Last updated: August 27, 2025
In August, the average temperature in San Juan, Philippines reaches a warm 28°C (83°F), with a minimum of 24°C (76°F) and a maximum of 33°C (92°F). Expect 192 mm (7.6 in) of precipitation over 23 days, alongside an average humidity of 80%, creating a truly tropical atmosphere!
In August in San Juan, the average temperature is 28°C (83°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 24°C (76°F). This makes it an ideal destination for travelers looking to enjoy warm, pleasant weather.
In San Juan in August, the precipitation amount is 192 mm (7.6 in) spread over a period of 23 days.
In San Juan in August, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.
In San Juan in August, 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.
UV Risk Categories
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (80°F) | 308 mm (12.1 inches) | 86% | extreme |
| February Weather | 26°C (79°F) | 211 mm (8.3 inches) | 85% | extreme |
| March Weather | 27°C (81°F) | 166 mm (6.5 inches) | 87% | extreme |
| April Weather | 27°C (82°F) | 106 mm (4.2 inches) | 87% | extreme |
| May Weather | 28°C (83°F) | 171 mm (6.8 inches) | 82% | extreme |
| June Weather | 28°C (83°F) | 216 mm (8.5 inches) | 79% | extreme |
| July Weather | 28°C (82°F) | 225 mm (8.8 inches) | 80% | extreme |
| August Weather | 28°C (83°F) | 192 mm (7.6 inches) | 80% | extreme |
| September Weather | 28°C (82°F) | 218 mm (8.6 inches) | 83% | extreme |
| October Weather | 28°C (82°F) | 272 mm (10.7 inches) | 79% | extreme |
| November Weather | 27°C (81°F) | 231 mm (9.1 inches) | 82% | extreme |
| December Weather | 27°C (80°F) | 378 mm (14.9 inches) | 86% | extreme |