March Weather in Arenal, Honduras

Last updated: August 23, 2025

In March, the average temperature in Arenal, Honduras is a pleasant 23°C (73°F). Expect minimums dipping to 13°C (56°F) and soaring highs of 35°C (95°F). You'll also experience 25 mm (1.0 in) of precipitation spread over about 5 days, while the average humidity hovers around 67%. This mix of warmth and moisture makes for a vibrant climate perfect for exploration!

March Temperature in Arenal

In March in Arenal, the average temperature is 23°C (73°F). Maximums can reach 35°C (95°F) and minimums can be as low as 13°C (56°F). Be prepared for warm weather during your travels, but don't forget to pack a light jacket for cooler evenings.

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 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (56°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 is 25 mm (1.0 in) over a span of 5 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 25 mm (1.0 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Arenal

In Arenal in March humidity is 67%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket that makes the air feel thick and slightly sticky, which can be challenging for travelers who prefer cooler, drier conditions.

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 67%, 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	21°C (69°F)	37 mm (1.5 inches)	78%	extreme
February Weather	22°C (71°F)	23 mm (0.9 inches)	74%	extreme
March Weather	23°C (73°F)	25 mm (1.0 inches)	67%	extreme
April Weather	25°C (77°F)	37 mm (1.4 inches)	61%	extreme
May Weather	25°C (78°F)	126 mm (5.0 inches)	59%	extreme
June Weather	25°C (77°F)	131 mm (5.2 inches)	61%	extreme
July Weather	24°C (76°F)	99 mm (3.9 inches)	68%	extreme
August Weather	24°C (76°F)	122 mm (4.8 inches)	70%	extreme
September Weather	24°C (76°F)	125 mm (4.9 inches)	75%	extreme
October Weather	23°C (74°F)	205 mm (8.1 inches)	81%	extreme
November Weather	22°C (71°F)	127 mm (5.0 inches)	82%	very high
December Weather	21°C (69°F)	49 mm (1.9 inches)	75%	very high