April Weather in Rio Segundo, Costa Rica

Last updated: August 23, 2025

In April, the average temperature in Rio Segundo, Costa Rica is a pleasant 21°C (69°F). Expect a range from a cool 14°C (58°F) at night to a warm 28°C (83°F) during the day. While you're enjoying this climate, be prepared for 113 mm (4.5 in) of precipitation spread over 22 days, contributing to an average humidity of 69%.

April Temperature in Rio Segundo

In April in Rio Segundo, the average temperature is 21°C (69°F). The maximum can reach 28°C (83°F), while the minimum can be as low as 14°C (58°F). This pleasant climate makes Rio Segundo an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

April Weather in Rio Segundo: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Rio Segundo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Segundo, April typically has an average temperature of 21°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (58°F).

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

April Precipitation in Rio Segundo

In Rio Segundo in April, the total precipitation amount is 113 mm (4.5 in), occurring over the course of 22 days.

April Precipitation Trends in Rio Segundo

The chart displays monthly precipitation patterns in Rio Segundo, 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 Rio Segundo, April typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 22 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Rio Segundo

In Rio Segundo in April, humidity is 69%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making travel somewhat uncomfortable as the air clings around you, urging you to seek shade and refreshment along your journey.

April Average Humidity in Rio Segundo

This chart illustrates the average monthly humidity levels in Rio Segundo, 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 Rio Segundo is approximately 69%, 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 Rio Segundo

In Rio Segundo 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 Rio Segundo.

Maximum UV Index Levels in Rio Segundo for April

The chart shows the monthly maximum UV Index (UVI) for Rio Segundo 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 Rio Segundo typically reaches 15, which falls under the extreme exposure category.

Data source: Rio Segundo 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 Rio Segundo Compares to Other Months

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

This table compares monthly weather conditions in Rio Segundo, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	109 mm (4.3 inches)	71%	extreme
February Weather	19°C (66°F)	48 mm (1.9 inches)	70%	extreme
March Weather	19°C (67°F)	57 mm (2.2 inches)	68%	extreme
April Weather	21°C (69°F)	113 mm (4.5 inches)	69%	extreme
May Weather	21°C (70°F)	310 mm (12.2 inches)	70%	extreme
June Weather	21°C (70°F)	275 mm (10.8 inches)	81%	extreme
July Weather	21°C (69°F)	275 mm (10.8 inches)	88%	extreme
August Weather	21°C (70°F)	273 mm (10.7 inches)	85%	extreme
September Weather	21°C (70°F)	287 mm (11.3 inches)	84%	extreme
October Weather	21°C (69°F)	402 mm (15.8 inches)	82%	extreme
November Weather	20°C (68°F)	272 mm (10.7 inches)	81%	extreme
December Weather	19°C (67°F)	192 mm (7.6 inches)	74%	very high