Last updated: March 2, 2024
The weather in San Diego, Mexico, during January is characterized by an average temperature of 13°C (55°F). Highs can soar to 25°C (77°F), while lows may dip to 5°C (41°F). Typically, the humidity level in San Diego throughout January hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, San Diego averages 88 mm (3.5 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 7 hours 11 minutes each day. Additionally, there is a 34% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in San Diego reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 0 | 1 | 2 | 5 | 7 | 9 | 9 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||