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July Weather in San Juan, Philippines

Last updated: August 27, 2025

In San Juan, Philippines, the average temperature in July hovers around 25°C (77°F). Expect a minimum of 20°C (68°F) and highs reaching 32°C (89°F). During this time, the area experiences substantial precipitation, with 534 mm (21.0 in) falling over 30 days, leading to an average humidity of 86%.

July Temperature in San Juan

In July, in San Juan, the average temperature is 25°C (77°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 20°C (68°F). This mild climate makes San Juan an ideal destination for travelers seeking pleasant weather.

July Weather in San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, July typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec747477787978777677777675
Data source: Temperature data for San Juan 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.

July Precipitation in San Juan

In San Juan in July, the precipitation amount is 534 mm (21.0 in) over a span of 30 days.

July Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Juan, July typically receives around 534 mm (21.0 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec3628286117735553449037720710660
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Juan

In San Juan in July, humidity is 86%. With an average temperature of 25°C (77°F), this humidity feels like you are wrapped in a warm, heavy blanket, making travel a bit challenging as you may find yourself frequently seeking shade and hydration while navigating the vibrant streets.

July Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Juan is approximately 86%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in San Juan

In San Juan in July, 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 Juan, you can check here.

Maximum UV Index Levels in San Juan for July

The chart shows the monthly maximum UV Index (UVI) for San Juan in July, 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 July, the maximum UV index in San Juan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415131414151413119
Data source: San Juan July 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 July Weather in San Juan Compares to Other Months

Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Juan, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)36 mm (1.4 inches)77%extreme
February Weather23°C (74°F)28 mm (1.1 inches)73%extreme
March Weather25°C (77°F)28 mm (1.1 inches)71%extreme
April Weather26°C (79°F)61 mm (2.4 inches)73%extreme
May Weather26°C (79°F)177 mm (7.0 inches)77%extreme
June Weather26°C (78°F)355 mm (14.0 inches)85%extreme
July Weather25°C (77°F)534 mm (21.0 inches)86%extreme
August Weather25°C (77°F)490 mm (19.3 inches)87%extreme
September Weather25°C (77°F)377 mm (14.9 inches)87%extreme
October Weather25°C (77°F)207 mm (8.2 inches)86%extreme
November Weather25°C (77°F)106 mm (4.2 inches)89%extreme
December Weather24°C (75°F)60 mm (2.3 inches)85%very high

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