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April Weather in San Antonio, Philippines

Last updated: August 27, 2025

In April, the average temperature in San Antonio, Philippines hovers around 27°C (81°F), with minimums dipping to 25°C (78°F) and maximums rising to 30°C (86°F). Expect 94 mm (3.7 in) of precipitation over approximately 18 days, contributing to a notable average humidity of 87%.

April Temperature in San Antonio

In April in San Antonio, the average temperature is 27°C (81°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 25°C (78°F). This mild and warm weather makes it an ideal destination for travelers seeking pleasant conditions.

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 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec807980818181818181828181
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 94 mm (3.7 in) spread over 18 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 94 mm (3.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1891181239516815017313511113799132
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 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%91%87%84%83%82%83%85%82%84%87%
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 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 Antonio.

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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516151513141415141311
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 Weather26°C (80°F)189 mm (7.4 inches)90%extreme
February Weather26°C (80°F)117 mm (4.6 inches)92%extreme
March Weather27°C (80°F)123 mm (4.8 inches)90%extreme
April Weather27°C (81°F)94 mm (3.7 inches)87%extreme
May Weather27°C (81°F)168 mm (6.6 inches)83%extreme
June Weather27°C (82°F)150 mm (5.9 inches)83%extreme
July Weather27°C (82°F)173 mm (6.8 inches)82%extreme
August Weather27°C (82°F)135 mm (5.3 inches)83%extreme
September Weather27°C (82°F)111 mm (4.4 inches)85%extreme
October Weather28°C (82°F)137 mm (5.4 inches)82%extreme
November Weather27°C (81°F)99 mm (3.9 inches)83%extreme
December Weather27°C (81°F)132 mm (5.2 inches)87%extreme

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