May Weather in Sardinal, Costa Rica

Last updated: August 23, 2025

In Sardinal, Costa Rica, the average temperature in May is a warm 27°C (82°F). Expect a minimum of 24°C (76°F) and a peak of 33°C (91°F) during this time. With 233 mm (9.2 in) of precipitation spread over 21 days, be prepared for some rainy spells, while the average humidity hovers around 63%. Enjoy the vibrant atmosphere that comes with this season!

May Temperature in Sardinal

In May in Sardinal, the average temperature is 27°C (82°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 24°C (76°F). This mild weather makes it an ideal time for travelers to explore the area and enjoy outdoor activities.

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

The chart illustrates May temperature patterns in Sardinal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sardinal, May typically has an average temperature of 27°C (82°F), with highs reaching up to 33°C (91°F) and lows dropping to around 24°C (76°F).

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

May Precipitation in Sardinal

In Sardinal in May, the total precipitation amount is 233 mm (9.2 in) over the course of 21 days.

May Precipitation Trends in Sardinal

The chart displays monthly precipitation patterns in Sardinal, 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 Sardinal, May typically receives around 233 mm (9.2 inches) of precipitation spread over approximately 21 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 Sardinal

In Sardinal in May, humidity is 63%. With an average temperature of 27°C (82°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so travelers will want to stay hydrated and take breaks in the shade.

May Average Humidity in Sardinal

This chart illustrates the average monthly humidity levels in Sardinal, 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 Sardinal is approximately 63%, 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 Sardinal

In Sardinal 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 Sardinal, you can check here.

Maximum UV Index Levels in Sardinal for May

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

Data source: Sardinal 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 Sardinal Compares to Other Months

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

This table compares monthly weather conditions in Sardinal, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	5 mm (0.2 inches)	66%	extreme
February Weather	27°C (81°F)	1 mm (0.0 inches)	64%	extreme
March Weather	27°C (82°F)	1 mm (0.0 inches)	63%	extreme
April Weather	28°C (83°F)	24 mm (1.0 inches)	63%	extreme
May Weather	27°C (82°F)	233 mm (9.2 inches)	63%	extreme
June Weather	27°C (81°F)	224 mm (8.8 inches)	74%	extreme
July Weather	27°C (82°F)	99 mm (3.9 inches)	85%	extreme
August Weather	27°C (81°F)	207 mm (8.1 inches)	82%	extreme
September Weather	27°C (80°F)	218 mm (8.6 inches)	80%	extreme
October Weather	26°C (80°F)	357 mm (14.1 inches)	79%	extreme
November Weather	27°C (80°F)	132 mm (5.2 inches)	79%	extreme
December Weather	27°C (80°F)	13 mm (0.5 inches)	70%	very high