Porto Velho Weather and Climate: A Comprehensive Guide
Porto Velho has relatively stable weather with very warm temperatures.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Porto Velho experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very hot 36°C in August to a very warm 31°C in the coolest month, July.
Nights are cooler, with lows often dropping to around 22°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Porto Velho has a notably wet climate with abundant precipitation, recording 2369 mm of rainfall per year. The climate in Porto Velho shows significant variation throughout the year. Expect heavy rainfall in February, with an average of 351 mm of precipitation over 22 rainy days.
In contrast, July offers drier and sunnier days, with around 26 mm of rainfall over 8 rainy days. For more details, please visit our Porto Velho Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Porto Velho serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 8.5 hours of sunshine daily, and embrace the darker days in February, offering only 3.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in January, reaching 89%. In July, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Porto Velho
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Porto Velho in Brazil
Porto Velho has high temperatures year round ranging between 30°C and 35°C.Other facts from our historical weather data:
August has an average maximum temperature of 36°C and is the hottest month of the year.
The coolest month is July with an average maximum temperature of 31°C.
February tops the wettest month list with 351 mm of rainfall.
July is the driest month with 26 mm of precipitation.
July is the sunniest month with an average of 256 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.