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May Weather in Santa Lucia, Mexico

Last updated: August 27, 2025

In Santa Lucia, Mexico, the average temperature in May hovers around 18°C (64°F), with minimums dipping to 7°C (46°F) and maximums reaching 29°C (84°F). Expect a precipitation total of 226 mm (8.9 in) spread over approximately 20 days, contributing to an average humidity level of 77%.

May Temperature in Santa Lucia

In May in Santa Lucia, the average temperature is 18°C (64°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 7°C (46°F). This pleasant weather makes Santa Lucia a great destination for travelers looking to enjoy mild temperatures and 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 18°C (64°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec555862646463626262615855
Data source: Temperature data for Santa Lucia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Santa Lucia

In Santa Lucia in May, the precipitation amount is 226 mm (8.9 in) spread over 20 days, indicating a relatively wet period for the region.

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 226 mm (8.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec9133557226456340422395228588
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Lucia

In Santa Lucia in May humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec10121515151414141512109
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.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)9 mm (0.4 inches)84%very high
February Weather15°C (59°F)13 mm (0.5 inches)78%extreme
March Weather17°C (62°F)35 mm (1.4 inches)75%extreme
April Weather18°C (64°F)57 mm (2.2 inches)70%extreme
May Weather18°C (64°F)226 mm (8.9 inches)77%extreme
June Weather17°C (63°F)456 mm (18.0 inches)76%extreme
July Weather17°C (62°F)340 mm (13.4 inches)68%extreme
August Weather17°C (62°F)422 mm (16.6 inches)70%extreme
September Weather16°C (62°F)395 mm (15.5 inches)82%extreme
October Weather16°C (61°F)228 mm (9.0 inches)91%extreme
November Weather14°C (58°F)58 mm (2.3 inches)89%very high
December Weather13°C (56°F)8 mm (0.3 inches)88%very high

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