March Weather in Costa Rica, Brazil

Last updated: August 22, 2025

In March, the average temperature in Costa Rica, Brazil is a pleasant 25°C (77°F), making it an ideal time to visit. However, be prepared for temperature fluctuations, as the minimum can drop to 14°C (58°F) and maxima can reach a sweltering 36°C (97°F). During this month, you can expect about 146 mm (5.8 in) of precipitation spread over 13 days, contributing to an average humidity of 82%. Pack accordingly to enjoy everything this destination has to offer!

March Temperature in Costa Rica

In March in Costa Rica, the average temperature is 25°C (77°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 14°C (58°F). This weather is ideal for exploring the outdoors, making it a perfect time for travelers to enjoy all that Costa Rica has to offer.

March Weather in Costa Rica: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Costa Rica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costa Rica, March typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

March Precipitation in Costa Rica

In Costa Rica in March, the precipitation amount is 146 mm (5.8 in) spread over 13 days.

March Precipitation Trends in Costa Rica

The chart displays monthly precipitation patterns in Costa Rica, 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 Costa Rica, March typically receives around 146 mm (5.8 inches) of precipitation spread over approximately 13 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 Costa Rica

In Costa Rica in March, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

March Average Humidity in Costa Rica

This chart illustrates the average monthly humidity levels in Costa Rica, 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 Costa Rica is approximately 82%, 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 Costa Rica

In Costa Rica in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Costa Rica.

Maximum UV Index Levels in Costa Rica for March

The chart shows the monthly maximum UV Index (UVI) for Costa Rica 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 Costa Rica typically reaches 13, which falls under the extreme exposure category.

Data source: Costa Rica 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 Costa Rica Compares to Other Months

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

This table compares monthly weather conditions in Costa Rica, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	160 mm (6.3 inches)	85%	extreme
February Weather	25°C (78°F)	131 mm (5.1 inches)	83%	extreme
March Weather	25°C (77°F)	146 mm (5.8 inches)	82%	extreme
April Weather	23°C (73°F)	63 mm (2.5 inches)	76%	extreme
May Weather	20°C (68°F)	98 mm (3.9 inches)	67%	very high
June Weather	18°C (65°F)	88 mm (3.5 inches)	61%	high
July Weather	18°C (64°F)	23 mm (0.9 inches)	52%	high
August Weather	20°C (68°F)	94 mm (3.7 inches)	42%	very high
September Weather	24°C (75°F)	57 mm (2.2 inches)	42%	extreme
October Weather	24°C (76°F)	176 mm (6.9 inches)	43%	extreme
November Weather	25°C (77°F)	100 mm (3.9 inches)	68%	extreme
December Weather	26°C (78°F)	216 mm (8.5 inches)	84%	extreme