Last updated: March 2, 2024
The weather in Monterey, United States, during December is characterized by an average temperature of 12°C (54°F). Highs can soar to 18°C (64°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Monterey throughout December hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Monterey averages 105 mm (4.1 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 41 minutes of daylight, with the sun shining for approximately 6 hours 47 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Monterey reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 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 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||