Porto Velho Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Porto Velho experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very hot 36°C (97°F) in August to a very warm 31°C (88°F) in the coolest month, July.

Nights vary from 24°C (75°F) in August to around 22°C (72°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Porto Velho has a notably wet climate with abundant precipitation, recording 2369 mm (93 in) of rainfall per year. The climate in Porto Velho shows significant variation throughout the year. Expect heavy rainfall in February, the wettest month, with an average of 351 mm (14 in) of precipitation over 22 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 26 mm (1 in) 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

The average number of days each month with precipitation

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

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