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April Weather in San Antonio, Colombia

Last updated: August 23, 2025

In San Antonio, Colombia, the average temperature in April reaches a warm 30°C (86°F). Prepare for varying conditions, as the minimum can dip to 24°C (76°F), while the maximum may soar to 40°C (105°F). With an average precipitation of 57 mm (2.3 in) spread over 12 days, it's wise to carry an umbrella. The air is relatively comfortable, boasting an average humidity of 46%.

April Temperature in San Antonio

In April in San Antonio, the average temperature is 30°C (86°F). Maximums can reach 40°C (105°F), and minimums can be as low as 24°C (76°F). Be prepared for warm weather and stay hydrated while exploring!

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

The chart illustrates April 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, April typically has an average temperature of 30°C (86°F), with highs reaching up to 40°C (105°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec858786858484858483828285
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.

April Precipitation in San Antonio

In San Antonio in April, the precipitation amount is 57 mm (2.3 in) over a period of 12 days.

April Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, April typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec73195715299841171291439019
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Antonio

In San Antonio in April, humidity is 46%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace; it's comfortable for traveling but can become slightly sticky during the day, encouraging you to stay hydrated and seek shade whenever possible.

April Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%47%45%46%62%81%87%83%83%85%83%65%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Antonio

In San Antonio in April, 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 Antonio, you can check here.

Maximum UV Index Levels in San Antonio for April

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141413121313131110
Data source: San Antonio 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 Antonio Compares to Other Months

Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather30°C (86°F)7 mm (0.3 inches)51%extreme
February Weather30°C (87°F)3 mm (0.1 inches)47%extreme
March Weather30°C (86°F)19 mm (0.7 inches)45%extreme
April Weather30°C (86°F)57 mm (2.3 inches)46%extreme
May Weather29°C (84°F)152 mm (6.0 inches)62%extreme
June Weather29°C (84°F)98 mm (3.9 inches)81%extreme
July Weather30°C (85°F)84 mm (3.3 inches)87%extreme
August Weather29°C (84°F)117 mm (4.6 inches)83%extreme
September Weather28°C (83°F)129 mm (5.1 inches)83%extreme
October Weather28°C (82°F)143 mm (5.6 inches)85%extreme
November Weather28°C (83°F)90 mm (3.5 inches)83%extreme
December Weather29°C (85°F)19 mm (0.7 inches)65%very high

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