Turrialba Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Turrialba, Cartago, Costa Rica. 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.
Turrialba has a relatively rainy climate with high precipitation levels, averaging 3308 mm (130 in) of rainfall annually.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Significant seasonal changes in precipitation occur throughout the year. During the wettest month, October receives substantial rainfall, averaging 465 mm (18 in) of precipitation, recorded across 23 rainy days.
In contrast, the driest month, March brings less rainfall, with 126 mm (5 in) over 9 rainy days.
October, the wettest month, has a maximum daytime temperature of 24°C (75°F). The city receives 162 hours of sunshine in this period. During the driest month March you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our Turrialba Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 43-year average (1976-2025)
Average precipitation in August
Explore Turrialba's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Turrialba 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.
Turrialba vs World: Rainfall Compared
Turrialba's average annual precipitation is 3308 mm (130 in). Let's compare this to some popular worldwide tourist destinations:
Athens, Greece, receives an average annual precipitation of 400 mm (16 in), making it one of the drier Mediterranean climates with rainfall mostly in winter.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
Perth, Australia, receives 565 mm (22 in) of rainfall annually, mostly during the winter months.
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.
- Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
- In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) per year, with some years recording virtually no rainfall.
- Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.
For more detailed information about Turrialba's weather, including sunshine hours, humidity levels, and temperature data, visit our Turrialba Climate page.
Turrialba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Turrialba - and find the best time to visit.
Turrialba 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Turrialba climate overview or explore weather in Costa Rica.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Where the rain forest meets the ocean
I promise that you will not find a better location, better views, nicer rooms or lovelier staff anywhere in Costa Rica. This place really goes above and beyond.
Exploring Santa Teresa, Costa Rica: A Traveler's Guide
Immerse yourself in the laid-back charm of Santa Teresa, Costa Rica. Discover stunning beaches, vibrant dining spots, unique shops, and diverse activities in our comprehensive guide
Envision Festival
This event happens once a year in Uvita de Puntarenas and attracts people from all over the world. This festival is a must add to your bucket list.
Costa Rica Is Top Of The Happy Planet Index: Here's Why
Costa Rica has been crowned top of The Happy Planet Index — officially becoming the happiest, greenest country in the world. But what is it that makes this small but mighty Central American country so amazing?