April Weather in Arenal, Colombia

Last updated: August 23, 2025

In April, the average temperature in Arenal, Colombia is a warm 28°C (83°F), with a minimum of 23°C (73°F) and a maximum reaching up to 37°C (99°F). Be prepared for some rain, as the precipitation averages 171 mm (6.7 in) spread over 21 days. The average humidity is a comfortable 46%, making it an inviting time to explore this vibrant destination!

April Temperature in Arenal

In April in Arenal, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 23°C (73°F). This warm climate makes it an ideal destination for beach lovers and those seeking sunshine.

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

The chart illustrates April 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, April typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 23°C (73°F).

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

April Precipitation in Arenal

In Arenal in April, the total precipitation amount is 171 mm (6.7 in) over a span of 21 days.

April Precipitation Trends in Arenal

The chart displays monthly precipitation patterns in Arenal, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Arenal, April typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 21 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Arenal

In Arenal in April, humidity is 46%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that makes outdoor activities enjoyable but may leave you feeling slightly sticky by midday, encouraging frequent breaks for hydration and a refreshing dip.

April Average Humidity in Arenal

This chart illustrates the average monthly humidity levels in Arenal, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Arenal is approximately 46%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Arenal

In Arenal in April, 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 Arenal.

Maximum UV Index Levels in Arenal for April

The chart shows the monthly maximum UV Index (UVI) for Arenal in April, 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 April, the maximum UV index in Arenal typically reaches 15, which falls under the extreme exposure category.

Data source: Arenal April 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 April 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 April’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 April’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