ClimateForecastJanuaryFebruary >>

Rondonia weather in January

Planning a journey to Rondonia this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Rondonia in January?

Rondonia is a region in Brazil. January in Rondonia generally has very warm temperatures, with heavy precipitation.

You can expect very warm maximum daytime temperatures of around 31°C and nighttime temperatures around 24°C in Porto Velho. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

In January, precipitation varies across different areas. From heavy rainfall in Ji-Paraná with an average of 277 mm to heavy rainfall in Cacoal with 314 mm.

To learn more about the conditions in specific areas of Rondonia in January, check out the map below. For more details on the yearly weather, visit our Rondonia climate page.

Where to go in Rondonia in January

Find more information for the most popular destinations in the Rondonia on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in January for the 5 most popular destinations in Rondonia?

Porto Velho

In January Porto Velho generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and heavy monthly rainfall. So on average the conditions are poor that month.

Porto Velho
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
24°C 
300 mm 
22 days 
poor 
31°C 
24°C 
311 mm 
24 days 
poor 
31°C 
24°C 
355 mm 
22 days 
poor 
Climate in Porto Velho

Ariquemes

In January Ariquemes generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Ariquemes
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
32°C 
23°C 
261 mm 
20 days 
poor 
31°C 
23°C 
297 mm 
22 days 
poor 
31°C 
23°C 
320 mm 
21 days 
poor 
Climate in Ariquemes

Ji-Paraná

In January Ji-Paraná generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Ji-Paraná
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
23°C 
258 mm 
18 days 
poor 
31°C 
23°C 
277 mm 
21 days 
poor 
30°C 
23°C 
298 mm 
19 days 
poor 
Climate in Ji-Paraná

Vilhena

In January Vilhena generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 21°C and heavy monthly rainfall. So on average the conditions are poor that month.

Vilhena
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
30°C 
21°C 
276 mm 
17 days 
poor 
29°C 
21°C 
283 mm 
19 days 
poor 
29°C 
21°C 
318 mm 
18 days 
poor 
Climate in Vilhena

Cacoal

In January Cacoal generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Cacoal
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
31°C 
23°C 
285 mm 
17 days 
poor 
31°C 
23°C 
314 mm 
20 days 
poor 
30°C 
22°C 
333 mm 
19 days 
poor 
Climate in Cacoal

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

Is January the best time to visit Rondonia?

In our opinion, January may not be the ideal time to visit Rondonia due to the typically poor weather in Porto Velho.

On average, the best time to visit Rondonia is in July with generally perfect weather in Porto Velho. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Rondonia. Interested in the weather conditions in a specific month? Select the month below.

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