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San Simeon weather in December (California, United States of America)

Is December a good time to explore San Simeon weather-wise? Find all the essential weather information for this month in our guide.

Temperatures

In December, San Simeon usually has moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 15°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 8°C. Enjoy a month of comfortably warm temperatures, despite being cooler than other months.

Precipitation

San Simeon in December usually receives high rainfall, averaging around 105 mm for the month. As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. On average, there are about 9 days with rain during this month.

Average sunshine

The city usually sees around 220 hours of sunlight, indicating many sunny days.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit San Simeon. May, June, July, August, September and October typically offer the most optimal weather. In contrast, December tends to have less optimal conditions.

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

 

San Simeon, monthly averages in December

Min TemperatureMin Temperature 8°C  
Max TemperatureMax Temperature 15°C  
Chance of RainChance of Rain 29%  
PrecipitationPrecipitation 105 mm  
Rainy daysRainy days 9 days  
SunshineSunshine 220 hours *  
Percentage SunshinePercentage Sunshine *  
Data from: Paso Robles, the United States of America (45 KM, 28 Miles).

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
Camping
3/10
Outdoor sports
9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Simeon.

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.