Weather in Boulder in December
The weather in Boulder in December is cold, when degrees are between -11 and 7 and there are 11 days of rain and 7 days of snow in average. Therefore, if you are planning a trip to Boulder in December, warm clothes and gloves are highly recommended.
Avg Temp
(-11°) - 7°
Avg Rainy Days
11
Avg Dry Days
20
Avg Snow Days
7
Weather Facts - Boulder in December
* The warmest temperature recorded in in December is 21°C
* The coldest temperature recorded in Boulder in December is (-30°C)
* The average rainfall in Boulder in December is 40 mm