May Weather in Santa Lucia, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Lucia, Mexico hovers around 20°C (68°F). However, be prepared for fluctuations, as it can dip to a cool 8°C (46°F) or soar to a warm 33°C (91°F). Expect about 52 mm (2.0 in) of precipitation spread over 9 days, coupled with an average humidity of 67%.

May Temperature in Santa Lucia

In May in Santa Lucia, the average temperature is 20°C (68°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 8°C (46°F). This pleasant climate makes Santa Lucia an ideal destination for travelers seeking mild weather and a variety of outdoor activities.

May Weather in Santa Lucia: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Lucia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia, May typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (46°F).

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

May Precipitation in Santa Lucia

In Santa Lucia in May, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

May Precipitation Trends in Santa Lucia

The chart displays monthly precipitation patterns in Santa Lucia, 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 Santa Lucia, May typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 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 Santa Lucia

In Santa Lucia in May humidity is 67%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, as the air clings to your skin and invites you to enjoy the sights at a leisurely pace.

May Average Humidity in Santa Lucia

This chart illustrates the average monthly humidity levels in Santa Lucia, 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 Santa Lucia is approximately 67%, 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 Santa Lucia

In Santa Lucia in May, 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 Santa Lucia.

Maximum UV Index Levels in Santa Lucia for May

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

Data source: Santa Lucia 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 Santa Lucia Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	9 mm (0.4 inches)	74%	very high
February Weather	15°C (59°F)	12 mm (0.5 inches)	65%	extreme
March Weather	17°C (63°F)	17 mm (0.7 inches)	58%	extreme
April Weather	19°C (66°F)	25 mm (1.0 inches)	58%	extreme
May Weather	20°C (68°F)	52 mm (2.0 inches)	67%	extreme
June Weather	18°C (65°F)	174 mm (6.9 inches)	76%	extreme
July Weather	17°C (63°F)	150 mm (5.9 inches)	67%	extreme
August Weather	17°C (64°F)	145 mm (5.7 inches)	68%	extreme
September Weather	17°C (62°F)	187 mm (7.3 inches)	81%	extreme
October Weather	16°C (61°F)	84 mm (3.3 inches)	83%	extreme
November Weather	14°C (57°F)	23 mm (0.9 inches)	84%	very high
December Weather	13°C (55°F)	5 mm (0.2 inches)	81%	very high