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May Weather in Julian Grajales (San Antonio), Mexico

Last updated: August 27, 2025

In Julian Grajales (San Antonio), Mexico, the average temperature in May hovers around 25°C (78°F). Expect a range from a cool 15°C (59°F) at night to a warm 36°C (98°F) during the day. With an average precipitation of 91 mm (3.6 in) spread over 15 days, it's wise to keep an umbrella handy. Relative humidity sits comfortably at 64%, making for a pleasant atmosphere throughout the month.

May Temperature in Julian Grajales (San Antonio)

In May in Julian Grajales (San Antonio), the average temperature is 25°C (78°F). The maximum can reach 36°C (98°F) and the minimum can be as low as 15°C (59°F). This warm climate makes it a great destination for travelers seeking pleasant weather and outdoor activities.

May Weather in Julian Grajales (San Antonio): Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Julian Grajales (San Antonio), showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Julian Grajales (San Antonio), May typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec677072767775757574737068
Data source: Temperature data for Julian Grajales (San Antonio) 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 Julian Grajales (San Antonio)

In Julian Grajales (San Antonio) in May, the total precipitation amount is 91 mm (3.6 in) over a span of 15 days.

May Precipitation Trends in Julian Grajales (San Antonio)

The chart displays monthly precipitation patterns in Julian Grajales (San Antonio), 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 Julian Grajales (San Antonio), May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec38242734912301241572122037145
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Julian Grajales (San Antonio)

In Julian Grajales (San Antonio) in May, humidity is 64%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making it feel much warmer than the actual temperature, which can be a bit stifling for traveling but also adds a lush, tropical feel to the atmosphere.

May Average Humidity in Julian Grajales (San Antonio)

This chart illustrates the average monthly humidity levels in Julian Grajales (San Antonio), 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 Julian Grajales (San Antonio) is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Julian Grajales (San Antonio)

In Julian Grajales (San Antonio) 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 Julian Grajales (San Antonio), you can check here.

Maximum UV Index Levels in Julian Grajales (San Antonio) for May

The chart shows the monthly maximum UV Index (UVI) for Julian Grajales (San Antonio) 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 Julian Grajales (San Antonio) typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131312109
Data source: Julian Grajales (San Antonio) 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 Julian Grajales (San Antonio) Compares to Other Months

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

This table compares monthly weather conditions in Julian Grajales (San Antonio), showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)38 mm (1.5 inches)83%very high
February Weather21°C (70°F)24 mm (0.9 inches)76%extreme
March Weather22°C (72°F)27 mm (1.0 inches)66%extreme
April Weather24°C (76°F)34 mm (1.4 inches)59%extreme
May Weather25°C (78°F)91 mm (3.6 inches)64%extreme
June Weather24°C (76°F)229 mm (9.0 inches)69%extreme
July Weather24°C (75°F)124 mm (4.9 inches)82%extreme
August Weather24°C (75°F)157 mm (6.2 inches)87%extreme
September Weather24°C (75°F)212 mm (8.4 inches)87%extreme
October Weather23°C (73°F)203 mm (8.0 inches)88%extreme
November Weather21°C (70°F)71 mm (2.8 inches)88%very high
December Weather20°C (68°F)45 mm (1.8 inches)88%very high

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