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April Weather in San Antonio, Philippines

Last updated: August 27, 2025

In April, the average temperature in San Antonio, Philippines reaches a warm 27°C (82°F), with temperatures dipping as low as 19°C (67°F) and peaking at a sizzling 37°C (99°F). You can expect around 45 mm (1.8 in) of precipitation over 13 days, contributing to a comfortable average humidity of 73%. Enjoy the blend of warmth and humidity this month brings!

April Temperature in San Antonio

In April in San Antonio, the average temperature is 27°C (82°F), with maximums reaching as high as 37°C (99°F) and minimums dipping to around 19°C (67°F). This makes it a great time for traveling, as you can enjoy warm days and comfortably cool evenings.

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 (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec757578818586838382807976
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 45 mm (1.8 in) spread over 13 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 45 mm (1.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec107906745121151329320326301316233
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 73%. With an average temperature of 27°C (82°F), this humidity feels like you're walking through a warm, thick blanket, making travel feel sticky and requiring frequent breaks to stay refreshed.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141413109
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 Weather24°C (75°F)107 mm (4.2 inches)77%extreme
February Weather24°C (75°F)90 mm (3.6 inches)73%extreme
March Weather26°C (79°F)67 mm (2.6 inches)71%extreme
April Weather27°C (82°F)45 mm (1.8 inches)73%extreme
May Weather29°C (85°F)121 mm (4.8 inches)77%extreme
June Weather30°C (86°F)151 mm (5.9 inches)85%extreme
July Weather28°C (84°F)329 mm (12.9 inches)86%extreme
August Weather28°C (83°F)320 mm (12.6 inches)87%extreme
September Weather28°C (82°F)326 mm (12.8 inches)87%extreme
October Weather27°C (80°F)301 mm (11.9 inches)86%extreme
November Weather26°C (79°F)316 mm (12.5 inches)89%very high
December Weather25°C (76°F)233 mm (9.2 inches)85%very high

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