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May Weather in Las Cruces, Mexico

Last updated: August 27, 2025

In May, the average temperature in Las Cruces, Mexico hovers around 28°C (83°F). Temperatures can dip to a cool 17°C (64°F), while occasionally soaring to a sweltering 39°C (102°F). Expect an average humidity of 73%, accompanied by 38 mm (1.5 in) of precipitation spread over approximately 7 days.

May Temperature in Las Cruces

In May in Las Cruces, the average temperature is 28°C (83°F). The maximum can reach 39°C (102°F), while the minimum can be as low as 17°C (64°F). It's a perfect time for travelers to enjoy warm weather while also having the option to cool down in the evenings.

May Weather in Las Cruces: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Las Cruces, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Cruces, May typically has an average temperature of 28°C (83°F), with highs reaching up to 39°C (102°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec767880828279797877777775
Data source: Temperature data for Las Cruces 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 Las Cruces

In Las Cruces in May, the precipitation amount is 38 mm (1.5 in) over the course of 7 days.

May Precipitation Trends in Las Cruces

The chart displays monthly precipitation patterns in Las Cruces, 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 Las Cruces, May typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5422382832293874323487326
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Las Cruces

In Las Cruces in May, humidity is 73%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping your skin, making travel feel heavy and stifling, often requiring frequent breaks in shaded or air-conditioned areas to stay comfortable.

May Average Humidity in Las Cruces

This chart illustrates the average monthly humidity levels in Las Cruces, 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 Las Cruces is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Las Cruces

In Las Cruces 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 Las Cruces, you can check here.

Maximum UV Index Levels in Las Cruces for May

The chart shows the monthly maximum UV Index (UVI) for Las Cruces 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 Las Cruces typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011141314141413141298
Data source: Las Cruces 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 Las Cruces Compares to Other Months

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

This table compares monthly weather conditions in Las Cruces, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)5 mm (0.2 inches)65%very high
February Weather25°C (78°F)4 mm (0.1 inches)61%extreme
March Weather27°C (80°F)2 mm (0.1 inches)59%extreme
April Weather28°C (82°F)2 mm (0.1 inches)62%extreme
May Weather28°C (83°F)38 mm (1.5 inches)73%extreme
June Weather26°C (79°F)283 mm (11.1 inches)78%extreme
July Weather26°C (79°F)229 mm (9.0 inches)79%extreme
August Weather25°C (78°F)387 mm (15.2 inches)82%extreme
September Weather25°C (77°F)431 mm (17.0 inches)82%extreme
October Weather25°C (77°F)348 mm (13.7 inches)79%extreme
November Weather25°C (77°F)73 mm (2.9 inches)72%very high
December Weather24°C (76°F)26 mm (1.0 inches)70%very high

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