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May Weather in San Lucas el Viejo, Mexico

Last updated: August 27, 2025

In May, the average temperature in San Lucas el Viejo, Mexico hovers around 20°C (68°F). Expect a minimum chill of 8°C (47°F) and a warm maximum reaching 33°C (91°F). Rainfall can be significant, with an average precipitation of 103 mm (4.1 in) spread across 15 days, contributing to a high average humidity of 77%.

May Temperature in San Lucas el Viejo

In May in San Lucas el Viejo, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop as low as 8°C (47°F). This mild climate makes San Lucas el Viejo an ideal destination for travelers seeking comfortable weather and the opportunity to explore the outdoors.

May Weather in San Lucas el Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Lucas el Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lucas el Viejo, 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 (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec596265686866666665656260
Data source: Temperature data for San Lucas el Viejo 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 San Lucas el Viejo

In San Lucas el Viejo in May, the precipitation amount is 103 mm (4.1 in) during a span of 15 days.

May Precipitation Trends in San Lucas el Viejo

The chart displays monthly precipitation patterns in San Lucas el Viejo, 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 San Lucas el Viejo, May typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec33133710320911315323185162
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Lucas el Viejo

In San Lucas el Viejo in May, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

May Average Humidity in San Lucas el Viejo

This chart illustrates the average monthly humidity levels in San Lucas el Viejo, 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 San Lucas el Viejo 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 San Lucas el Viejo

In San Lucas el Viejo 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 San Lucas el Viejo.

Maximum UV Index Levels in San Lucas el Viejo for May

The chart shows the monthly maximum UV Index (UVI) for San Lucas el Viejo 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 San Lucas el Viejo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141412109
Data source: San Lucas el Viejo 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 San Lucas el Viejo Compares to Other Months

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

This table compares monthly weather conditions in San Lucas el Viejo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)3 mm (0.1 inches)84%very high
February Weather17°C (62°F)3 mm (0.1 inches)78%extreme
March Weather18°C (65°F)13 mm (0.5 inches)75%extreme
April Weather20°C (68°F)37 mm (1.4 inches)70%extreme
May Weather20°C (68°F)103 mm (4.1 inches)77%extreme
June Weather19°C (66°F)209 mm (8.2 inches)76%extreme
July Weather19°C (66°F)113 mm (4.4 inches)68%extreme
August Weather19°C (67°F)153 mm (6.0 inches)70%extreme
September Weather19°C (66°F)231 mm (9.1 inches)82%extreme
October Weather18°C (65°F)85 mm (3.3 inches)91%extreme
November Weather17°C (63°F)16 mm (0.6 inches)89%very high
December Weather15°C (60°F)2 mm (0.1 inches)88%very high

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