Manzanillo Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Manzanillo, Puntarenas, Costa Rica. Long-term data from 1990 to 2020 was used to calculate these averages. Let's now guide you through the details for a complete overview.

Manzanillo experiences significant rainfall throughout the year, averaging 2485 mm (98 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry and rainy season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Precipitation Levels

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

The seasons in Manzanillo, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 422 mm (17 in) of precipitation. This rainfall is distributed across 21 rainy days.

October, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 167 hours of sunshine in this period. During the driest month February you can expect a temperature of 30°C (86°F). For more detailed insights into the city's temperatures, visit our Manzanillo Temperature page.

Manzanillo's average annual precipitation is 2485 mm (98 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.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

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.

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