nomadseason

May Weather in San Rafael, Mexico

Last updated: August 27, 2025

In May, the average temperature in San Rafael, Mexico hovers around 27°C (82°F). You can expect a minimum of 22°C (72°F) and a maximum of 32°C (90°F), making for warm days. However, be prepared for some rain, as the area receives about 104 mm (4.1 in) of precipitation over 7 days. With an average humidity of 80%, the air feels quite moist, adding to the tropical ambiance.

May Temperature in San Rafael

In May in San Rafael, the average temperature is 27°C (82°F). Maximums can reach 32°C (90°F), while minimums can be as low as 22°C (72°F). This pleasant and warm weather makes San Rafael an ideal destination for travelers seeking sunshine and outdoor activities.

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

The chart illustrates May temperature patterns in San Rafael, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Rafael, May typically has an average temperature of 27°C (82°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec707173778182828382797471
Data source: Temperature data for San Rafael generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Rafael

In San Rafael in May, the precipitation amount is 104 mm (4.1 in) over a span of 7 days.

May Precipitation Trends in San Rafael

The chart displays monthly precipitation patterns in San Rafael, 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 Rafael, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec797281641041277413320919514558
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Rafael

In San Rafael in May, humidity is 80%. With an average temperature of 27°C (82°F), this humidity feels like stepping into a thick blanket of warmth that hugs you relentlessly, making outdoor activities feel sluggish and exhausting.

May Average Humidity in San Rafael

This chart illustrates the average monthly humidity levels in San Rafael, 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 Rafael is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%81%80%77%76%78%80%82%84%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Rafael

In San Rafael in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Rafael.

Maximum UV Index Levels in San Rafael for May

The chart shows the monthly maximum UV Index (UVI) for San Rafael 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 Rafael typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111213131312121087
Data source: San Rafael 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 Rafael Compares to Other Months

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

This table compares monthly weather conditions in San Rafael, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)79 mm (3.1 inches)82%very high
February Weather22°C (71°F)72 mm (2.8 inches)83%very high
March Weather23°C (74°F)81 mm (3.2 inches)82%extreme
April Weather25°C (78°F)64 mm (2.5 inches)81%extreme
May Weather27°C (82°F)104 mm (4.1 inches)80%extreme
June Weather28°C (82°F)127 mm (5.0 inches)77%extreme
July Weather28°C (83°F)74 mm (2.9 inches)76%extreme
August Weather28°C (83°F)133 mm (5.2 inches)78%extreme
September Weather28°C (82°F)209 mm (8.2 inches)80%extreme
October Weather26°C (79°F)195 mm (7.7 inches)82%very high
November Weather23°C (74°F)145 mm (5.7 inches)84%very high
December Weather22°C (71°F)58 mm (2.3 inches)85%high

Compare San Rafael's Climate with Cities Worldwide