May Weather in San Antonio Canada, Mexico

Last updated: August 27, 2025

In May, the average temperature in San Antonio Canada, Mexico hovers around 19°C (67°F), with a minimum of 9°C (48°F) and a maximum of 31°C (87°F). Expect a fair amount of rainfall, with 102 mm (4.0 in) of precipitation spread over 20 days. The atmosphere is typically quite humid, with an average humidity of 82%.

May Temperature in San Antonio Canada

In May in San Antonio Canada, the average temperature is 19°C (67°F). Maximums can reach 31°C (87°F), while minimums can drop to as low as 9°C (48°F). This pleasant climate makes it an ideal time for travelers to explore the outdoor attractions and enjoy various activities.

May Weather in San Antonio Canada: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Antonio Canada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio Canada, May typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (87°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec576062666765646564636057
Data source: Temperature data for San Antonio Canada 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 Antonio Canada

In San Antonio Canada in May, the total precipitation amount is 102 mm (4.0 in) spread over a period of 20 days.

May Precipitation Trends in San Antonio Canada

The chart displays monthly precipitation patterns in San Antonio Canada, 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 Antonio Canada, May typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec191423521021981221392271124013
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Antonio Canada

In San Antonio Canada in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

May Average Humidity in San Antonio Canada

This chart illustrates the average monthly humidity levels in San Antonio Canada, 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 Antonio Canada is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Antonio Canada

In San Antonio Canada 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 Antonio Canada.

Maximum UV Index Levels in San Antonio Canada for May

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

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

This table compares monthly weather conditions in San Antonio Canada, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)19 mm (0.7 inches)88%very high
February Weather16°C (60°F)14 mm (0.5 inches)86%extreme
March Weather17°C (62°F)23 mm (0.9 inches)84%extreme
April Weather19°C (66°F)52 mm (2.0 inches)81%extreme
May Weather19°C (67°F)102 mm (4.0 inches)82%extreme
June Weather18°C (65°F)198 mm (7.8 inches)81%extreme
July Weather18°C (65°F)122 mm (4.8 inches)81%extreme
August Weather18°C (65°F)138 mm (5.5 inches)82%extreme
September Weather18°C (65°F)227 mm (8.9 inches)86%extreme
October Weather17°C (64°F)112 mm (4.4 inches)90%extreme
November Weather15°C (60°F)40 mm (1.6 inches)91%very high
December Weather14°C (58°F)13 mm (0.5 inches)91%very high

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