Last updated: August 27, 2025
In August, the average temperature in San Juan, Philippines peaks at a refreshing 27°C (81°F), with a minimum of 25°C (77°F) and a maximum of 30°C (86°F). However, be prepared for some rain, as the area receives approximately 143 mm (5.6 in) of precipitation spread over 22 days. With an average humidity level of 87%, you'll find the climate quite tropical—perfect for those who enjoy a warm, lush atmosphere!
In August in San Juan, the average temperature is 27°C (81°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 25°C (77°F). It's a perfect time to visit San Juan for warm and pleasant weather!
In San Juan in August, the total precipitation amount is 143 mm (5.6 in) spread over 22 days.
In San Juan in August, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.
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 | 26°C (79°F) | 186 mm (7.3 inches) | 88% | extreme |
| February Weather | 26°C (79°F) | 137 mm (5.4 inches) | 86% | extreme |
| March Weather | 26°C (80°F) | 98 mm (3.9 inches) | 84% | extreme |
| April Weather | 27°C (80°F) | 72 mm (2.8 inches) | 82% | extreme |
| May Weather | 27°C (82°F) | 184 mm (7.2 inches) | 83% | extreme |
| June Weather | 27°C (82°F) | 158 mm (6.2 inches) | 85% | extreme |
| July Weather | 27°C (81°F) | 183 mm (7.2 inches) | 86% | extreme |
| August Weather | 27°C (81°F) | 143 mm (5.6 inches) | 87% | extreme |
| September Weather | 27°C (81°F) | 190 mm (7.5 inches) | 89% | extreme |
| October Weather | 27°C (81°F) | 227 mm (9.0 inches) | 85% | extreme |
| November Weather | 27°C (81°F) | 247 mm (9.7 inches) | 87% | extreme |
| December Weather | 27°C (80°F) | 243 mm (9.5 inches) | 91% | extreme |