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April Weather in San Marcos, Colombia

Last updated: August 23, 2025

In San Marcos, Colombia, the average temperature in April is a warm 29°C (84°F). Expect minimums around 23°C (74°F) and maximums soaring to 38°C (100°F). During this time, the region typically sees 150 mm (5.9 in) of precipitation over 23 days, and the average humidity hovers at 67%. Prepare for a tropical experience!

April Temperature in San Marcos

In April in San Marcos, the average temperature is 29°C (84°F), with maximums reaching 38°C (100°F) and minimums dropping to 23°C (74°F). This warm climate makes it an ideal time for travelers seeking sun-soaked adventures and outdoor activities.

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

The chart illustrates April 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, April typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec838686848383838282818283
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.

April Precipitation in San Marcos

In San Marcos in April, the precipitation amount is 150 mm (5.9 in) spread over 23 days.

April Precipitation Trends in San Marcos

The chart displays monthly precipitation patterns in San Marcos, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Marcos, April typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec2764815025922919820920921418664
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Marcos

In San Marcos in April, humidity is 67%. With an average temperature of 29°C (84°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making outdoor activities a bit more strenuous and necessitating plenty of water breaks for a comfortable travel experience.

April Average Humidity in San Marcos

This chart illustrates the average monthly humidity levels in San Marcos, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Marcos is approximately 67%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in San Marcos

In San Marcos in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Marcos.

Maximum UV Index Levels in San Marcos for April

The chart shows the monthly maximum UV Index (UVI) for San Marcos in April, 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 April, the maximum UV index in San Marcos typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214151413131313131110
Data source: San Marcos April 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 April 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 April’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 April’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

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