July Weather in San Juan, Philippines

Last updated: August 27, 2025

The average temperature in San Juan, Philippines during July is a warm 27°C (80°F). Expect a comfortable minimum of 24°C (76°F) and occasional peaks at 32°C (91°F). However, be prepared for substantial rainfall, with an average precipitation amount of 659 mm (25.9 in) spread over 30 days. Additionally, the air stays quite humid, with an average humidity of 83%.

July Temperature in San Juan

In July in San Juan, the average temperature is 27°C (80°F), with maximums reaching 32°C (91°F) and minimums dropping to as low as 24°C (76°F). This pleasant climate makes San Juan an ideal destination for travelers seeking warmth and sunshine during this time of year.

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 27°C (80°F), with highs reaching up to 32°C (91°F) and lows dropping to around 24°C (76°F).

Data source: Temperature data for San Juan generated using information from the Copernicus Climate Change Service.

July Precipitation in San Juan

In San Juan in July, the total precipitation amount is 659 mm (25.9 in) over the course 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 659 mm (25.9 inches) of precipitation spread over approximately 30 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in San Juan

In San Juan in July, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

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 83%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	36 mm (1.4 inches)	74%	extreme
February Weather	26°C (79°F)	27 mm (1.1 inches)	73%	extreme
March Weather	27°C (81°F)	37 mm (1.4 inches)	74%	extreme
April Weather	28°C (82°F)	52 mm (2.1 inches)	76%	extreme
May Weather	28°C (83°F)	140 mm (5.5 inches)	76%	extreme
June Weather	27°C (82°F)	419 mm (16.5 inches)	79%	extreme
July Weather	27°C (80°F)	659 mm (25.9 inches)	83%	extreme
August Weather	26°C (80°F)	680 mm (26.8 inches)	83%	extreme
September Weather	27°C (81°F)	420 mm (16.5 inches)	82%	extreme
October Weather	27°C (81°F)	243 mm (9.6 inches)	80%	extreme
November Weather	27°C (81°F)	130 mm (5.1 inches)	84%	very high
December Weather	27°C (80°F)	65 mm (2.6 inches)	81%	very high