Puntarenas Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Puntarenas, Puntarenas, Costa Rica. 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.
Puntarenas has a relatively rainy climate with high precipitation levels, averaging 2952 mm (116 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))
The seasons in Puntarenas, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 461 mm (18 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 20 mm (0.8 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.October, the wettest month, has a maximum daytime temperature of 29°C (84°F). The city receives 167 hours of sunshine in this period. During the driest month February you can expect a temperature of 32°C (90°F). For more detailed insights into the city's temperatures, visit our Puntarenas Temperature page.
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Explore Puntarenas's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Puntarenas spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Costa Rica: City Comparison
The map below shows the annual precipitation across Costa Rica. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Puntarenas vs World: Rainfall Compared
Puntarenas's average annual precipitation is 2952 mm (116 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.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
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.
- 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 Puntarenas's weather, including sunshine hours, humidity levels, and temperature data, visit our Puntarenas Climate page.
