June Weather in San Marcos, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Marcos, Mexico is a pleasant 23°C (73°F), making it a nice time to explore. Expect a minimum of 13°C (55°F) and a maximum soaring up to 37°C (99°F). Be prepared for some rain, as the region receives about 113 mm (4.4 in) of precipitation over roughly 15 days. With an average humidity of 74%, you're in for a warm and slightly muggy experience, ideal for a tropical getaway!

June Temperature in San Marcos

In June in San Marcos, the average temperature is 23°C (73°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 13°C (55°F). This makes it an ideal time for travelers seeking warm weather during their visit.

June Weather in San Marcos: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in San Marcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Marcos, June typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (55°F).

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

June Precipitation in San Marcos

In San Marcos in June, the total precipitation amount is 113 mm (4.4 in) over the course of 15 days.

June Precipitation Trends in San Marcos

The chart displays monthly precipitation patterns in San Marcos, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In San Marcos, June typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

June Humidity in San Marcos

In San Marcos in June humidity is 74%. With an average temperature of 23°C (73°F), this humidity feels like walking through a warm, enveloping fog, making outdoor activities more strenuous and requiring frequent breaks for hydration.

June Average Humidity in San Marcos

This chart illustrates the average monthly humidity levels in San Marcos, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in San Marcos is approximately 74%, offering insight into how humid the weather typically is during this month.

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

June UV Index in San Marcos

In San Marcos in June, 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 Marcos, you can check here.

Maximum UV Index Levels in San Marcos for June

The chart shows the monthly maximum UV Index (UVI) for San Marcos in June, 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 June, the maximum UV index in San Marcos typically reaches 14, which falls under the extreme exposure category.

Data source: San Marcos June 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 June Weather in San Marcos Compares to Other Months

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

This table compares monthly weather conditions in San Marcos, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	13 mm (0.5 inches)	64%	very high
February Weather	17°C (64°F)	21 mm (0.8 inches)	57%	extreme
March Weather	20°C (68°F)	3 mm (0.1 inches)	46%	extreme
April Weather	21°C (70°F)	1 mm (0.0 inches)	42%	extreme
May Weather	23°C (73°F)	14 mm (0.5 inches)	51%	extreme
June Weather	23°C (73°F)	113 mm (4.4 inches)	74%	extreme
July Weather	21°C (70°F)	252 mm (9.9 inches)	79%	extreme
August Weather	21°C (71°F)	248 mm (9.8 inches)	81%	extreme
September Weather	21°C (70°F)	267 mm (10.5 inches)	84%	extreme
October Weather	21°C (70°F)	99 mm (3.9 inches)	75%	extreme
November Weather	19°C (66°F)	19 mm (0.7 inches)	71%	very high
December Weather	16°C (62°F)	15 mm (0.6 inches)	74%	very high