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May Weather in San Jose del Rio, Mexico

Last updated: August 27, 2025

In May, the average temperature in San Jose del Rio, Mexico is a pleasant 21°C (69°F). However, be prepared for a range, as temperatures can dip to a cool 7°C (44°F) at night and soar to a warm 34°C (93°F) during the day. Visitors can expect an average precipitation of 16 mm (0.6 in) over about 4 days, complemented by a comfortable average humidity level of 55%.

May Temperature in San Jose del Rio

In May in San Jose del Rio, the average temperature is 21°C (69°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 7°C (44°F). It’s an ideal time for travelers to experience a pleasant mix of warm days and cooler evenings.

May Weather in San Jose del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Jose del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose del Rio, May typically has an average temperature of 21°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec525662656970666663625752
Data source: Temperature data for San Jose del Rio 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 Jose del Rio

In San Jose del Rio in May, the precipitation amount is 16 mm (0.6 in) over a span of 4 days.

May Precipitation Trends in San Jose del Rio

The chart displays monthly precipitation patterns in San Jose del Rio, 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 Jose del Rio, May typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec15117616651457711649159
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Jose del Rio

In San Jose del Rio in May, humidity is 55%. With an average temperature of 21°C (69°F), this humidity feels like a refreshing embrace, making it quite pleasant for traveling as long as you stay hydrated and take frequent breaks in the shade.

May Average Humidity in San Jose del Rio

This chart illustrates the average monthly humidity levels in San Jose del Rio, 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 Jose del Rio is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Jose del Rio

In San Jose del Rio 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 Jose del Rio.

Maximum UV Index Levels in San Jose del Rio for May

The chart shows the monthly maximum UV Index (UVI) for San Jose del Rio 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 Jose del Rio typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8111315151414141412108
Data source: San Jose del Rio 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 Jose del Rio Compares to Other Months

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

This table compares monthly weather conditions in San Jose del Rio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)15 mm (0.6 inches)71%very high
February Weather13°C (56°F)11 mm (0.4 inches)64%extreme
March Weather16°C (62°F)7 mm (0.3 inches)49%extreme
April Weather18°C (65°F)6 mm (0.2 inches)47%extreme
May Weather21°C (69°F)16 mm (0.6 inches)55%extreme
June Weather21°C (70°F)65 mm (2.6 inches)77%extreme
July Weather19°C (66°F)145 mm (5.7 inches)82%extreme
August Weather19°C (67°F)77 mm (3.0 inches)83%extreme
September Weather17°C (63°F)116 mm (4.6 inches)86%extreme
October Weather17°C (62°F)49 mm (1.9 inches)83%extreme
November Weather14°C (57°F)15 mm (0.6 inches)80%very high
December Weather11°C (53°F)9 mm (0.4 inches)83%very high

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