Altamira Weather & Climate: Best Time to Visit

In Altamira temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 35°C (95°F) in September to a very warm 31°C (88°F) in February.

Nighttime temperatures range from 24°C (75°F) in September to 23°C (73°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Altamira experiences significant rainfall throughout the year, averaging 2003 mm (79 in) of precipitation annually. The seasons in Altamira bring significant changes in precipitation. The wettest month, March, receives heavy rainfall, with an average of 343 mm (14 in) of precipitation. This rainfall is distributed across 29 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 39 mm (1.5 in) over 13 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Altamira Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Altamira, summer days are longer and more sunny, with daily sunshine hours peaking at 6.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 2.7 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in March, reaching 88%. In October, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year