July Weather in San Antonio, Chile

Last updated: August 22, 2025

In July, the average temperature in San Antonio, Chile hovers around 10°C (50°F), with minimums dipping to 2°C (36°F) and maximums rising to 20°C (68°F). Expect about 47 mm (1.9 in) of precipitation over 4 days, contributing to a notable average humidity of 75%. Plan your activities accordingly to make the most of the varied weather!

July Temperature in San Antonio

In July in San Antonio, the average temperature is 10°C (50°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 2°C (36°F). This variability in temperature makes it important to pack layers for your trip to San Antonio.

July Weather in San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, July typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec626260575451505053555960
Data source: Temperature data for San Antonio 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.

July Precipitation in San Antonio

In San Antonio in July, the precipitation amount is 47 mm (1.9 in) over the course of 4 days.

July Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Antonio, July typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec6339431074738161431
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Antonio

In San Antonio in July humidity is 75%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and necessitating extra layers for warmth and comfort.

July Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Antonio is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%46%52%64%71%75%73%56%61%52%39%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Antonio

In San Antonio in July, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in San Antonio for better planning.

Maximum UV Index Levels in San Antonio for July

The chart shows the monthly maximum UV Index (UVI) for San Antonio in July, 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 July, the maximum UV index in San Antonio typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853468111314
Data source: San Antonio July 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 July Weather in San Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)6 mm (0.2 inches)41%extreme
February Weather17°C (62°F)3 mm (0.1 inches)41%extreme
March Weather16°C (60°F)3 mm (0.1 inches)46%extreme
April Weather14°C (57°F)9 mm (0.4 inches)52%very high
May Weather12°C (54°F)43 mm (1.7 inches)64%moderate
June Weather11°C (51°F)107 mm (4.2 inches)71%moderate
July Weather10°C (50°F)47 mm (1.9 inches)75%moderate
August Weather10°C (51°F)38 mm (1.5 inches)73%high
September Weather11°C (53°F)16 mm (0.6 inches)56%very high
October Weather13°C (55°F)14 mm (0.6 inches)61%extreme
November Weather15°C (59°F)3 mm (0.1 inches)52%extreme
December Weather16°C (61°F)1 mm (0.0 inches)39%extreme

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