Altamira Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Altamira, Pará, Brazil. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Altamira has a notably wet climate with abundant precipitation, recording 2003 mm (79 in) of rainfall per year. It does, however, have a distinct rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Altamira can be quite wet during March, receiving approximately 343 mm (14 in) of precipitation over 29 rainy days.

In contrast August, experiences much drier conditions, with 39 mm (1.5 in) of rainfall, spread across 13 rainy days.

March, the wettest month, has a maximum daytime temperature of 31°C (88°F). The city receives 93 hours of sunshine in this period. During the driest month August you can expect a temperature of 34°C (93°F). For more detailed insights into the city's temperatures, visit our Altamira Temperature page.

Annual Rainfall in Brazil: City Comparison

The map below shows the annual precipitation across Brazil. You can also select the different months in case you are interested in a specific month.

Altamira vs World: Rainfall Compared

Altamira's average annual precipitation is 2003 mm (79 in). Let's compare this to some popular worldwide tourist destinations:

The climate in San Francisco, USA, is influenced by coastal weather, with 469 mm (18 in) of rainfall mostly during the winter months.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Altamira's weather, including sunshine hours, humidity levels, and temperature data, visit our Altamira Climate page.