May Weather in Roxana, Costa Rica

Last updated: August 23, 2025

In Roxana, Costa Rica, the average temperature in May hovers around 24°C (76°F), offering a pleasant climate. Temperatures canrange from a comfortable 19°C (66°F) to a warm 32°C (91°F). Expect 356 mm (14.0 in) of precipitation over approximately 28 days, and with an average humidity of 70%, be prepared for a bit of mugginess in the air.

May Temperature in Roxana

In May in Roxana, the average temperature is 24°C (76°F), with maximums reaching up to 32°C (91°F) and minimums dipping as low as 19°C (66°F). This mild and pleasant climate makes it an ideal destination for travelers seeking a comfortable escape.

May Weather in Roxana: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Roxana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roxana, May typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (91°F) and lows dropping to around 19°C (66°F).

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

May Precipitation in Roxana

In Roxana in May, the precipitation amount is 356 mm (14.0 in) over a duration of 28 days.

May Precipitation Trends in Roxana

The chart displays monthly precipitation patterns in Roxana, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Roxana, May typically receives around 356 mm (14.0 inches) of precipitation spread over approximately 28 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Roxana

In Roxana in May, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

May Average Humidity in Roxana

This chart illustrates the average monthly humidity levels in Roxana, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Roxana is approximately 70%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Roxana

In Roxana in May, 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 Roxana, you can check here.

Maximum UV Index Levels in Roxana for May

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

Data source: Roxana May 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 May Weather in Roxana Compares to Other Months

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

This table compares monthly weather conditions in Roxana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	203 mm (8.0 inches)	71%	extreme
February Weather	22°C (72°F)	86 mm (3.4 inches)	70%	extreme
March Weather	23°C (73°F)	93 mm (3.7 inches)	68%	extreme
April Weather	24°C (75°F)	120 mm (4.7 inches)	69%	extreme
May Weather	24°C (76°F)	356 mm (14.0 inches)	70%	extreme
June Weather	24°C (76°F)	269 mm (10.6 inches)	81%	extreme
July Weather	24°C (75°F)	286 mm (11.3 inches)	88%	extreme
August Weather	24°C (76°F)	203 mm (8.0 inches)	85%	extreme
September Weather	24°C (76°F)	192 mm (7.6 inches)	84%	extreme
October Weather	24°C (75°F)	405 mm (15.9 inches)	82%	extreme
November Weather	23°C (74°F)	334 mm (13.1 inches)	81%	extreme
December Weather	23°C (73°F)	320 mm (12.6 inches)	74%	very high