nomadseason

July Weather in San Marcos, Colombia

Last updated: August 23, 2025

In July, the average temperature in San Marcos, Colombia reaches a warm 28°C (83°F), with a range that can dip to 24°C (75°F) and soar up to 36°C (96°F). Expect a fair share of rain, with 198 mm (7.8 in) of precipitation spread over 25 days. Humidity is notably high, averaging 88%, creating a tropical feel throughout the month.

July Temperature in San Marcos

In July in San Marcos, the average temperature is 28°C (83°F), with maximums reaching 36°C (96°F) and minimums dropping to as low as 24°C (75°F). This pleasant climate makes San Marcos an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (96°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec838686848383838282818283
Data source: Temperature data for San Marcos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in San Marcos

In San Marcos in July, the precipitation amount is 198 mm (7.8 in) over the course of 25 days.

July Precipitation Trends in San Marcos

The chart displays monthly precipitation patterns in San Marcos, 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 Marcos, July typically receives around 198 mm (7.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec2764815025922919820920921418664
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in San Marcos

In San Marcos in July, humidity is 88%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, dense mist that clings to your skin, making outdoor activities noticeably more taxing and promoting a sense of sluggishness that can hinder your travel plans.

July Average Humidity in San Marcos

This chart illustrates the average monthly humidity levels in San Marcos, 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 Marcos is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%65%67%79%87%88%87%87%86%86%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Marcos

In San Marcos in July, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Marcos.

Maximum UV Index Levels in San Marcos for July

The chart shows the monthly maximum UV Index (UVI) for San Marcos 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 Marcos typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151413131313131110
Data source: San Marcos 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 Marcos Compares to Other Months

Weather in San Marcos varies notably across the year, with each month offering distinct climate conditions. This page compares July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (84°F)27 mm (1.1 inches)70%extreme
February Weather30°C (87°F)6 mm (0.2 inches)67%extreme
March Weather30°C (86°F)48 mm (1.9 inches)65%extreme
April Weather29°C (84°F)150 mm (5.9 inches)67%extreme
May Weather28°C (83°F)259 mm (10.2 inches)79%extreme
June Weather28°C (83°F)229 mm (9.0 inches)87%extreme
July Weather28°C (83°F)198 mm (7.8 inches)88%extreme
August Weather28°C (83°F)209 mm (8.2 inches)87%extreme
September Weather28°C (82°F)209 mm (8.2 inches)87%extreme
October Weather27°C (82°F)214 mm (8.4 inches)86%extreme
November Weather28°C (82°F)186 mm (7.3 inches)86%extreme
December Weather28°C (83°F)64 mm (2.5 inches)80%very high

Compare San Marcos's Climate with Cities Worldwide