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June Weather in San Marcos, Mexico

Last updated: August 27, 2025

In June, the average temperature in San Marcos, Mexico hovers around 19°C (67°F). Expect a minimum of 9°C (49°F) and a maximum of 33°C (91°F), creating a pleasant range for outdoor activities. However, be prepared for 124 mm (4.9 in) of precipitation spread over 16 days, leading to an average humidity of 76%. Plan accordingly to make the most of your time in this diverse climate!

June Temperature in San Marcos

In June in San Marcos, the average temperature is 19°C (67°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as 9°C (49°F). It’s a great time to visit for travelers looking to enjoy mild weather with some warm days.

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 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec566064676966656564625957
Data source: Temperature data for San Marcos generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in San Marcos

In San Marcos in June, the precipitation amount is 124 mm (4.9 in) occurring over a period of 16 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 124 mm (4.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec8718253612410811514469174
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in San Marcos

In San Marcos in June, humidity is 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec9121415151414141412108
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.
 TemperaturePrecipitationHumidityUV
January Weather13°C (57°F)8 mm (0.3 inches)84%very high
February Weather16°C (61°F)7 mm (0.3 inches)78%extreme
March Weather18°C (64°F)18 mm (0.7 inches)75%extreme
April Weather20°C (68°F)25 mm (1.0 inches)70%extreme
May Weather21°C (69°F)36 mm (1.4 inches)77%extreme
June Weather19°C (67°F)124 mm (4.9 inches)76%extreme
July Weather18°C (65°F)108 mm (4.3 inches)68%extreme
August Weather18°C (65°F)115 mm (4.5 inches)70%extreme
September Weather18°C (64°F)144 mm (5.7 inches)82%extreme
October Weather17°C (62°F)69 mm (2.7 inches)91%extreme
November Weather15°C (59°F)17 mm (0.7 inches)89%very high
December Weather14°C (57°F)4 mm (0.1 inches)88%very high

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