Zamboanga City Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Zamboanga City, Zamboanga del Sur, Philippines. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Zamboanga City has a relatively rainy climate with high precipitation levels, averaging 2062 mm (81 in) of rainfall annually. Despite the high annual total, it does experience a distinct rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Precipitation Levels

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

The seasons in Zamboanga City, bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 245 mm (9.6 in) of precipitation. This rainfall is distributed across 16 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 108 mm (4.3 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

June, the wettest month, has a maximum daytime temperature of 29°C (84°F). The city receives 166 hours of sunshine in this period. During the driest month February you can expect a temperature of 29°C (84°F). For more detailed insights into the city's temperatures, visit our Zamboanga City Temperature page.

Annual Rainfall in Philippines: City Comparison

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

Zamboanga City vs World: Rainfall Compared

Zamboanga City's average annual precipitation is 2062 mm (81 in). Let's compare this to some popular worldwide tourist destinations:

New York City, USA, receives 1276 mm (50 in) of rainfall annually, with precipitation evenly distributed throughout the year.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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.

Climate change is affecting precipitation patterns worldwide, including Zamboanga City:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• 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 Zamboanga City's weather, including sunshine hours, humidity levels, and temperature data, visit our Zamboanga City Climate page.