May Weather in Altar, Mexico

Last updated: August 27, 2025

In May, the average temperature in Altar, Mexico hovers around 26°C (79°F), with minimums dipping to 11°C (51°F) and peaks reaching a sizzling 41°C (106°F). Expect very little rain, with only 2 mm (0.1 in) of precipitation over 0 days, and enjoy the dry conditions with an average humidity of just 32%.

May Temperature in Altar

In May in Altar, the average temperature is 26°C (79°F). The maximum can reach 41°C (106°F), while the minimum can drop to as low as 11°C (51°F). This variation in temperature makes it essential to pack for both warm and cool conditions when traveling.

May Weather in Altar: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Altar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altar, May typically has an average temperature of 26°C (79°F), with highs reaching up to 41°C (106°F) and lows dropping to around 11°C (51°F).

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

May Precipitation in Altar

In Altar in May, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

May Precipitation Trends in Altar

The chart displays monthly precipitation patterns in Altar, 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 Altar, May typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Altar

In Altar in May humidity is 32%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

May Average Humidity in Altar

This chart illustrates the average monthly humidity levels in Altar, 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 Altar is approximately 32%, 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 Altar

In Altar 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 Altar.

Maximum UV Index Levels in Altar for May

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

Data source: Altar 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 Altar Compares to Other Months

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

This table compares monthly weather conditions in Altar, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	22 mm (0.9 inches)	74%	moderate
February Weather	15°C (59°F)	26 mm (1.0 inches)	71%	high
March Weather	18°C (65°F)	14 mm (0.6 inches)	60%	very high
April Weather	23°C (74°F)	2 mm (0.1 inches)	43%	extreme
May Weather	26°C (79°F)	2 mm (0.1 inches)	32%	extreme
June Weather	32°C (89°F)	3 mm (0.1 inches)	28%	extreme
July Weather	32°C (90°F)	43 mm (1.7 inches)	38%	extreme
August Weather	32°C (90°F)	38 mm (1.5 inches)	60%	extreme
September Weather	30°C (86°F)	41 mm (1.6 inches)	72%	extreme
October Weather	25°C (77°F)	9 mm (0.3 inches)	66%	very high
November Weather	20°C (68°F)	19 mm (0.8 inches)	74%	high
December Weather	15°C (58°F)	17 mm (0.7 inches)	81%	moderate