March Weather in Laguna, Costa Rica

Last updated: August 23, 2025

In Laguna, Costa Rica, the average temperature in March is a pleasant 20°C (69°F). Expect a minimum temperature of 13°C (56°F) and highs reaching up to 28°C (82°F). Be prepared for some rain, as 38 mm (1.5 in) of precipitation is likely over 10 days. With an average humidity of 68%, it's the perfect time to enjoy the climate while staying comfortable!

March Temperature in Laguna

In March in Laguna, the average temperature is 20°C (69°F). Maximums can reach 28°C (82°F) and minimums can be as low as 13°C (56°F). This pleasant climate makes Laguna an ideal destination for travel during this time.

March Weather in Laguna: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Laguna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Laguna, March typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (82°F) and lows dropping to around 13°C (56°F).

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

March Precipitation in Laguna

In Laguna in March, the precipitation amount is 38 mm (1.5 in) over the course of 10 days.

March Precipitation Trends in Laguna

The chart displays monthly precipitation patterns in Laguna, 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 Laguna, March typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 10 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 Laguna

In Laguna in March, humidity is 68%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making outdoor exploration both refreshing and slightly sticky, requiring occasional breaks in the shade to stay comfortable while traveling.

March Average Humidity in Laguna

This chart illustrates the average monthly humidity levels in Laguna, 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 Laguna is approximately 68%, 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 Laguna

In Laguna in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Laguna, you can check here.

Maximum UV Index Levels in Laguna for March

The chart shows the monthly maximum UV Index (UVI) for Laguna 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 Laguna typically reaches 14, which falls under the extreme exposure category.

Data source: Laguna 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 Laguna Compares to Other Months

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

This table compares monthly weather conditions in Laguna, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	67 mm (2.7 inches)	71%	extreme
February Weather	20°C (68°F)	28 mm (1.1 inches)	70%	extreme
March Weather	20°C (69°F)	38 mm (1.5 inches)	68%	extreme
April Weather	21°C (71°F)	92 mm (3.6 inches)	69%	extreme
May Weather	21°C (71°F)	306 mm (12.0 inches)	70%	extreme
June Weather	21°C (71°F)	268 mm (10.6 inches)	81%	extreme
July Weather	21°C (70°F)	241 mm (9.5 inches)	88%	extreme
August Weather	21°C (70°F)	273 mm (10.8 inches)	85%	extreme
September Weather	21°C (70°F)	288 mm (11.3 inches)	84%	extreme
October Weather	21°C (69°F)	434 mm (17.1 inches)	82%	extreme
November Weather	20°C (69°F)	228 mm (9.0 inches)	81%	extreme
December Weather	20°C (68°F)	121 mm (4.7 inches)	74%	very high