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May Weather in San Rafael, Mexico

Last updated: August 27, 2025

In San Rafael, Mexico, the average temperature in May is a comfortable 23°C (74°F). During this time, temperatures can range from a cool 11°C (52°F) to a scorching 38°C (100°F). Expect approximately 48 mm (1.9 in) of precipitation over 12 days, contributing to an average humidity of 85%—perfect for lush landscapes and vibrant flora!

May Temperature in San Rafael

In May in San Rafael, the average temperature is 23°C (74°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 11°C (52°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the diverse attractions of San Rafael.

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 23°C (74°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec576266717473737371686258
Data source: Temperature data for San Rafael 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 Rafael

In San Rafael in May, the precipitation amount is 48 mm (1.9 in) over a span of 12 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 48 mm (1.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9815204884815392581611
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Rafael

In San Rafael in May humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
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 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 Rafael, you can check here.

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 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131314131414131297
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 Weather14°C (57°F)9 mm (0.3 inches)87%very high
February Weather16°C (62°F)8 mm (0.3 inches)85%very high
March Weather19°C (66°F)15 mm (0.6 inches)83%extreme
April Weather22°C (71°F)20 mm (0.8 inches)84%extreme
May Weather23°C (74°F)48 mm (1.9 inches)85%extreme
June Weather23°C (74°F)84 mm (3.3 inches)79%extreme
July Weather23°C (73°F)81 mm (3.2 inches)71%extreme
August Weather23°C (73°F)53 mm (2.1 inches)72%extreme
September Weather22°C (71°F)92 mm (3.6 inches)80%extreme
October Weather20°C (68°F)58 mm (2.3 inches)85%extreme
November Weather17°C (62°F)16 mm (0.6 inches)88%very high
December Weather15°C (59°F)11 mm (0.4 inches)89%high

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