Climate charts
Juan DolioDominican Republic

Juan Dolio Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Juan Dolio, Dominican Republic. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's explore the details to provide you with a complete overview.

Juan Dolio experiences significant rainfall throughout the year, averaging 1025 mm (40 in) of precipitation annually. However, this abundant rainfall is not evenly distributed, with a distinct dry season during certain months. You can clearly see this in our monthly precipitation graphs below.

Monthly Rainfall & Rainy Days

Monthly Precipitation Levels

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

The climate in Juan Dolio shows significant variation throughout the year. Expect 155 mm (6.1 in) of precipitation during the wettest month September, distributed over 15 rainy days.

In contrast, February offers drier and sunnier days, with around 32 mm (1.3 in) of rainfall over 11 rainy days.

September, the wettest month, has a maximum daytime temperature of 30°C (86°F). The city receives 218 hours of sunshine in this period. During the driest month February you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Juan Dolio Temperature page.

Daily Historical Precipitation

Average daily rainfall for each day of the month based on long-term records. 47-year average (1976-2025)

Average precipitation in September

Explore Juan Dolio's Historical Precipitation: 1976-2026

Browse day-by-day precipitation records for Juan Dolio spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

Annual Rainfall in the Dominican Republic: City Comparison

The map below shows the annual precipitation across the Dominican Republic. You can also select the different months in case you are interested in a specific month.

Avg day temp (°C)
32°

Juan Dolio vs World: Rainfall Compared

Juan Dolio's average annual precipitation is 1025 mm (40 in). Let's compare this to some popular worldwide tourist destinations:

In Lisbon, Portugal, the average annual precipitation is 774 mm (30 in), characterized by wet winters and dry summers typical of the Mediterranean climate.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

How is Precipitation Measured?

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.

How Does Precipitation Affect Local Climate?

Precipitation has a very strong role in determining the local climate and ecosystem:

  • 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.
Interesting weather facts

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

Juan Dolio Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Juan Dolio - and find the best time to visit.

Juan Dolio 3-Day Forecast

More climate data for Juan Dolio

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Where to go in September - average daytime high across popular destinations.

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