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January Weather in San Antonio, Philippines

Last updated: August 27, 2025

In January, the average temperature in San Antonio, Philippines hovers around 24°C (75°F). Daytime highs can reach a comfortable 32°C (89°F), while nights may drop to a cool 17°C (63°F). Expect about 107 mm (4.2 in) of precipitation over 15 days, adding to the 77% average humidity that characterizes this vibrant locale. Enjoy the balance of warmth and refreshing breezes!

January Temperature in San Antonio

In January, in San Antonio, the average temperature is 24°C (75°F). Maximum temperatures can reach 32°C (89°F) and minimums can drop as low as 17°C (63°F). This pleasant climate makes San Antonio an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates January 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, January typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (63°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.

January Precipitation in San Antonio

In San Antonio in January, the total precipitation amount is 107 mm (4.2 in) spread over 15 days.

January Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Antonio, January typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec107906745121151329320326301316233
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Antonio

In San Antonio in January humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.

January Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Antonio is approximately 77%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Antonio

In San Antonio in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for January

The chart shows the monthly maximum UV Index (UVI) for San Antonio in January, 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 January, the maximum UV index in San Antonio typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141413109
Data source: San Antonio January 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 January 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 January’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 January’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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