Zihuatanejo Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Zihuatanejo, Guerrero, Mexico. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.

Zihuatanejo has a relatively rainy climate with high precipitation levels, averaging 1209 mm (48 in) of rainfall annually. Despite the high annual total, it does experience a distinct dry and 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))

Zihuatanejo can be quite wet during September, receiving approximately 332 mm (13 in) of precipitation over 13 rainy days.

In contrast April, experiences much drier conditions, with 0.4 mm (0.02 in) of rainfall, spread across 0 rainy days.

September, the wettest month, has a maximum daytime temperature of 30°C (86°F). During the driest month April you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Zihuatanejo Temperature page.

Zihuatanejo's average annual precipitation is 1209 mm (48 in). Let's compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

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

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

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.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

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