Last updated: August 27, 2025
In San Juan, Philippines, the average temperature in August hovers around 25°C (77°F), providing a pleasantly warm atmosphere. With minimums dipping to 20°C (68°F) and maximums reaching up to 31°C (89°F), there's a comfortable range for everyone. However, be prepared for moisture, as the region experiences an average precipitation of 490 mm (19.3 in) over 30 days, coupled with a high average humidity of 87%.
In August in San Juan, the average temperature is 25°C (77°F). The maximum can reach 31°C (89°F) and the minimum can be as low as 20°C (68°F). This pleasant climate makes San Juan an ideal destination for travelers seeking a comfortable outdoor experience.
In San Juan in August, the total precipitation amount is 490 mm (19.3 in) over a span of 30 days.
In San Juan in August, humidity is 87%. With an average temperature of 25°C (77°F), this humidity feels like a thick, warm blanket enveloping you, making travel a challenge as sweat clings to your skin and the air feels heavy and stifling.
In San Juan in August, 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 Juan.
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 | 23°C (74°F) | 36 mm (1.4 inches) | 77% | extreme |
| February Weather | 23°C (74°F) | 28 mm (1.1 inches) | 73% | extreme |
| March Weather | 25°C (77°F) | 28 mm (1.1 inches) | 71% | extreme |
| April Weather | 26°C (79°F) | 61 mm (2.4 inches) | 73% | extreme |
| May Weather | 26°C (79°F) | 177 mm (7.0 inches) | 77% | extreme |
| June Weather | 26°C (78°F) | 355 mm (14.0 inches) | 85% | extreme |
| July Weather | 25°C (77°F) | 534 mm (21.0 inches) | 86% | extreme |
| August Weather | 25°C (77°F) | 490 mm (19.3 inches) | 87% | extreme |
| September Weather | 25°C (77°F) | 377 mm (14.9 inches) | 87% | extreme |
| October Weather | 25°C (77°F) | 207 mm (8.2 inches) | 86% | extreme |
| November Weather | 25°C (77°F) | 106 mm (4.2 inches) | 89% | extreme |
| December Weather | 24°C (75°F) | 60 mm (2.3 inches) | 85% | very high |