March Weather in Altar, Mexico

Last updated: August 27, 2025

In Altar, Mexico, the average temperature in March hovers around 18°C (65°F). It's a month of contrasts, with lows plummeting to 3°C (38°F) and highs soaring to 36°C (97°F). Expect a bit of rain, with an average precipitation of 14 mm (0.6 in) spread over 2 days. Humidity stays relatively comfortable at around 60%, creating a pleasant atmosphere.

March Temperature in Altar

In March in Altar, the average temperature is 18°C (65°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as 3°C (38°F). It's an ideal time for travelers to enjoy a mix of warm days and cooler nights, so packing accordingly is essential.

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

The chart illustrates March 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, March typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 3°C (38°F).

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

March Precipitation in Altar

In Altar in March, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

March Precipitation Trends in Altar

The chart displays monthly precipitation patterns in Altar, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Altar, March typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Altar

In Altar in March humidity is 60%. With an average temperature of 18°C (65°F), this humidity feels like a mild embrace, making it comfortable for exploring the sights, yet it can cause a slight stickiness in the air that may prompt occasional breaks and hydration.

March Average Humidity in Altar

This chart illustrates the average monthly humidity levels in Altar, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Altar is approximately 60%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Altar

In Altar in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Altar.

Maximum UV Index Levels in Altar for March

The chart shows the monthly maximum UV Index (UVI) for Altar in March, 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 March, the maximum UV index in Altar typically reaches 10, which falls under the very high exposure category.

Data source: Altar March 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 March 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 March’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 March’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