March Weather in Santo Domingo, Costa Rica

Last updated: August 23, 2025

In March, the average temperature in Santo Domingo, Costa Rica hovers around 21°C (70°F). Expect a minimum of 14°C (57°F) and a pleasant maximum of 28°C (83°F). You'll likely encounter about 15 mm (0.6 in) of precipitation over 4 days, while the average humidity rests at a comfortable 66%.

March Temperature in Santo Domingo

In March in Santo Domingo, the average temperature is 21°C (70°F). The maximum can reach 28°C (83°F) and the minimum can be as low as 14°C (57°F). This mild weather makes Santo Domingo an ideal destination for comfortable travel and outdoor adventures.

March Weather in Santo Domingo: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santo Domingo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Domingo, March typically has an average temperature of 21°C (70°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Santo Domingo generated using information from the Copernicus Climate Change Service.

March Precipitation in Santo Domingo

In Santo Domingo in March, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

March Precipitation Trends in Santo Domingo

The chart displays monthly precipitation patterns in Santo Domingo, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Santo Domingo, March typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Santo Domingo

In Santo Domingo in March humidity is 66%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making it comfortable for leisurely strolls but slightly sticky for longer excursions.

March Average Humidity in Santo Domingo

This chart illustrates the average monthly humidity levels in Santo Domingo, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Santo Domingo is approximately 66%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santo Domingo

In Santo Domingo in March, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santo Domingo.

Maximum UV Index Levels in Santo Domingo for March

The chart shows the monthly maximum UV Index (UVI) for Santo Domingo in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Santo Domingo typically reaches 15, which falls under the extreme exposure category.

Data source: Santo Domingo March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in Santo Domingo Compares to Other Months

Weather in Santo Domingo varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Santo Domingo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santo Domingo, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	32 mm (1.3 inches)	68%	extreme
February Weather	20°C (69°F)	13 mm (0.5 inches)	68%	extreme
March Weather	21°C (70°F)	15 mm (0.6 inches)	66%	extreme
April Weather	21°C (70°F)	79 mm (3.1 inches)	67%	extreme
May Weather	21°C (70°F)	391 mm (15.4 inches)	69%	extreme
June Weather	21°C (70°F)	351 mm (13.8 inches)	84%	extreme
July Weather	21°C (69°F)	233 mm (9.2 inches)	85%	extreme
August Weather	20°C (69°F)	331 mm (13.0 inches)	82%	extreme
September Weather	20°C (69°F)	436 mm (17.2 inches)	81%	extreme
October Weather	20°C (68°F)	570 mm (22.4 inches)	80%	extreme
November Weather	20°C (68°F)	209 mm (8.2 inches)	80%	extreme
December Weather	20°C (68°F)	63 mm (2.5 inches)	72%	very high