March Weather in Arenal, Colombia

Last updated: August 23, 2025

In March, the average temperature in Arenal, Colombia reaches a warm 30°C (86°F), with daily highs soaring to 39°C (103°F) and lows dipping to 22°C (73°F). This month sees an average precipitation of 54 mm (2.1 in) spread over about 8 days, contributing to an overall humidity level of 45%. Enjoy the summer vibes while staying cool and hydrated!

March Temperature in Arenal

In March in Arenal, the average temperature is 30°C (86°F). Maximum can reach 39°C (103°F), and minimum can be as low as 22°C (73°F). This warm climate makes it an ideal destination for travelers seeking sunny weather and outdoor activities.

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

The chart illustrates March temperature patterns in Arenal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenal, March typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (103°F) and lows dropping to around 22°C (73°F).

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

March Precipitation in Arenal

In Arenal in March, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

March Precipitation Trends in Arenal

The chart displays monthly precipitation patterns in Arenal, 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 Arenal, March typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 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 Arenal

In Arenal in March humidity is 45%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

March Average Humidity in Arenal

This chart illustrates the average monthly humidity levels in Arenal, 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 Arenal is approximately 45%, 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 Arenal

In Arenal 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 Arenal, you can check here.

Maximum UV Index Levels in Arenal for March

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

Data source: Arenal 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 Arenal Compares to Other Months

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

This table compares monthly weather conditions in Arenal, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (84°F)	22 mm (0.9 inches)	51%	extreme
February Weather	30°C (86°F)	5 mm (0.2 inches)	47%	extreme
March Weather	30°C (86°F)	54 mm (2.1 inches)	45%	extreme
April Weather	28°C (83°F)	171 mm (6.7 inches)	46%	extreme
May Weather	28°C (82°F)	272 mm (10.7 inches)	62%	extreme
June Weather	28°C (82°F)	192 mm (7.6 inches)	81%	extreme
July Weather	28°C (83°F)	136 mm (5.3 inches)	87%	extreme
August Weather	28°C (83°F)	187 mm (7.4 inches)	83%	extreme
September Weather	27°C (82°F)	193 mm (7.6 inches)	83%	extreme
October Weather	27°C (81°F)	205 mm (8.1 inches)	85%	extreme
November Weather	27°C (81°F)	181 mm (7.1 inches)	83%	extreme
December Weather	28°C (82°F)	39 mm (1.5 inches)	65%	very high