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May Weather in San Juan Colorado, Mexico

Last updated: August 27, 2025

In San Juan Colorado, Mexico, the average temperature in May hovers around a warm 28°C (82°F). Expect a minimum of 19°C (67°F) and a maximum that can soar to 37°C (100°F). During this time, you might experience 73 mm (2.9 in) of precipitation spread over 11 days, paired with a cozy average humidity of 73%.

May Temperature in San Juan Colorado

In May in San Juan Colorado, the average temperature is 28°C (82°F). Maximums can reach 37°C (100°F) and minimums can be as low as 19°C (67°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

May Weather in San Juan Colorado: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Juan Colorado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Colorado, May typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777780818278787777777777
Data source: Temperature data for San Juan Colorado 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 Juan Colorado

In San Juan Colorado in May, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

May Precipitation Trends in San Juan Colorado

The chart displays monthly precipitation patterns in San Juan Colorado, 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 Juan Colorado, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6266733592173553822782918
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Juan Colorado

In San Juan Colorado in May humidity is 73%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making traveling feel sticky and heavier; staying hydrated and taking breaks in the shade becomes essential.

May Average Humidity in San Juan Colorado

This chart illustrates the average monthly humidity levels in San Juan Colorado, 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 Juan Colorado 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 San Juan Colorado

In San Juan Colorado 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 San Juan Colorado, you can check here.

Maximum UV Index Levels in San Juan Colorado for May

The chart shows the monthly maximum UV Index (UVI) for San Juan Colorado 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 Juan Colorado typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1012131414141313131298
Data source: San Juan Colorado 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 Juan Colorado Compares to Other Months

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

This table compares monthly weather conditions in San Juan Colorado, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)6 mm (0.2 inches)65%very high
February Weather25°C (78°F)2 mm (0.1 inches)61%extreme
March Weather26°C (80°F)5 mm (0.2 inches)59%extreme
April Weather27°C (81°F)6 mm (0.2 inches)62%extreme
May Weather28°C (82°F)73 mm (2.9 inches)73%extreme
June Weather26°C (78°F)359 mm (14.1 inches)78%extreme
July Weather26°C (79°F)217 mm (8.6 inches)79%extreme
August Weather25°C (78°F)355 mm (14.0 inches)82%extreme
September Weather25°C (77°F)382 mm (15.0 inches)82%extreme
October Weather25°C (77°F)278 mm (10.9 inches)79%extreme
November Weather25°C (77°F)29 mm (1.1 inches)72%very high
December Weather25°C (77°F)18 mm (0.7 inches)70%very high

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