December Weather in Truckee

Last updated: March 2, 2024

The weather in Truckee, United States, during December is characterized by an average temperature of -1°C (31°F). Highs can soar to 10°C (51°F), while lows may dip to -10°C (14°F). Typically, the humidity level in Truckee throughout December hovers around 83%.

-10°C (14°F)

Minimum temperature

-1°C (31°F)

Average temperature

10°C (51°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In December, Truckee averages 169 mm (6.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 25 minutes of daylight, with the sun shining for approximately 6 hours 11 minutes each day. Additionally, there is a 32% probability of sunny days during this period.

169 mm (6.6 inches)

Precipitation

11 rainy days

Rainy days

6 hours 11 minutes

Sunshine hours

32%

Chance of sun

UV Index

In December, the UV Index in Truckee 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 1 2 3 3 3 2 1 1 0 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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