May Weather in Palo Alto, Mexico

Last updated: August 27, 2025

In May, the average temperature in Palo Alto, Mexico hovers around 24°C (75°F), making it a pleasant time to visit. However, temperatures can range quite dramatically, with a minimum of 12°C (54°F) and a maximum reaching up to 37°C (98°F). Expect around 47 mm (1.9 in) of precipitation over 8 days, resulting in an average humidity of 67%.

May Temperature in Palo Alto

In May in Palo Alto, the average temperature is 24°C (75°F). Maximums can reach 37°C (98°F), and minimums can be as low as 12°C (54°F). This range makes it ideal for travelers looking to enjoy warm days while also experiencing cooler evenings.

May Weather in Palo Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Palo Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palo Alto, May typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (98°F) and lows dropping to around 12°C (54°F).

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

May Precipitation in Palo Alto

In Palo Alto in May, the precipitation amount is 47 mm (1.9 in) over a span of 8 days.

May Precipitation Trends in Palo Alto

The chart displays monthly precipitation patterns in Palo Alto, 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 Palo Alto, May typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Palo Alto

In Palo Alto in May humidity is 67%. With an average temperature of 24°C (75°F), this humidity feels like a warm and sticky embrace, making traveling a bit uncomfortable as you find yourself seeking shade and refreshing drinks more often.

May Average Humidity in Palo Alto

This chart illustrates the average monthly humidity levels in Palo Alto, 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 Palo Alto is approximately 67%, 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 Palo Alto

In Palo Alto 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 Palo Alto, you can check here.

Maximum UV Index Levels in Palo Alto for May

The chart shows the monthly maximum UV Index (UVI) for Palo Alto 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 Palo Alto typically reaches 14, which falls under the extreme exposure category.

Data source: Palo Alto 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 Palo Alto Compares to Other Months

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

This table compares monthly weather conditions in Palo Alto, 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 (60°F)	5 mm (0.2 inches)	74%	very high
February Weather	18°C (64°F)	9 mm (0.4 inches)	65%	extreme
March Weather	21°C (69°F)	13 mm (0.5 inches)	58%	extreme
April Weather	23°C (73°F)	6 mm (0.2 inches)	58%	extreme
May Weather	24°C (75°F)	47 mm (1.9 inches)	67%	extreme
June Weather	22°C (72°F)	170 mm (6.7 inches)	76%	extreme
July Weather	20°C (68°F)	218 mm (8.6 inches)	67%	extreme
August Weather	20°C (68°F)	199 mm (7.8 inches)	68%	extreme
September Weather	20°C (68°F)	183 mm (7.2 inches)	81%	extreme
October Weather	19°C (67°F)	61 mm (2.4 inches)	83%	extreme
November Weather	17°C (63°F)	23 mm (0.9 inches)	84%	very high
December Weather	16°C (60°F)	5 mm (0.2 inches)	81%	very high