The weather in December in Grass Valley

Normal weather in Grass Valley in December

The weather in Grass Valley in December has an average temperature of around 11°C during the day. On average, December sees 205 mm of rain in Grass Valley. The total amount of snow in December is about 25 cm of snow. The wind speed is 3 Beaufort and mainly comes from Southeast.

After November, December in Grass Valley starts with a temperature of 13°C and ends around January at 9°C.

December averages for Grass Valley

Average temperature	11°C
Highest daytime temperature	14°C
Lowest daytime temperature	8°C
Total rainfall	205 mm
Rainy days	10 days
Total snowfall	25 cm
Snowy days	4 days

Temperature per day in December in Grass Valley

This graph shows the average daily maximum temperatures in December in Grass Valley, indicated in degrees Celsius.

Precipitation per day in December in Grass Valley

This graph shows the average daily precipitation in December in Grass Valley, indicated in millimeters.

Snowfall per day in December in Grass Valley

This graph shows the average daily snowfall in December in Grass Valley, indicated in centimeters.

UV index per day in December in Grass Valley

This graph shows the average daily UV index in December in Grass Valley.

Yearly temperature in December in Grass Valley

This graph shows the average yearly temperature in December in Grass Valley, measured in degrees Celsius, over the past years.

Yearly total precipitation in December in Grass Valley

This graph shows the average yearly precipitation in millimeters in December in Grass Valley, over the past years.

Yearly snowfall in December in Grass Valley

This graph shows the average yearly snowfall in December in Grass Valley, measured in centimeters, over the past years.