Santa Ana Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Santa Ana, Luzon, Philippines. Long-term data from 1990 to 2020 was used to calculate these averages. Now, let's explore all the details to give you a full picture.

Santa Ana is known for its substantial rainfall, with annual precipitation reaching 2469 mm (97 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.

Monthly Precipitation Levels

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

The climate in Santa Ana shows significant variation throughout the year. Expect 330 mm (13 in) of precipitation during the wettest month December, distributed over 19 rainy days.

In contrast, April offers drier and sunnier days, with around 76 mm (3 in) of rainfall over 6 rainy days.

December, the wettest month, has a maximum daytime temperature of 27°C (81°F). During the driest month April you can expect a temperature of 29°C (84°F). For more detailed insights into the city's temperatures, visit our Santa Ana 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.

Annual

Annual

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Legend

heavy rainfall

high

moderate

low

almost none

Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Santa Ana vs World: Rainfall Compared

Santa Ana's average annual precipitation is 2469 mm (97 in). Let's compare this to some popular worldwide tourist destinations:

Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.

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

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

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.

How is Precipitation Measured?

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.

Interesting weather facts

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 Santa Ana's weather, including sunshine hours, humidity levels, and temperature data, visit our Santa Ana Climate page.

Current rainfall in Santa Ana

10-Day Forecast