May Weather in San Bruno, Mexico

Last updated: August 26, 2025

In May, the average temperature in San Bruno, Mexico is a pleasant 24°C (76°F). Expect a minimum of 13°C (56°F) and a maximum of 34°C (93°F), making it a great time to enjoy the outdoors. With 0 mm (0.0 in) of precipitation over 0 days, you can anticipate plenty of sunshine. The average humidity rests at a comfortable 51%, perfect for exploring all that this vibrant destination has to offer!

May Temperature in San Bruno

In May in San Bruno, the average temperature is 24°C (76°F). Maximums can reach 34°C (93°F), while minimums can drop as low as 13°C (56°F). It's an ideal time for travelers to enjoy a variety of outdoor activities in pleasant weather.

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

The chart illustrates May temperature patterns in San Bruno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bruno, May typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (56°F).

Data source: Temperature data for San Bruno generated using information from the Copernicus Climate Change Service.

May Precipitation in San Bruno

In San Bruno in May, the precipitation amount is 0 mm (0.0 in) during 0 days.

May Precipitation Trends in San Bruno

The chart displays monthly precipitation patterns in San Bruno, 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 Bruno, May typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in San Bruno

In San Bruno in May humidity is 51%. With an average temperature of 24°C (76°F), this humidity feels like a warm, gentle embrace, making it comfortable for exploring outdoor attractions while still requiring occasional breaks in the shade to stay refreshed.

May Average Humidity in San Bruno

This chart illustrates the average monthly humidity levels in San Bruno, 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 Bruno is approximately 51%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Bruno

In San Bruno in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Bruno.

Maximum UV Index Levels in San Bruno for May

The chart shows the monthly maximum UV Index (UVI) for San Bruno 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 Bruno typically reaches 12, which falls under the extreme exposure category.

Data source: San Bruno 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 Bruno Compares to Other Months

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

This table compares monthly weather conditions in San Bruno, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	10 mm (0.4 inches)	71%	high
February Weather	17°C (63°F)	5 mm (0.2 inches)	66%	very high
March Weather	19°C (66°F)	8 mm (0.3 inches)	58%	very high
April Weather	22°C (72°F)	0 mm (0.0 inches)	52%	extreme
May Weather	24°C (76°F)	0 mm (0.0 inches)	51%	extreme
June Weather	29°C (84°F)	1 mm (0.0 inches)	51%	extreme
July Weather	31°C (88°F)	8 mm (0.3 inches)	60%	extreme
August Weather	31°C (88°F)	14 mm (0.5 inches)	73%	extreme
September Weather	29°C (85°F)	39 mm (1.6 inches)	76%	extreme
October Weather	26°C (79°F)	6 mm (0.2 inches)	72%	very high
November Weather	22°C (71°F)	10 mm (0.4 inches)	72%	high
December Weather	17°C (63°F)	9 mm (0.4 inches)	72%	moderate