Last updated: March 2, 2024
The weather in San Jose, Peru, during January is characterized by an average temperature of 25°C (78°F). Highs can soar to 34°C (93°F), while lows may dip to 19°C (67°F). Typically, the humidity level in San Jose throughout January hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, San Jose averages 17 mm (0.7 inches) of rainfall, typically over the course of 4 rainy days. The month enjoys an average of 12 hours 27 minutes of daylight, with the sun shining for approximately 8 hours 32 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in San Jose reaches a maximum of 14, 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 | 2 | 5 | 9 | 13 | 14 | 14 | 12 | 8 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||