Playa Avellana Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Playa Avellana, Costa Rica. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.
Playa Avellana has a notably wet climate with abundant precipitation, recording 1917 mm (75 in) of rainfall per year. It does, however, have a distinct dry and rainy season during certain months. Have a look at our detailed charts below to see how precipitation varies throughout the year.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The seasons in Playa Avellana, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 363 mm (14 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 3.8 mm (0.1 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.October, the wettest month, has a maximum daytime temperature of 30°C (86°F). The city receives 171 hours of sunshine in this period. During the driest month February you can expect a temperature of 33°C (91°F). For more detailed insights into the city's temperatures, visit our Playa Avellana Temperature page.
Daily Historical Precipitation
32-year average (1987-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Explore Playa Avellana's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Playa Avellana 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
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Playa Avellana vs World: Rainfall Compared
Playa Avellana's average annual precipitation is 1917 mm (75 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
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.
Climate change is affecting precipitation patterns worldwide, including Playa Avellana:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- "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 Playa Avellana's weather, including sunshine hours, humidity levels, and temperature data, visit our Playa Avellana Climate page.
