good Time to Visit Rondônia, Brazil?

We believe that July is one of the best times to visit Rondônia, Brazil with overall perfect weather in Porto Velho.

Generally speaking, the best visiting conditions can be found in June and July offering mostly tolerable weather in Porto Velho. In contrast, January, February, March, April, August, September, October, November and December tend to have poor weather conditions.

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.

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