Last updated: March 2, 2024
The weather in San Jose, Peru, during December is characterized by an average temperature of 17°C (63°F). Highs can soar to 25°C (78°F), while lows may dip to 11°C (52°F). Typically, the humidity level in San Jose throughout December hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, San Jose averages 247 mm (9.7 inches) of rainfall, typically over the course of 27 rainy days. The month enjoys an average of 12 hours 27 minutes of daylight, with the sun shining for approximately 10 hours 4 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in San Jose reaches a maximum of 16, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 | 3 | 7 | 11 | 14 | 16 | 15 | 12 | 8 | 4 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||