ClimateForecastDecemberJanuary >>

Grass Valley weather in December (California, United States of America)

Curious about the climate in Grass Valley this December? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

In December, Grass Valley tends to experience low temperatures and heavy rainfall. December ushers in the winter season. The temperature during the day can rise to approximately 10°C. At night, it falls to around 1°C. With moderate temperatures, December stands out as the chilliest month of the year.

Precipitation

Grass Valley in December usually receives heavy rainfall, averaging around 261 mm for the month. The month is marked by heavy rainfall, often coming down in intense bursts. Make sure to have a poncho to stay dry. Records from the past 30 years suggest that around 14 days will experience rain.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Grass Valley. May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Grass Valley climate page with graphs.

 

Grass Valley, monthly averages in December

Min TemperatureMin Temperature 1°C  
Max TemperatureMax Temperature 10°C  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 261 mm  
Rainy daysRainy days 14 days  

Where to go in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
5/10
Walking
5/10
Barbeque
2/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Grass Valley.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.