Last updated: March 2, 2024
The weather in San Juan, Philippines, during December is characterized by an average temperature of 24°C (75°F). Highs can soar to 30°C (86°F), while lows may dip to 18°C (65°F). Typically, the humidity level in San Juan throughout December hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, San Juan averages 60 mm (2.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 11 hours 4 minutes of daylight, with the sun shining for approximately 8 hours 51 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in San Juan reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 5 | 7 | 9 | 9 | 8 | 6 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||